Chapter 12, Lesson 1 - Describing Earth's Atmosphere

Chapter 12 - Earth's Atmosphere

Lesson 1 - Describing Earth's Atmosphere

Turn To Pages 408-414 In The Orange Book

It's vocabulary time!

Multiple Choice

Review time! Earth's atmosphere is:

• Earth's entire solid body.

• All water on and in Earth.

• The layer of gases surrounding Earth.

• All life on Earth.

• An ion is formed when an atom, or molecule, becomes electrically charged

• They can be either positive or negative

What is An Ion?

Multiple Choice

What is the electric charge on an electron?

• Positive

• Negative

Multiple Choice

If an atom lost an electron, it would become:

• Positive

• Negative

Multiple Choice

If an atom gained an electron, it would become:

• Positive

• Negative

​"Other Gases" include:

• Argon!

• Water Vapor!

• Ozone!

​

Gases in The Atmosphere