EXAM 2025
A chemical reaction involves - Precise Answer ✔✔Both the release and absorption of energy
Which of the following is an example of an element? - Precise Answer ✔✔Carbon
Atoms of the same element that differ in the number of neutrons are called? - Precise Answer
✔✔Isotopes
The lowest temperature in Celsius degree is - Precise Answer ✔✔approximately 273 degrees below zero
Which force is related to the concentration of a bungee cord? - Precise Answer ✔✔elastic
Power is calculated by the following formula: Power=Force x Distance
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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? - Precise Answer ✔✔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 -
Precise Answer ✔✔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? - Precise Answer ✔✔convex lens
The speed of light is - Precise Answer ✔✔The same as the speed of X-Ray
,Static electricity is formed by the transfer from one object to another by the - Precise Answer
✔✔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? - Precise Answer ✔✔Series
A force exerted by a magnetic field on the current in a wire acts in the direction - Precise Answer
✔✔perpendicular to the direction of the current and magnetic field
The heat transfer process of conduction is defined as the - Precise Answer ✔✔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 -
Precise Answer ✔✔Continental drifts
Fossils of seashells formed along a mountain ridge most likely indicate that: - Precise Answer ✔✔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? - Precise Answer ✔✔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: -
Precise Answer ✔✔Metamorphic
In general compared to the air surrounding it, the temperature of a high pressure system is - Precise
Answer ✔✔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 - Precise Answer ✔✔D
, The color of a star is determined by - Precise Answer ✔✔Temperature
Conducting certain kinds of scientific research on the growth of crystals is facilitated on orbiting space
station because the - Precise Answer ✔✔objects are relatively weightless
The earths ocean tides are directly related to: - Precise Answer ✔✔The Moon
A crystal is considered non-living organism because - Precise Answer ✔✔It does not respond to stimuli
A sexually transmitted disease in humans that is caused by a bacterium is - Precise Answer
✔✔Gonorrhea
Production of energy in cells occurs primarily in the - Precise Answer ✔✔Mitochondria
Which part of the reproduction process is more appropriate to include in a 3rd grade cirriculum? -
Precise Answer ✔✔Pollination
The life cycle of a butterfly is an example of? - Precise Answer ✔✔Complete Metamorphosis
In the process of mitosis, chromosomes are doubled and lined up during - Precise Answer ✔✔Interphase
In most eco-systems, bacteria and fungi play an important role as - Precise Answer ✔✔decomposers
A cause of the increasing volume of UV rays from the sun in recent years is - Precise Answer ✔✔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. - Precise Answer
✔✔Avoidance