Layers of the Atmosphere

Contains the Ozone Layer.

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

• All of the above.

Where ALL weather takes place.

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

• All of the above.

Located CLOSEST to Earth's surface.

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

• All of the above.

Meteors burn up in this layer.

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

• All of the above.

Hottest layer, thinnest air.

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

• All of the above.

Greatest air pressure because it has the most molecules.

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

• All of the above.

Auroras and Northern Lights occur here.

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

• All of the above.

78% of the Earth's atmosphere is ___________ and 21% of the Earth's atmosphere is _____________.

• Oxygen, Nitrogen

• Nitrogen, Oxygen

• Nitrogen, Carbon Dioxide

• Oxygen, Carbon Dioxide

As altitude increases, air pressure....

• Increases

• Decreases

• Stays the same

• Goes up and down

Why is the ozone layer vital to life on Earth?

• Planes fly in the ozone layer

• It is made up of oxygen (O₂)

• It shields the Earth from ultraviolet (UV) rays from the sun

• It causes clouds to be created