Atmosphere

Where a severe thinning of the ozone layer was discovered by scientists

Carbon dioxide levels

CFCs

Gas molecules that were discovered to be destructive to

the ozone layer.

Chlorine

The element in the CFC molecule that breaks down and the destroys thousands of ozone molecules in the stratosphere

Climate

Deforestation

Earth’s axis tilt

What causes the seasons on Earth (along with the orbit around the sun)

Global warming

The concern that the earth is getting warmer due to human activities such as burning of fossil fuels that release carbon dioxide

Greenhouse gases

Gases that trap the sun’s energy within our atmosphere, causing the earth to warm up:

1. methane,
2. carbon dioxide,
3. nitrogen oxides,
4. fluorinated gases (CFCs)

Humidity

The measurement of how much water vapor is in the air; a factor that defines weather and climate

Nitrogen

Highest percentage gas in our atmosphere

Oxygen

• The 2^nd most abundant gas in our atmosphere
• essential to the survival of life for breathing purposes

Radiation energy

Form of energy from the sun that affects the water cycle by warming sea water into water vapor (clouds)

Stratosphere

Part of Earth’s atmosphere that contains the OZONE layer.

The 2^nd layer of the five.

These Spheres

Mask The Earth

A phrase to help remember the five layers of atmosphere in the correct order:

Troposphere, Stratosphere,

Mesosphere, Thermosphere, Exosphere

Troposphere

UV radiation

Weather