Energy and Energy Transformations

The ability to cause change is a definition of

• force

• energy

• motion

• friction

A baseball in motion has _______ energy

• sound

• kinetic

• radiant

• potential

Potential energy can be gravitational, elastic, or

• sound

• radiant

• chemical

• mechanical

A battery transforms chemical energy into _______ energy.

• thermal

• chemical

• electrical

• mechanical

A radio uses radiant energy by transforming it into

• sound energy

• kinetic energy

• electrical energy

• gravitational energy

Which describes a student doing work?

• studying for a test

• pushing against an unmoving wall

• standing still holding a heavy book bag

• lifting a piece of paper from the floor to a desk

_______ energy moves from warmer objects to cooler objects.

• thermal

• work

• mass

• mechanical

When you lift a box of books, you are doing ________ on the box.

• thermal

• work

• mass

• mechanical

The more ______ a moving object has, the more kinetic energy it has.

• thermal

• work

• mass

• mechanical

When an object’s potential and kinetic energy changes, its _________

energy changes.

• thermal

• work

• mass

• mechanical