Front

What happens to water as it freezes?

Back

Heat energy is lost and it expands to a solid.

Front

Which is the best description of solid?

Back

The particles are compact making it hard.

Front

When heat is added to ice, what is the first change it goes through?

Back

It will melt into water.

Front

What happens to the particles in a substance when heat is applied?

Back

They speed up.

Front

Why does an ice cube feel cold when we hold it?

Back

Heat moves from our hands into the ice cube.

Front

What is heat?

Back

Heat is a form of energy that is transferred between objects due to a temperature difference.

Front

What is the process of melting?

Back

Melting is the process where a solid turns into a liquid when heat is added.

Front

What is freezing?

Back

Freezing is the process where a liquid turns into a solid when heat is removed.

Front

What is condensation?

Back

Condensation is the process where a gas turns into a liquid when it cools down.

Front

What is evaporation?

Back

Evaporation is the process where a liquid turns into a gas when heat is added.