Energy Review

What form of energy is in a battery?

• chemical energy

• light energy

• kinetic energy

• electrical energy

Which has the least amount of potential energy?

• a marble at the top of a hill

• a roller coaster going down a hill

• a girl at the top of a slide

• a car parked in the garage

Which are forms of kinetic energy?

• light, sound, chemical

• electrical, chemical, sound

• sound, potential, thermal

• light, thermal, sound

What form of energy can be absorbed, reflected or bent by different materials?

• sound

• electrical

• light

• mechanical

What form of energy does a light bulb give off?

• light energy and thermal energy

• light energy and sound energy

• light energy and electrical energy

• light energy and chemical energy

Which statements about energy are true? Select all that apply.

• Energy is the ability to cause changes to matter.

• Energy can only be transferred when one object pushes or pulls on another.

• Energy can be transferred from objects that touch as well as through empty space.

• An object moving at high speed has more energy than the same object moving slowly.

• An object moving at high speed has the same amount of energy than the same object moving slowly.

Which of these has mechanical energy?

• natural gas

• a tightened spring

• a book on a shelf

• sound waves from a guitar

When a soccer player kicks a ball, they transfer energy to the ball. What happens as a result?

• The ball loses chemical energy.

• The kinetic energy of the ball increases.

• The player loses potential energy.

• The payer gains mechanical energy.

Which is NOT an example of energy causing motion?

• picking up a book

• holding a book

• placing a book on a shelf

• placing a book on the floor

Tom put a straw in a glass of water. Part of the straw was in the water, and part of it was above the water. Why did the straw look bent?

• The straw looks bent because of reflection.

• The straw looks bent because of refraction.

• The straw looks bent because of energy.