Energy Quiz Review

As molecular motion increases, the space between molecules __________.

• increases

• decreases

• remains the same

Heating a substance __________ molecular motion.

• increases

• decreases

• stops

Which cart has the least kinetic energy?

• Cart (a)

• Cart (b)

• Cart (c)

How should you represent the speed of molecules in a diagram?

• By using circles with motion lines.

• By changing the shape of the molecules.

• By adding numbers to each molecule.

Which cart has the most kinetic energy?

• Cart (a)

• Cart (b)

• Cart (c)

The motion of molecules _________ when temperature is increased.

• Increases
• Decreases

Which cart has the least potential energy?

• Cart (a)

• Cart (b)

• Cart (c)

Cooling a substance __________ molecular motion.

• decreases

• increases

• stops

As molecular motion decreases, the space between molecules __________.

• decreases

• increases

• remains the same

Which cart has the most potential energy?

• Cart (a)

• Cart (b)

• Cart (c)

• None of the above