Physical or Chemical Change/Phases 2024

Front

What is plasma?

Back

Plasma is considered a fourth state of matter, consisting of a gas with electrically charged particles.

Front

What is the freezing point of water?

Back

The freezing point of water is 0°C.

Front

What type of change occurs when boiling water?

Back

Boiling water is a physical change.

Front

What happens to a liquid when it loses heat?

Back

A liquid becomes a solid when there is less heat.

Front

What type of change occurs when water decomposes into hydrogen and oxygen?

Back

The decomposition of water into hydrogen and oxygen is a chemical change.

Front

Define 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.

Front

Define a chemical change.

Back

A chemical change is a change that results in the formation of new chemical substances.

Front

What is an example of a physical change?

Back

An example of a physical change is melting ice.

Front

What is an example of a chemical change?

Back

An example of a chemical change is rust forming on iron.

Front

What happens during condensation?

Back

During condensation, a gas loses heat and changes into a liquid.