4.P.3 Energy

Which form of energy would most likely cause an iron object to move quickly?

• heat

• light

• sound

• magnetic

Which form of energy would be produced when energy from a battery is transferred to a buzzer?

• heat

• light

• sound

• wind

How does a battery cause a radio to work?

• by heating the radio

• by producing the sound from the radio

• by making the radio become a magnet

• by causing electricity to flow through the radio

What kinds of energy does a lightbulb produce?

• light and heat

• sound and heat

• light and magnetic

• sound and magnetic

When an object has a green color, what happens to the green light that strikes the object?

• It is refracted and the eyes see the green color

• It is reflected and the eyes see the green color

• It is absorbed and the eyes see the green color

• It passes through and the eyes see the green color

Why does a straw appear to bend in a glass of water?

• light is absorbed by the water in the glass

• light is refracted by the water in the glass

• light is reflected by the water in the glass

Which best describes the way in which a light wave travels until it strikes an object?

• It travels in a straight line

• It travels in a circular motion

• It travels up and down then in a circle

What happens when light comes in contact with a black sheet of paper?

• most of the light is refracted

• most of the light is absorbed

• most of the light is transmitted

• most of the light changes direction

What do we call the thing that something travels through? Like sound traveling through air or light traveling through water?

• energy

• circuit

• medium

True or false: Energy cannot change from one type to another.

• True

• False