End Of Course Review #3 Question Preview (ID: 28584)
This Is A Partial End Of Course Review For The 7th Grade. (Most Questions Related To Energy Movement).
TEACHERS: click here for quick copy question ID numbers.
____ is the energy of motion.
a) Kinetic energy
b) Potential
c)
d)
Heat energy moving in a current is called
a) convection
b) conduction
c)
d)
Molecules move fastest and are farthest apart in a
a) liquid
b) gas
c) solid
d)
Molecules move slowest in a
a) liquid
b) gas
c) solid
d)
The temperature at which a liquid turns into a gas is called its
a) boiling point
b) melting point
c) freezing point
d)
Adding heat to a substance makes it
a) contract (get more compact or smaller)
b) expand (get bigger)
c)
d)
Temperature is the average kinetic energy of the molecules in a substance.
a) true
b) false
c)
d)
Heat energy moving between two touching objects is called...
a) convection
b) conduction
c)
d)
The temperature at which a liquid turns into a solid is called its
a) boiling point
b) melting point
c) freezing point
d)
When ice melts it is an _____ reaction.
a) endothermic
b) exothermic
c)
d)
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