Sources of Energy

Which of the following is a natural source of heat?

• sun

• stove

• electricity

Which of the following is an artificial source of light?

• flashlight

• lightning

• algae

Which of the sources of sound is used for entertainment?

• animal

• musical instruments

• vehicle

Fill in the blank.

The _____________ is a natural source of heat and a natural source of light

• sun

• star

• sound

Fill in the blank.

A/An __________ is an example of an emergency vehicle that gives out a warning sound.

• tractor

• airplane

• ambulance

Which of the following activities requires light?

• meditation

• reading at night

• cooking

Listening to music at a loud volume is very pleasant.

• true

• false

Using kitchen pot holders or kitchen mittens will help protect our hands from burns.

• true

• false

Which of the following is not a proper way to use sources of heat, light, and sound?

• leaving the light bulb on even if no one is using it

• talking softly with anyone

• fireman using protective gears when handling fire

It is the ability to do work.

• Sound

• Energy

• Light