Changes in Matter

Front

What is a change in matter?

Back

A change in matter refers to a transformation that occurs when a substance alters its physical or chemical properties.

Front

What happens to liquid water when it boils?

Back

It changes state from liquid to gas.

Front

What is evaporation?

Back

Evaporation is the process by which liquid water turns into water vapor, usually due to heat.

Front

What is condensation?

Back

Condensation is the process where water vapor cools and changes back into liquid water.

Front

What is the melting point?

Back

The melting point is the temperature at which a solid turns into a liquid.

Front

What is freezing?

Back

Freezing is the process where a liquid turns into a solid when its temperature decreases.

Front

What happens to candle wax when heated?

Back

Candle wax changes from solid to liquid as its temperature increases.

Front

What is decaying?

Back

Decaying is the process of organic matter breaking down into simpler substances, often due to microorganisms.

Front

What is the boiling point of water?

Back

The boiling point of water is 100°C (212°F) at standard atmospheric pressure.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.