Front

What is heat energy?

Back

Heat energy is a form of energy that is transferred between objects due to a temperature difference. It moves from warmer objects to cooler ones.

Front

How does heat travel?

Back

Heat travels from warmer objects to cooler objects.

Front

What happens to temperature when the oven is on?

Back

The temperature increases when the oven is on.

Front

What can you do to melt ice faster in a drink?

Back

You can put the glass under a lamp to increase the temperature and melt the ice faster.

Front

What is friction?

Back

Friction is a force that opposes motion when two surfaces rub against each other.

Front

What causes friction?

Back

Friction is caused by two objects rubbing together.

Front

Which action creates the most heat through friction?

Back

Rubbing your bare hands together many times in a row creates the most heat.

Front

What is an example of heat transfer?

Back

An example of heat transfer is when you touch a hot stove and feel the heat on your hand.

Front

What happens to ice when heat is applied?

Back

When heat is applied to ice, it melts and turns into water.

Front

What is the effect of temperature on the state of matter?

Back

Increasing temperature can change solids to liquids (melting) and liquids to gases (evaporation).