Physical and Chemical Changes

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What are the three states of matter?

Back

Solid, Liquid, Gas.

Front

Which state of matter has a definite shape?

Back

Solid.

Front

Which state of matter has a definite volume but takes the shape of its container?

Back

Liquid.

Front

Which state of matter has no definite shape or volume?

Back

Gas.

Front

What is a physical change?

Back

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

Front

Can you give an example of a physical change?

Back

Melting ice into water.

Front

What is a chemical change?

Back

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

Front

Can you give an example of a chemical change?

Back

Burning wood.

Front

What happens to the molecules in a solid?

Back

They are closely packed together and vibrate in place.