Energy Transfer/Transformations

A light bulb transforms electricity into ___ and ___.

• light

  sound

• sound

  heat

• heat

  light

• light

  motion

The ability to cause change in matter is ___.

• a circuit

• motion

• transfer

• energy

Heat energy transfers easily between objects that are ____.

• the same size

• the same kind

• touching

• not touching

Sound waves transfer _____________ from one place to another.

• electricity

• vibrations

• motion

• energy

Light energy is a type of wave energy sensed by the __________.

• nose

• ears

• mouth

• eyes

Mrs. Kerry is drinking hot coffee. Which describes the direction of heat flow?

• from the coffee to the cup

• from the cup to the coffee

• from her hand to the coffee cup

• from the coffee to the microwave

A waiter places an ice cube in a cup of coffee. Which of these describes how the heat travels?

• from the coffee to the ice until it boils

• from the ice cube to the coffee until it freezes

• from the ice cube to the coffee until they both evaporate

• from the coffee to the ice cube until they become the same temperature

A baker is getting a sheet of biscuits out of the oven. He places an oven mitt on his hand. What does wearing the oven mitt do?

• transfers the heat energy

• keeps his hand insulated

• conducts heat energy to his hand

• decreases the amount of energy in the pan