Inv 3.1 Air Around us

Front

What is the layer of air in which weather changes take place?

Back

Troposphere

Front

What can be said about air when a medicine dropper and a doctor's syringe are used?

Back

Air can be compressed.

Front

What is the highest layer of air where jet airplanes fly?

Back

Stratosphere

Front

What do we know about air because it has mass?

Back

Air is matter.

Front

What is the main component of air, making up about 78% of it?

Back

Nitrogen.

Front

What is the term for the mixture of gases that makes up the air?

Back

Atmosphere.

Front

What gas do plants need for photosynthesis that is found in the air?

Back

Oxygen.

Front

What is the term for the weight of air pressing down on us?

Back

Air pressure.

Front

What happens to air pressure as you go higher in the atmosphere?

Back

Air pressure decreases.

Front

What is the layer of the atmosphere above the troposphere?

Back

Stratosphere.