Atmospheric Gases

Gases of the Earth's Atmosphere

Nitrogen, Oxygen, and Water Vapor

Poll

Have you ever heard the word atmosphere before?

• yes

• no

Weather occurs in the TROPOSHERE.

Poll

What is the atmosphere?

• A ball

• A layer of gases around the Earth that allow us to breath and live.

• A taco

• Gasoline like for your car

The atmosphere makes it possible for humans to live on Earth.

Multiple Select

Why does the atmosphere matter? Select all that apply.

• It makes tacos and Mrs. Eastman said so.

• It traps light energy (sunlight) and keeps the planet warm.

• It helps trap atmospheric gases we need to breathe.

• It protects the planet from radiation and space.

Weather is the observable conditions in the atmosphere.

Multiple Choice

In what level of the atmosphere does weather occur?

• hydrosphere

• lithosphere

• mesosphere

• troposphere

Multiple Choice

REVIEW QUESTION: What is weather?

• Weather is the same as climate.

• Weather is tacos.

• Weather is just a green screen.

• Weather is the observable conditions in the atmosphere (the sky and clouds).

What is a gas?

Gases are air-like substances that can move around freely or they might flow to fit a container. They don't have a shape either. You could put your hand through gases and you wouldn't feel a thing.

Multiple Choice

What is an example of a gas?

• water vapor

• rain

• milk

• ice

Multiple Choice

What is the most abundant gas in the Earth's atmosphere?

• argon

• nitrogen

• oxygen

• water vapor

Multiple Choice

What is the least abundant gas in the Earth's atmosphere?

• nitrogen

• water

• water vapor

• oxygen

Multiple Choice

Which TWO gases are most abundant in Earth's atmosphere?

• oxygen and water vapor

• water vapor and nitrogen

• nitrogen and oxygen