Heat Sources

Heat is produced when wheels roll on the ground. This is an example of which heat source?

• Electricity

• Burning or Fire

• Light

• Friction

Which of the following is NOT one of the three main ways that heat is produced?

• electricity

• fire or burning

• hot water

• rubbing or friction

Which of the following heat sources is a rapid production of light, heat, and flames?

• electricity

• burning or fire

• rubbing or friction

We get a lot of heat on Earth from the sun.

• true

• false

Which of the following is an example of how fire can produce heat?

• burning a campfire

• using a microwave

• baking with an oven

• striking a match

Rubbing objects in a back and forth motion, causing heat, is known as _____________.

• electricity

• friction

• burning

• none of the above

Which of the following is an example of friction?

• burning a candle

• using a toaster

• taking a hot shower

• rubbing your hands together

The movement of magnetically charged particles is known as ______________.

• heat

• fire or burning

• friction

• electricity

Items that are plugged in or use batteries can produce heat by electricity.

• true

• false

Which of the following is an example of electricity as a heat source?

• burning wood in a fireplace

• striking a match

• using an oven

• burning coal for a grill