Heat energy_grade 3

Water becomes heated and turns into a gas called?

• solids

• water vapor

• it melts

• rain

Ice will _________ when it gets hot enough. It will change from a solid into a liquid.

• freeze

• melt

• stay the same

When water is heated, it changes into a gas. What is this called? (boils, insulates, evaporation)

Choose the main source of heat on Earth

• sun

• moon

• table

• kettle

Thermal energy (choose 2)

• is the energy that makes particles move

• potential energy

• not important

• hot objects has more thermal energy than cold objects

Heat travels through matter.

• true

• false

Heat is the flow of energy

• false

• true

Where does the heat come from when we rub our hands together?

• dancing

• friction

• playing soccer

The sun is an example of

• kinetic energy

• electrical energy

• heat energy

We do not need the Sun to live on Earth.

• true

• false