Physical Science

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded together.

Front

What is a filter used for in science?

Back

A filter is used to separate solid particles from liquids or gases.

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances.

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.

Front

What happens to particles when heat is added?

Back

When heat is added, particles gain energy, vibrate faster, and may change state (e.g., solid to liquid).

Front

What is the melting point?

Back

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

Front

What is the freezing point?

Back

The freezing point is the temperature at which a liquid becomes a solid.

Front

What is boiling?

Back

Boiling is the process where a liquid turns into vapor when it reaches its boiling point.

Front

What is an example of a physical change?

Back

Mixing lemon juice, sugar, and water to make lemonade is an example of a physical change.

Front

What is an example of a chemical change?

Back

Milk spoiling is an example of a chemical change.