Energy Flashcard Review

Front

Which cart has the most potential energy?

Back

Cart (a)

Front

Which cart has the most kinetic energy?

Back

Cart (c)

Front

Which cart has the least kinetic energy?

Back

Cart (a)

Front

Which cart has the least potential energy?

Back

Cart (c)

Front

What happens to the movement of molecules when they are heated?

Back

They move faster and spread apart.

Front

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

Back

By using circles with motion lines.

Front

Heating a substance __________ molecular motion.

Back

increases

Front

As molecular motion increases, the space between molecules __________.

Back

increases

Front

Cooling a substance __________ molecular motion.

Back

decreases

Front

As molecular motion decreases, the space between molecules __________.

Back

decreases