Air Grade 2

Front

What does a sailor use air for?

Back

To move the sailboat.

Front

What is fresh air?

Back

Air that is clean and not polluted.

Front

How do we use air to breathe?

Back

We inhale air into our lungs to get oxygen.

Front

What do we need to fill a balloon?

Back

Air.

Front

What can a girl do to keep the air clean?

Back

Planting trees.

Front

What is air made of?

Back

A mixture of gases, mainly nitrogen and oxygen.

Front

Why is air important for living things?

Back

It provides oxygen for breathing.

Front

What happens to a balloon when you blow air into it?

Back

It expands and gets bigger.

Front

What do plants do with air?

Back

They take in carbon dioxide and release oxygen.

Front

What is the condition of air called when it is dirty?

Back

Polluted air.