At most... fear!

We need the natural greenhouse effect for Earth to be habitable.

• TRUE

• FALSE

A mixture of gases that surrounds the Earth.

• Hydrosphere

• Atmosphere

• Lithosphere

• Biosphere

Which layers of atmosphere have decreasing temperature as the altitude increases?

• Stratosphere and Mesosphere

• Troposphere and Mesosphere

• Troposphere and Stratosphere

• Thermosphere and Exosphere

Which phenomenon can only be seen in the thermosphere?

• Ozone Layer

• Aurora borealis

• Typhoon

• Tornado

Which of the following sets of evidence supports global warming?

• Glacier mass decreasing

• Sea Levels rising

• CO2 levels rising

• All of the above

How is the altitude related to the temperature of each layer of atmosphere?

• As the altitude increases the temperature increases.

• As the altitude increases the temperature decreases.

• As the altitude increases the temperature does not change.

• As the altitude increases the temperature varies.

The gradual increase in the temperature of the atmosphere is known as ______.

• Methane

• CFCs

• Greenhouse Effect

• Global Warming

What happens to temperature as you go higher in the troposphere?

• It stays the same

• It gets hotter

• It gets colder

• It is always changing

Which will likely result from excessive cutting down of trees?

• Providing more pure water

• Cause greenhouse effect

• Providing more fresh oxygen

• Cause increase in the rain

Why does the atmosphere help sustain and protect life on the Earth's surface?

• The ozone layer shields us from harmful UV radiation.

• Greenhouse gases warm the air near the surface by 30° C.

• Oxygen is a major component of the atmosphere.

• All of the above.