Unit 6: Energy

Unit 6: Energy

LB pgs. 80 - 92

Multiple Choice

"The ability to make things happen" is the definition of what word?

• energy transfer

• energy

• movement

• generator

Multiple Choice

Energy is measured in:

• kilograms

• kilojoules

• kilowatts

• kilometres

Multiple Select

Electrical energy can be transformed into other forms of energy such as ​ _______________. You may tick more than one answer.

• heat

• light

• motion

• Sun

Multiple Choice

After you turned on the blow dryer, what forms of energy occured?

• movement and light

• heat and light

• heat and sound

• sound and movement

Multiple Choice

A radio uses electrical energy and transforms it into sound energy.

• True

• False

Multiple Choice

Jane washed her hair. She dried it with warm air from a blow dryer before going to school. Which statement BEST explains why the blow dryer was able to dry Sandra’s hair quickly?

• The blow dryer used electricity.

• The blow dryer created sound waves.

• The blow dryer transferred heat.

• The blow dryer used mechanical energy.

Multiple Choice

Batteries store energy as ______ energy.

• chemical

• motion

• electrical

• solar

Multiple Select

Why do we need to have food even when we sleep? You may tick more than one answer.

• to sleep more

• to breathe

• for our heatbeat

Multiple Choice

We get our energy from _______________.

• sleeping

• food

• breathing

• talking

Multiple Choice

A toaster oven converts electrical energy to ______ in order to toast bread.

• motion

• light

• sound

• heat

Multiple Choice

Tick an example of wasted energy.

• warm air from a blow dryer

• a candle lighting a room

• a light bulb getting hot

Fill in the Blanks

Continue the sentence: Energy cannot be

or destroyed.

Multiple Choice

Complete the following energy transfer sentence: Energy starts from the candle wax and is transferred to the _____________ by heat.

• air

• surroundings

• room

Multiple Choice

When a child plays the drum, energy starts from the child's body and is transferred to the drum by ______________.

• heat

• light

• movement

• electricity

Multiple Choice

Fire heating saucepan: The energy starts from the fuel (wood). It is transferred to saucepan by ____________.

• light

• heat

• movement

• electricity