Phase Changes

Front

What is a gas?

Back

A state of matter that does not have a visible shape and can expand to fill its container.

Front

What is kinetic energy?

Back

The energy an object has because it is moving.

Front

What is temperature?

Back

A measure of how hot or cold something is.

Front

What is a solid?

Back

A state of matter that keeps its shape because its molecules only move in place, not around each other.

Front

What is a liquid?

Back

A state of matter that flows and can take the shape of its container.

Front

What happens during melting?

Back

The process where a solid turns into a liquid when it absorbs heat.

Front

What happens during freezing?

Back

The process where a liquid turns into a solid when it loses heat.

Front

What is evaporation?

Back

The process where a liquid turns into a gas when it gains heat.

Front

What is condensation?

Back

The process where a gas turns into a liquid when it loses heat.

Front

What is sublimation?

Back

The process where a solid turns directly into a gas without becoming a liquid first.