Matter

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What is a solid?

Back

A state of matter that has a definite shape and occupies a definite amount of space.

Front

What is a liquid?

Back

A state of matter that has no definite shape but occupies a definite amount of space.

Front

What is a gas?

Back

A state of matter that does not have its own shape and fills the space it is in.

Front

What is an irreversible change?

Back

A change that forms a new substance and cannot be undone, like burning paper.

Front

What is a reversible change?

Back

A change that can be undone, like freezing and melting water.

Front

Can you give an example of a solid?

Back

Ice, a rock, or a book.

Front

Can you give an example of a liquid?

Back

Water, juice, or milk.

Front

Can you give an example of a gas?

Back

Air, steam, or helium.

Front

What happens when you heat a solid?

Back

It can change into a liquid.