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Which of the following best describes energy that is produced by vibrations and
travels only through a medium?
• A.Gravitational potential
• B.Light
• C.Sound
• D.Heat
C
Which of the following organisms has a body consisting of a head, a thorax, and
an abdomen?
• A.Starfish
• B.Fly
• C.Centipede
• D.Shark
B
For a population of organisms that is neither growing nor declining in size, which
of the following are most likely to be equal?
• A.The birth rate and death rate
• B.The number of herbivores and number of carnivores
• C.The number of organisms in the youngest age class and number in the oldest
age class
• D.The number of plant species and number of animal species
A
To an observer on Earth, it appears as if the Sun orbits Earth once each day.
Which of the following is responsible for the misconception?
• A.Earth's smaller size
, • B.Earth's rotation
• C.Earth's tilt on its axis
D.Earth's orbit
B
A person comparing the volume of 1 kilogram of feathers with the volume of 1
kilogram of gold would observe that the
• A.1 kilogram of gold has a smaller volume
• B.1 kilogram of feathers has a smaller volume
• C.feather and the gold have equal volumes
• D.volume of the gold varies with pressure
B
What is density?
mass per unit volume- the degree of compactness
What is the "inquiry" method as it relates to science?
students are able to explore possible solutions through experiments
states of matter
solid, liquid, gas
Which of the following actions would be most effective in directly decreasing the
impact of the greenhouse effect on the environment?
• A.Using taller smokestacks
• B.Reducing the use of fossil fuels
• C.Adding lime to acidified lakes
• D.Developing drought-resistant crops
B
Bobby and Jasmine are kindergarten students who are playing at the water
station. Jasmine fills a cup with water, lifts it up, and turns it over. She says,
"Look, Bobby, I'm making rain!" Bobby replies, "I can make rain too." He then
picks up the plastic watering can and pours the water into the water station.
Which of the following instructional activities will best support the students'
development of inquiry skills?
• A.Reading a story about rain and discussing the characters in the story with the