Understanding Heat Energy

Front

What is heat energy?

Back

Heat energy is a form of energy that is transferred between objects due to a temperature difference. It makes things warmer.

Front

What happens when two objects rub against each other?

Back

When two objects rub against each other, they create friction, which produces heat energy.

Front

True or False: More friction means more heat energy is produced.

Back

True

Front

What is friction?

Back

Friction is the resistance that one surface or object encounters when moving over another.

Front

Why do bike tires feel warm after riding?

Back

Bike tires feel warm after riding because of the friction created between the tires and the road.

Front

What is a source of heat energy?

Back

A source of heat energy is something that produces heat, like the sun, a stove, or friction.

Front

What can you ask to find out if friction creates heat?

Back

You can ask, 'Do objects feel warmer if you rub them together?'

Front

What makes sandpaper create more heat than a cloth?

Back

Sandpaper creates more heat because it is rough and creates more friction.

Front

Why do ice cubes melt in the sun?

Back

Ice cubes melt in the sun because sunlight is a source of heat energy.

Front

What is an example of heat energy in everyday life?

Back

An example of heat energy is when you touch a hot stove and feel the heat.