FTCE: Subject Area K-6: Science Questions and Answers Already Passed

FTCE: Subject Area K-6: Science Questions and Answers Already Passed A chemical reaction involves Both the release and absorption of energy Which of the following is an example of an element? Carbon Atoms of the same element that differ in the number of neutrons are called? Isotopes The lowest temperature in Celsius degree is approximately 273 degrees below zero Which force is related to the concentration of a bungee cord? elastic Power is calculated by the following formula: Power=Force x Distance ----------- Time Two trucks engines (engine A, engine B) transport equal loads the same distance, Engine A transports the load in one hour while engine B requires two hours, Which is correct? engine A has twice the power of engine B The apparent change in frequency when the sound source approaches an observer is referred to as Doppler effect Which of the following is produced by virtual image upright and smaller than the actual object viewed but is unable to form a real picture? convex lens The speed of light is The same as the speed of X-Ray Static electricity is formed by the transfer from one object to another by the Electrons When a bulb burns out in an electronic circuit all of the other bulbs also go out. This is an example of what type of circuit? Series A force exerted by a magnetic field on the current in a wire acts in the direction perpendicular to the direction of the current and magnetic field The heat transfer process of conduction is defined as the transfer of energy from atom to atom in a substance through collusion Traces of galleries in certain parts of Asia, Africa, India, Australia, and Antarctica support the theory of Continental drifts Fossils of seashells formed along a mountain ridge most likely indicate that: This portion of the earths crust was once part of the ocean flow and move as a result of crustal plate movement Using the map bellow, what is the approximate latitude and longitude of Miami? 26 Degrees North, 80 Degrees West Pre-existing rock that is transformed by the high heat and/or extreme pressure into new rock is called: Metamorphic In general compared to the air surrounding it, the temperature of a high pressure system is Warmer Which soil sample on the table below will produce aquifer with the highest water quality? Soil Sample: A, B, C, D Time (in min) to permeate: 2 6 10 42 D The color of a star is determined by Temperature Conducting certain kinds of scientific research on the growth of crystals is facilitated on orbiting space station because the objects are relatively weightless The earths ocean tides are directly related to: The Moon A crystal is considered non-living organism because It does not respond to stimuli A sexually transmitted disease in humans that is caused by a bacterium is Gonorrhea Production of energy in cells occurs primarily in the Mitochondria Which part of the reproduction process is more appropriate to include in a 3rd grade cirriculum? Pollination The life cycle of a butterfly is an example of? Complete Metamorphosis In the process of mitosis, chromosomes are doubled and lined up during Interphase In most eco-systems, bacteria and fungi play an important role as decomposers A cause of the increasing volume of UV rays from the sun in recent years is Break down of ozone in the stratosphere by chemicals released on earth Viceroy, King and Monarchs resemble each other. Although the monarch is the only one poisonous, most birds avoid all three species. This represents which type of adaptations for the birds. Avoidance Which of the following will reduce the use of solid waste land use? Making a compost pile What process is used to group chemicals according to their physical properties? Observing Determine the mass that is showing on the scale below? 182.5 Grams A 3rd grade teacher is exploring the concept of control and variable in a Science experiment. The class decides to grow plants as a part of this unit. Which set of variables is the most realistic to control in the classroom? Light, Soil, Water Which device will best measure the pull of gravity on a rock? Gravimeter Which is a safe storage technique? store no chemical above eye level The instrument that could be used both to guide satellites and to provide accurate measurements is the laser Given assignment of using the computer to prepare a list of geographical locations, where can one find examples of fossilized substances? Perform a search using one of the internet search engines A science fair project has generated extensive numerical data. Which kind of computer software program would keep track of the figures and help work out all the calculations? electronic spreadsheet software A 5th grader will document changes in their schools environment for a year. The most manageable tool for the students to document these changes will be Charts and graphs Some media centers are capable of conducting face to face meetings by using Teleconferencing Which of the following software copying practices is legal (absent a side license)? Distributing copies to departmental faculties Which of the following is an examples of compound? salt Atoms of a given element that differ in number of neutrons are called Isotopes The measurement used to determine the warmness or coldness of a body is called? Temperature Which type of simple machine is used when a screw driver is used to open a gallon of paint Lever The purpose of a convex lens in the eye piece of a reflecting telescope is to converge the light rays so that they will be directed to the eye At some junk yards, a large metal disk suspended from a crane is used to hoist an entire automobile. This disk combines the power of magnetism with Electricity Hawaiian Islands are examples of Island Building occurring over a hot spot in a plate Thunder showers usually accompany the arrival of what kind of front? Cold A way to reduce run off on land is to increase: Plant Vegetation Which is the best way for a second grade teacher to help students understand what causes day and night? Get a globe, a piece of clay, and a light source. Stick the clay on the city where the students live, and rotate the globe while holding the light still. Have the student determine which position in the rotation represents day or night for the piece of clay Many antibodies that are beneficial for humans are produced By molds During plant growth unit, students place one group of plants in the sun and another group of plants in the dark. This experiment demonstrates Photosynthesis Which of the following represents the flow of blood flow from the left ventricle to the right atrium? Aorta, Arteries, Capillaries, Veins, Vena CAva Coral reefs near Florida's shore line and other areas of the world are threatened by pollution and many are said to be in danger of extinction. What process is occurring? Coral reefs need cooler water temperatures. Because of pollution, the temperature of the ocean is rising, endangering the habitats necessary for the coral reef polyps to reproduce. Why is recycling aluminum desirable? Less energy is required by recycling aluminum than producing aluminum from ore. What instrument detects radioactivity? Geiger counter Which of the statements below appropriately describes their conditions of science and/or technology in our society today I. Science has had both positive and negative influence on societal decision II. Moral and ethical beliefs of individuals determine the way in which science is applied III. The controversy over controlling or not controlling what phase of Science to study has been settled IV. Advances in Science and technology have made it unnecessary to cub human population growth I and II Teachers from several schools around the state would like to meet after school once a month to education issues. Which mechanism would be most effective in stimulating interest and simultaneously providing immediate response to each other? Web Page A second-grade student receives an interactive computer game that helped her dramatically improve her mathematics skills and understanding. For a teacher to ethically incorporate these games into lessons for all his students, he should: Purchase a side license for his class so that the game can be loaded on several computers for all students to use. i Which of the following describes the mass of an electron? It is equal to the mass of a proton A second grade teacher wants to know the principle of invisible energy. What materials will she need? Magnet and Iron fillings If a vibrating cord anchored at each end is shortened in length with tension remaining constant one would notice an apparent Pitch Increase Which of the following is generally associated with causing common sun burns? ultraviolet rays A power plant uses heat to generate electricity. The heat is produced by fission on 28 grams of uranium ore which is equal to 60 metirc tons of coal. The main form of energy used in the power plant to generate electricity is Nuclear Energy Fossil remains of a certain species found in Africa and South America in deep layers of bed rock would indicate that the rock is of similar age Marble, Serpentine, and Schist are examples of which kind of rock? Igneous Rock In the hydrologic circle, which of the following events occurs in the process of transpiration? water is released into the air How does the sun compare with the average star? Higher in temperature and in luminosity Waning moon is-as it appears to? becoming smaller An activity considered necessary for continuation of an organism's life is Reproduction What is the function of the mitochondria? release of energy In the human brain, which of the following is closely associated with motor control? Frontal lobe and cerebellum Atmospheric ozone depletion by fluorocarbons would Allow more ultraviolet radiation to reach the surface of the eath What microorganism produces the "red tide" in Florida's gulf waters? Dinoflagellates Mark and Tricia conducted a project in their physical science class. They recorded the temperature of container of water each minute for 5 minutes. Their recordings are shown below with time and corresponding temperature: 1 minute: 20*C, 2 minutes: 24*C, 3 minutes: 27*C, 4 minutes: 31*C, and 5 minutes: ___*C? 34 A first grade teacher is planning a classification activity with a variety of un shield nuts. According to Jean Piaget's theory of intellectual development, which of the following directions to the students would be most appropriate? Group all the nuts that are identical together A teacher is giving state adapted instructional materials that include knowledge of activities using chemicals. Which of the following is the right assumption of the teacher? The chemicals are appropriate for the grade level for which the instructional materials are used A teacher must compile information on each of his students, such as phone numbers, addresses, parent, special courses, and exceptionalities. Which of the following could be most efficiently used to record this information, story it over time, and make changes and updates? Spread sheet What advantage can peer drill programs have over expert practice activities? Identifying and reinforcing weak areas In chordates, the structure which transport oxygen to cells are Red Blood cells The surface of a concave mirror is curved inward An iron bar placed inside a curved coil of wire to increase the magnetic field intensity produces Electro-magnet A major occurrence of in the 1st state of the process of cellular respiration of carbohydrates as it occurs in higher organisms is Oxygen Production Planets appear brighter than the starts because planets are closer to the earth than stars are Which portion of the electromagnetic spectrum is invisible to the human eye and had the longest ware length? UV Which of the following is the most common agent of erosion in Florida today? Waves Which of the following provide for keyword use in internet information retrevial? search engine A student performed the following experiment I. Measure the temperature of 100mL of water II. Add 3 glasses of baking soda and stir for 10 seconds. III. Measure the temperature of the water again. The students collected the following data: Beginning Temp: 30 Ending Temp: 25 Which of the following is the interference that could be drawn from the experiment? A chemical reaction took place Air movement in which warm, less dense air raises and cooler, denser air replaces it are called Conventional currents Which portion of the atom has the greatest density ? The nucleus What is a drawback of to the frequent use of a computer drill program? Students would not have to learn to read instruction What is the length of the block to the nearest 10th of a centimeter? 4.6 After a light bulb is placed in the center of a 3rd grade classroom, Ms. Smith slowly circles the room with a globe. She is most likely demonstrating which experiment Rotation Several bulbs are lit in an electric circuit. One bulb is removes and all the light bulbs go out. What type of circuit is this? series A research project involves gathering information on living and extinct primates. As the information becomes more complicated they type of organizational soft-wane needed is Data based software The discovery of giant boulders that are different from bedrock in which they rest has been used to demonstrate the presence of which type of geological function Glaciations Many municipalities prohibit disposal of batteries in trash what would be burned in the land field because Some of the battery acids and heavy metals may seep through the soil and contaminate the ground water supply Two objects with opposite electrostatic charges will: attract one another Which of the following correctly shows the flow of drop of blood in the circulatory system of high animals? Inferior vena cava to right atrium to right ventricle One a steep sided, cone shaped mountain, a hiker pauses and inspects the surrounding rocks. The rocks are all dark gray to black and composed of large rough crystals Igneous Rock An example of a compound machine is a: can opener Which of the following tools would be most appropriate to use for demonstration to students that sound moves at different speeds through different media? Tuning fork Which of the following plant reproductive process is most appropriate to teach in a 3rd grade curriculum? Pollination Which graph would a student use to display data that shows how one variable changes in response to another variable? Line graph Plants reproduce with seeds. Mosses and Ferns do not. They reproduced by which of the following? Spores In the carbon cycle, carbon is returned to the atmosphere by Respiration in living things Sulfur dioxide and thus acid rain, is produced when which substance is burned in air? Fossil Fuels Students are trying to find the volume of an irregular shaped rock using the displacement method. Which of the following tools would the students use? Graduated Cylinder During a review of the rock cycle in a 4th grade inclusion class, the teacher creates heterogeneous cooperative learning groups. Each student has a responsibility in the group based on the students ability. Which approach to learning is this teacher most likely implementing in her classroom to create equality for all students to learn as they explore the rock cycle? Inclusion A 5th grade teacher purchases some approved household chemicals for her science classroom. The teacher also obtained technical information on the chemicals from the material safety information data sheet (MSDS) chemical supply company. Which of the following ways of maintaining the information related to the chemicals (MSDS) is most appropriate? Storing them in a locked filing cabinet in the classroom What advantage can a computer drill program have over textbook practice activities? Identifying and reinforcing wear areas A 3rd grade class is starting a unit on Earth and space science. the teacher poses the following discussion question to the students as a formative assessment. "Why do you think it is light outside during the day, but dark at night?" The students discuss possible answers with the teacher in whole group formant. Which of the following topics will the teacher most likely address in this unit? Earth rotates on its axis Because gifted and talented students may move quickly through the planned learning experience teachers provide for their class, the challenge is to keep them growing and blossoming. In what way could a teacher extend and enrich their science activities? Conference with the gifted students, identify enrichment readings and activities for them to work on and establish a schedule of follow-up conferences A 2nd grade teacher invites a 5th grade class to present a lesson on the properties of metals. After the presentation students from both classes engaged in a discussion about the presentation. Materials from the presentation are left in the science center for the 2nd grade class to observe and explore. All of the following are reasons the 2nd grade teacher chose this strategy to present the lesson EXCEPT Assessing prior knowledge The following data are collected on experiment using a stream Slope of Land Amount of Soil Deposited 0 cm 2g 10 cm 9g 20 cm 27g 30 cm 41g Which graph below accurately presents these data? Graph A A company wanted to determine the effectiveness of it antiseptic gargle. It had 100 people examined. Then for 1 year, each person checked in monthly and was checked for any sore or inflamed throats. At the end of the year, the total number inflamed throats were tallied. For the next year, each of the dame 100 people was to gargle each day with the company's antiseptic gargle. Each person was checked monthly. The total number of inflamed throat at the end of the second year was 21% fewer than the number at the end of the first year. Of the following, which is the major flaw in the design of this study? There is no control group In a mineral identification lab, which of the following is an observation? The mineral did not bubble when HCI was dropped on it An individual made the following statement after seeing a candle with a black wick. "This candle has been burned." This statement is an example of which of the following scientific process? Observing An experiment was set up to determine if the color of a pan containing water affects the temperature of the water when the pan is placed in the sun. Water was added to four pans that were painted different colors. The pans were covered with plain glass lids and placed in the sun at the same time, in the same spot for 15 minutes. The temperature of the water in each pan was then measured using a pre-calibrated thermometer. "Which of the following factors would affect the outcome of this experiment and must be controlled?" The amount of water in each pan Which of the following activities would support development of 1st grade students' skills in both science and mathematics? Sorting a collection of seeds based on size, shape, and color A 4th grade teacher with a class that includes students with disabilities and students who are gifted provides Life Science materials for research. The materials include book and websites of varying levels from 2nd grade to 9th grade. Then the teacher provides a menu of tiered assignments for students to school from including challenge projects. Which modification is this teacher providing in science to ensure all students' needs are met? Extending and Enriching Which of the following are attitudes associated with scientific thought and practice of science? Open-mindedness What would be the most appropriate scale for a teacher to use to measure the temperature of a classroom in a metric unit? Celsius A class recorded data during an investigation, an investigation on reaction time. they tested their reaction by havng a partner hold a ruler just above their fingers at 0 centimeters. When the ruler was dropped, they caught it between their fingers and recorded the measurement where their thumb landed. They used the measurement as an indicator of time. What is a conclusion that be reached based on this data? The Graph Shows: Reaction Data-Distance in Centimeters Trial 2 and Trial 3 data indicate students measurements decreased during testing Which of the following is an example of a change in only the physical properties of matter? Boiling of water Which of the following characteristics applies only to a gas? The ability for molecular motion Water molecules are constantly leaving and entering a body of water. If more molecules are entering the body of water than are learning the body of water. This process is called? Condensation When salt is placed in water, it gradually dissolves. However, when the water is tasted, salt is still detected. This is an example of a Solution What is the difference between the potential energy and the kinetic energy of the .... Potential energy is the result of the objects position and kinetic energy is the result of the objects motion The amplitude of a wave determines the Loudness A student vigorously shakes a jar containing half a cup of vinegar and a cup of vegetable oil. Which of the following best describes what is then contained in this jar? Homogeneous mixture A group of students tested the effectiveness of different soaps by treating agar in petri dishes with "dirty" hands before washing and "clean" hands after washing. The students covered each dish and sealed them with tape. They then places the petri dishes in a warm location. Within a couple of days the students observed bacterial growth on the surface of the agar. Which of the following is the most appropriate way for the students to continue observing their bacterial culture? Maintaining the seal on the lids and letting students observe individually A 5th grade science teacher is conducting a thematic unit on cells. To gauge students' understanding of different types of cells in a project-based format. What type of software should the teacher have the students use? Simulation A 5th grade teacher is planning to teach a unit on socially controversial science topic. Which of the following actions would be the most appropriate for the teacher to take prior to teaching the unit? Telling the students that they can opt out of the science unit A science class is studying factors that affect the number of full swings a pendulum makes in 30 seconds. The data that this class collected are summarized in the following table. What generalization can the class make based on this data? Effect of Pendulum Length on Number of Swings Length of Pendulum (centimeters) # of full swing in 30 seconds 15 40 25 30 35 25 45 20 The longest pendulum completes the lowest number of full swing Several students are experimenting with paper airplanes. Which of the following statements reflects the scientific process of classification? Some airplanes fly farther than others A student wants to find the relationship between fertilizer use and plant growth. She plants four Ivy plants and four Violet plants as a control. She adds 50mL of fertilizer to each violet plant once a week for 3 weeks and records all plant growth each week. She finds that the ivy plants grow more each week. She concludes that fertilizer does not really make plants grow faster. What is wrong with the students experiment? The plants should be placed in different locations Children have been making and playing with toy parachutes. they think that varying the size of the parachutes will affect its falling rate. They test this idea by building that are identical in every way except size. Then they released them at the same time from the same height. After repeated trials, they concluded that the size of the parachute did make a difference. Why did the students use repeated trials? To increase the probability that their hypothesis was supported Which of the following is an appropriate affective objective for teaching students in the primary grades? The students will demonstrate curiosity about the natural world What tool would one use to measure mass? Balance The data shows the predicted weather for Saturday: The weather will be cloudy Which of the following is a true statement regarding gravity? objects in deep space are not affected by gravity There are many causes that can break rocks into smaller pieces. One of these causes is ice. What is the most common way that ice can break rocks into smaller pieces Water in a crack expands as it freezes. When the moon is waning, it appears to be Becoming smaller Space exploration has brought about cooperation between scientist from Russia and the United States. A tangible example of this cooperation would be the International Space Station Which of the following sequences accurately shows the flor of a drop of blood in the circulatory system of higher animals? Inferior vena cava to right atrium to right ventricle The sun looks bigger than any other star becuase It is the closest star to Earth The use of conservation methods in transportation includes the increased use of fuel efficient vehicles and electric cars. What nonrenewable natural resource is being conserved with use of these vehicles? Petroleum In an experiment designed to study the relationship between the weight and the age of white mice, the data listed below were collected. the table contains the average weight of one group of mice through the twentieth day after birth. Days after Birth Average weight in Grams 5 15 6 19 8 38 10 53 13 87 20 107 Other factors include in the experiment design were: -Parents of the white mice -Temperature of room -Amount of water provided daily -Amount of food provided daily Which variable is the dependent/responding variable? Average weight in grams Which of the following is an example of a STEM discipline? Bio Chemistry In general, which of the properties listed below is a characteristic of both liquids and solids? Fixed Volume There are ethical limits on the introduction of new technology such as procedures for testing new medicines. Which of the following is a modern requirement for companies to test new medicines on human subjects? Getting informed consent from a patient before testing the new medicine Which of the following subatomic particles is negatively charged? Electron What is pored onto a warm sidewalk. Immediately after the water disappeared, the students place their hands on the sidewalk where the water had been and then place their hands on the sidewalk that was not wet. What will the students discover? Process of evaporation has cooled they previously wet sidewalk Which unit of an element displays that characteristic properties of that element? Atom A bob in a pendulum swings back and forth. As the bob begins to swing down from the horizontal level, which of the following statements is true Potential energy is changed to kinetic energy In sound, loudness is to amplitude as pitch is to Frequency Cold water is poured into a bowl that is warmer than the water. What will be the final temperature of the water and the final temperature of the bowl? The temperature of the water will increase and the temperature of the bowl will decrease Which of the following configurations does this diagram show? Two batteries in series, two light bulbs in parrallel Which of the following formulas correctly shows an objects speed? Distance/time= speed Which of the following is a type of sedimentary rock? Sandstone Soil is made up of organic and inorganic substances. Which of the following is an inorganic substance found in soil? Weathered rocks and minerals How does energy from the sun travel to earth? Radiation A layer of permeable soil, rocks, or sediment that contains water and allows the water to move in and out is called a(n) Aquifer Days are warmer during the summer months in the norther hemisphere. This is because the tilt of the Earth causes the Sun's ray to shine At a slant to the northern hemisphere and the hours of daylight are longer in summer Transpiration, evaporation, condensation, precipitation, runoff, and infiltration are terms associated with what process? Hydrologic cycle Increased funding for science education by the National Science Foundation occurred as a direct result of which of the following space events? The Russians putting satellite Sputnik into orbit Which elements are more prevalent in living things? Carbon, hydrogen, and nitrogen The activities of a eukaryote cell are controlled by the Nucleus What part of the cell controls the cell's activities? Nucleus A function of the cell membrane is to Help control the movement of materials into and out of a cell Which of the following has an open circulatory system? Clams One way that scientist classify organisms it to group them into kingdoms. Which of the following is the Linnaean classification system of kingdoms? Animals, Plants, Fungi, Protists, Bacteria Students are asked to respond to the following question during a unit of study in the science class. Given the great advances in modern medicine, why is there no vaccine to prevent the common cold? Which of the following responses would be the most scientifically accurate to this question? There is no vaccine because the common cold can be caused by different viruses, and it is impossible to protect against all of them Viceroy, king, and monarch butterflies resemble each other. Although only the monarch is poisonous, most birds avoid all three species. This represents which of the following types of adaptation by the butterflies? Mimicry Athlete's foot and ringworm are infectious diseases that affect the human body. Which types of pathogens cause these diseases? Fungai Darwin's theory of evolution rests on the idea that reproductive success in a species is Random, resulting in gradual increase of positive variations in a species Darwin reasoned that natural selection resulted in the increase of favorable traits and the decrease of unfavorable traits in future generations Which of the following is a by-product of photosynthesis? Oxygen What is it called when plants grow toward the light? Phototropsim A 4th grade class is learning about the life cycle of the following plants. Which of the following is a best practice to learn about the reproductive organs? Students will construct a flowering plant from construction paper and document where the reproductive organs are How do ferns and mosses reproduce? From spores Which of the following activities would be the most appropriate for teaching the concept of special relationship between the planets of the solar system? Studying a list of planets and their distance from the sun What would be the best practice to teach students what animal a barn own consumes? Students will research about barn owls in teams Students A is struggling to understand the 4th grade concept of force and motion. The teacher pairs student A with student B who understands the concept. Together the students work in the science center to complete a guided activity incorporating various materials. Which of the following best supports the teachers use of this strategy? Identify common misconceptions of student A Which of the following activities would support the development of 1st grade students in both science and mathematics? Sorting a collection of seeds based on size, shape and color A kindergarten teacher has students with disabilities in his classroom daily during his science lesson and lab. Which of the following is the most appropriate to provide to ensure all students experience success? Hands-on learning A 1st grade student drew the following concept map during a search for living things outside on the school grounds. Based on this data, what should the teacher reteach to this student to ensure mastery on the concept of animals classification? (Insert Diagram) Characteristics of mammals and reptiles Which of the following types of computer software would be the most useful for helping students understand how hurricanes form? Simulation Before conducting an experiment on dissolving sugar in water, the following statement is made "The greater the volume of water, the more sugar will be dissolved." This state is a(n) Hypothesis Which of the following types of telescopes use lenses to form the primary image? Refration A group of 5th grade students designed an experiment to determine the effect of fertilizer on plant growth. They obtained ten small pots and placed equal amounts of potting soil in each pot. They planted seeds in each pot and placed the pots in the same sunny area. Each day they watered the plants with an equal amount of water. They also added equal amounts of fertilizer to the plants. Each week they measured the height of the plants. After four weeks, the plants had grown an average of 6 inches and the students concluded that the fertilizer had a positive effect on plant growth. Which of the following would best improve the students' experiment so that their conclusions are plausible and valid? Adding a control group Why are geologists important to the safety of transportation systems such as tunnels and bridges? They analyze information about soil and rock layers underneath the building site Which of the following processes represents a chemical change? Iron rusting Which of the following form will water be in at a temperature of 10*C? Liquid Floating a paper clip on top of water is the result of the surface tension of the water. What would be another example of the surface tension? Water generating drops Which is an example of potential energy? A rock perched at the top of the hill Materials that do not conduct electric current easily are clalled? Insulators The boundaries of the crustal plates Are not the same as the boundaries of the major oceans On a steep-sided, cone-shaped mountain, a hiker pauses to inspect the surrounding rocks. The rocks are all dark gray to black in color and composed of large, rough crystals. The hiker should conclude that these rocks are Igneous There are different types of soil at different levels of Earth surface. Which of the following is the correct order for fertile soil layers, from the closest to the surface to the deepest? Topsoil, subsoil, sock A family heads to the beach on a calm sunny afternoon. When they arrive, they are surprised to feel a strong onshore breeze. Which of the following best explains why this family is feeling the blowing from the sea? Convection currents caused by unequal heating of land and water Moist air being forced to rise up over a mountain will likely Cool and condense Which of the following models is currently used to depict our solar system Heliocentric Where is the mood in relation to the Earth and the Sun during the full moon phase? The Moon is on the opposite side of the Earth from the Sun Many scientific advances from NASA are used every day to benefit the population as a whole. A prime example of his would be Tracking expired hardware that is still in space According to the cell theory, Where do all cells come from? Other cells Carbohydrates are important in an animal cell because they Provide energy for the cell Which of the following systems enables movement of the body? Muscular Nuclear energy is considered a clean producer of electricity since nuclear reactors do not add pollutants to the air. However, another concern related to pollution is that a nuclear reactor Produces poisonous radioactive wastes The original source of energy for the food cycle in living things is Solar What animal goes through incomplete metamorphisis? Grasshopper Which of the following approaches implies that the use of a variety of activities in the classroom promotes students making sense of the world and developing scientific concepts? Divergent thinking Look at the two graduated cylinders. Diagram A (7.5) shows the water level in the cylinder before the object was added. Diagram B (22.7) shows the water level in the cylinder after the water was added. 15mL Which device would best measure the pull of gravity on a rock? Spring Scale Consider breeds of dogs. What is the relationship between breed and species? Not all breeds are members of the same species A teacher has designed five science learning centers for this class. The names of the learning centers are as follows: -Parts of a plant -Animal Cell Structure -Plant Cell Structure -Human Body Organs -Human Body Systems Based on this unit of study, which of the following summative assessments would be the most appropriate to assess students mastery? What are similarities and differences between plant and animal structures? A student performed an investigation to find out what kind of surface absorbs the most radiant energy. The student obtained two identical shiny metal cans and blackened one with candle soot. The student filled the cans with water, inserted a thermometer in each, and used a gooseneck lamp to light the side of each can. The student measured the temperature in each can at quarter-hour intervals. What was the manipulated variable in this experiment? Type of surface on each can Which of the following devices would be most appropriate to measure an....in grams? Spring Scale A substance that can be separated into its component parts by physical means is called a(n) Mixture A movement in which warm, less dense air rises and cooler, denser air replaces it is called Convection currents Moist air being forced to rise up over a mountain will likely Cool and condense After a lightbulb is placed in the center of a 3rd grade classroom, a teacher slowly goes around the room with a globe. The teacher is most likely demonstrating which Earth phenomenon? Revolving Which of the following best describes the International Space Station? A habitable artificial satellite orbiting the Earth Which of the following is the basic unit of structure for all organisms? Cell An unmanned robot vehicle that can take photographs of the distant planets and their moons also gather data about their soils and atmosphere is called A space probe Which meteorological tool detect invisible radiation? Infrared Camera A scientist wanted to find out if temperature has as effect on the growth of bacteria. The scientist grew bacteria in nine petri dishes with the same amount and type of food. Three petri dishes were kept at 0*C, three were kept at 20*C, and three were kept at 90*C. The growth of the bacteria was recorded after four days. What was the manipulated variable? Temperature of the petri dishes Stephen Hawking is an English physicist, whose scientist theories have been widely publicized. Which of the following of his theories would be considered the most culturally sensitive? Origin of the universe An object is determined to have a mass of 300 grams. If its displaces 50 cubic centimeters when places in water, the density is 6gm/cm^3 A roller coaster car climbs up a steep hill, pauses briefly at the summit and then rapidly descends the first drop to the base. Where on the roller coaster does the coaster car possess the largest quantity of potential energy? At the summit The movement of negatively charges particles through a substance is an example of which type of energy? Electrical Which of the warmest temperature? 100*C Which of the following items is an electrical insulator? A wooden chair Which of the following best describes what happens when visible solar radiation reaches earth? Some of it is absorbed and some is reflected back to space When the northern hemisphere experiences winter, it is because the northern hemisphere.... Tilts away from the Sun Compared to the Earth, Jupiter Has lower density In which of the following types of cells would one find cholorplasts? Leaf Deer fawns are protected from prediction by which of the following adaptations? Odor A Punnett square allows one to demonstrate the relationship between dominant and recessive alleles. What is true is an offspring shows the recessive trait? The offspring carries two recessive alleles Alligators, once considered endangered in Florida are no longer considered at risk of extinction. Which of the following steps was most significant in increasing the alligators' breeding population? Limiting the number that could be hunted The stem of a green-leafed plant is most likely to grow toward A light source Which of the following skills will support 1st grade students skills in science and math? Sorting a collection of seeds based on size, shape, and color A fifth grade science teacher is conducting a thematic unit on cells to access students understanding of different types of cells in a project-based format. What type of software should the teacher have the students use? simulation software You put water and vinegar in a bottle and shake it. What type of mixture is this? Homogenous What happens when you pour cold water inside a warm bowl? The temperature of the water will increase and the temperature of the bowl will decrease Increase in funding Science education in the US occurred as a result of what? The Russians putting satellite Sputnik into orbit