The Air Around Us
Arcana Herron

1.True or False? Carbon dioxide makes up 1% of air alone.

2.True or False? Water vapor is not the same as steam.

3.True or False?Carbon dioxide is essential to life.

4.True or False?Nitrogen may form ozone when it interacts with lightning.

5. True or False?Oxygen molecules in the ozone have 3 oxygen particles.

6. How much of the air is made of nitrogen?

7.How much of the air is oxygen?

8.What particles does air contain?

9.What role does water vapor play in Earth's weather?

10.How does the atmosphere make Earth's conditions suitable for living things?

answers for questions 1-5

• False
• True
• True
• False
• True

answer to question 6.
78%

answer to question 7.
21%

answer to question 8.
air contains smoke, dust, salt, and other chemicals.

answer to question 9.

answer to question 10.

• keeps the temp. warm
• keeps water in a liquid form
• protects Earth from most meteroids and radioactivity from the sun

The condition of Earth's atmosphere at a particular time and place.

Weather

The envelope of gases that surrounds the Earth.

The Atmosphere

a form of oxygen that has three oxygen atoms each molecule instead of the usual two.

Ozone

Water in the form of a gas.

Water Vapor