Sources of Heat

The biggest heat source for our planet is the ______________.

• moon

• star

• planet

• sun

_________________________ objects in a fire can produce heat.

• Freezing

• Burning

• Moving

• Rubbing

What is the meaning of temperature?

• The size of shadow.

• The amount of water in a container.

• The measure of how cold or hot something is.

• How loud or soft a sound is.

What tool can be used to measure how hot or cold something is?

• thermometer

• stove

• lamp

• guitar

How does heat travel?

• Heats travels from the high place to the low place.

• Heat moves from a cold place to a hot place.

• Heat travels in a straight line.

• Heat moves from gas to solid.

You are sitting next to a campfire and it is too hot. How can you cool down?

• Sit closer to the fire.

• Move away from the fire.

• Stay where you are.

• Rubbing our hands so you feel warmer.

Which of the following is NOT the sources of heat?

• sun

• stove

• flashlight

• candle

See the picture.

The burning ________gives us heat.

• light

• candle

• firewood

• wood

______ comes from the sun.

• Sound

• Water

• Heat

• Pitch

If you live in a cold climate it is important to stay warm. What is one way you could stay warm?

• Turn the heater down.

• Turn on the air conditioner.

• Wear shorts and blouse.

• Wear a heavy coat.