7th Sci Ch 13 Energy Practice Question Preview (ID: 6406)


Practice For The 7th Grade Science Ch 13 Energy Test. TEACHERS: click here for quick copy question ID numbers.

a form of energy that is due to the motion of an object with mass
a) potential energy
b) none of these
c) radiant energy
d) electrical energy

The two factors that affect thermal energy are
a) • volume, temperature
b) • speed, volume
c) • mass, speed
d) • mass, temperature

• In a generator, ___ energy is turned into ___ energy.
a) • electrical, thermal
b) • none of these
c) • kinetic, electrical
d) • thermal, kinetic

• a form of energy that is released when the centers of atoms are broken or combined
a) • kinetic
b) • chemical
c) • nuclear
d) • none of these

• a form of energy that is caused by the motion of electrons in a current
a) • kinetic
b) • electrical
c) • thermal
d) • none of these

• The law of ___ states that energy cannot be created or destroyed; it simply changes forms.
a) • conservation of momentum
b) • conservation of energy
c) • conservation of matter
d) • conservation of mass

• Which of the following is an example of potential energy becoming kinetic energy?
a) • a raindrop speeds up as it falls from the sky
b) • a bowl of soup heats up in the microwave
c) • a black T-shirt gets warm in the sun
d) • none of these

• a form of energy that is due to an object’s ability to fall because of gravity
a) • radiant
b) • kinetic
c) • potential
d) • none of these

• Which of the following objects has the most kinetic energy?
a) • a 10Kg ball rolling 15m/s
b) • an 8Kg ball rolling 15m/s
c) • a 10Kg ball rolling 12m/s
d) • an 8Kg ball rolling 12m/s

• Which of the following objects has the least potential energy?
a) • a 35Kg ball suspended 10m off the ground
b) • a 35Kg ball suspended 15m off the ground
c) • a 25Kg ball suspended 15m off the ground
d) • a 25Kg ball suspended 10m off the ground

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