Science Practice Test Template Page 2
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4Name: ______________________
ID: A
____ 12. As the volume of a fixed amount of gas at constant temperature decreases, its pressure
a.
decreases.
b.
stays the same.
c.
increases.
d.
Insufficient data to answer question
____ 13. According to the kinetic theory of matter, which of the following statements is true about matter?
a.
The atoms and molecules of a substance are always in motion.
b.
The higher the temperature of a substance, the faster its particles move.
c.
More massive particles move more slowly than less massive particles.
d.
All of the above
____ 14. All matter is made of atoms and molecules that are
a.
always fixed in position.
c.
moving in the same direction.
b.
always in motion.
d.
moving slowly.
____ 15. The process of a solid changing directly into a gas is called
a.
condensation.
c.
freezing.
b.
evaporation.
d.
sublimation.
____ 16. According to the law of conservation of mass,
a.
mass is lost only in chemical changes.
b.
mass is lost only in physical changes.
c.
total mass stays the same in changes of state.
d.
only energy is lost in changes of state.
____ 17. According to the law of conservation of energy
a.
energy is not absorbed or released in changes of state.
b.
energy is not transferred during changes of state.
c.
energy is not created or destroyed in changes of state.
d.
a substance has the same energy before and after a change of state.
____ 18. When ice melts to form liquid, energy is
a.
created.
c.
released.
b.
destroyed.
d.
absorbed.
____ 19. The temperature at which a substance changes from a liquid to a solid is the
a.
freezing point.
c.
boiling point.
b.
saturation point.
d.
condensation point.
____ 20. A substance changes from a liquid to a gas during evaporation because
a.
energy is lost.
c.
energy is created.
b.
energy is released.
d.
energy is absorbed.
____ 21. What happens to the particles of a substance when it condenses?
a.
Particles speed up and spread out.
b.
Particles slow down and clump together.
c.
Particles stick together and stop moving.
d.
Particles vibrate as they lose energy.
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