Atmosphere
Seasons
Ozone
Climate Change
100

The average weather conditions in an area over a long period of time.

What is climate?

100

Zero degrees latitude is also known as this.

What is the equator?

100

The ozone layer is found in this layer of the atmosphere.

What is the stratosphere?

100

The average global temperature of Earth has done this during the 20th century.

What is increased?

200

This is the warm phase pf the southern oscillation

What is El Nino?

200

Near the equator day and night last about this many hours.

What is 12?

200

This is a chemical that rapidly destroys ozone.

What are CFCs?

200

The burning of these is a major contribution to greenhouse gases in the atmosphere.

What are fossil fuels?

300

This will result when moist warm air rises.

What is rain?
300

Seasons result because of this.

What is the tilt of the Earth's axis?

300

In 1987 this was signed by many nations, agreeing to limit CFC production.

What is the Montreal Protocol?

300

This would be a major consequence of the melting of the polar ice caps.

What is global rise in sea level?

400

Winds that blow predominantly in one direction through the year are called this.

What are prevailing winds?

400

At higher latitudes sunlight hits the Earth at this type of angle which spreads the light over a larger area.

What is oblique angle?

400

This is what ozone protects the Earth from.

What is the Sun's UV light?

400

The process of the Earth absorbing heat and preventing it from escaping into space is called this.

What is the greenhouse gas effect?

500

Cold air will do this because it is denser than warm air.

What is sink?

500

This is the season experienced in Australia in December.

What is summer?

500

This is how long CFCs remain active in the stratosphere.

What is 60-120 years?

500

What is the international treaty not signed by the U.S. that most developed nations signed to limit CO2 production.

What is the Kyoto Protocol?

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