Molecules Question Preview (ID: 957)


Molecules Of The Move Unit.

Which is not a state of matter?
a) Solid
b) Gas
c) Energy
d) Liquid

Which state of matter do the molecules move the fastest?
a) Solid
b) None of the above
c) Gas
d) Liquid

What is physical change?
a) A change in the form, but not in substance.
b) One or more substances break apart or combine to form the same substance.
c) One or more substances break apart or combine to form a new substance.
d) A change in the substance, but not in form.

What is chemical change?
a) A change in the form, but not in substance.
b) One or more substances break apart or combine to form the same substance.
c) One or more substances break apart or combine to form a new substance.
d) A change in the substance, but not in form.

Which is not a way heat energy can be transferred?
a) Conduction
b) Radiation
c) Convection
d) Distillation

What is expansion?
a) Subtracting heat energy to a substance, which causes the molecules to move more quickly and causes the substance to expand.
b) When a substance adds heat energy, the molecules slow down, and the substance contracts.
c) When a substance loses heat energy, the molecules slow down, and the substance contracts.
d) Adding heat energy to a substance, which causes the molecules to move more quickly and causes the substance to expand.

What is contraction?
a) Subtracting heat energy to a substance, which causes the molecules to move more quickly and causes the substance to expand.
b) When a substance adds heat energy, the molecules slow down, and the substance contracts.
c) When a substance loses heat energy, the molecules slow down, and the substance contracts.
d) Adding heat energy to a substance, which causes the molecules to move more quickly and causes the substance to expand.

Name the four phases of change.
a) Freezing, condensation, expansion, and boiling
b) Freezing, condensation, melting, and boiling
c) Freezing, condensation, melting, and contraction
d) Freezing, evaporation, melting, and boiling

What are the solid, liquid and gas forms of water?
a) Ice, water, and lakes
b) Steam, water, and water vapor
c) Ice, water, and water vapor
d) Ice, popsicle, and water vapor

Define distillation.
a) Distillation is the evaporation and subsequent collection of a liquid by condesation as a means of purification.
b) Radiation is energy given off by something.
c) Distillation is particles moving and taking their heat with them.
d) Distillation is warmer particles passing some of their warmth onto cooler particles.

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