Natural Causes for Climate Change

100^oC

50⁰C

10⁰C

5⁰C

The Sun and Moon tugging on Earth, causing the Earth to "wobble" as it rotates around on its axis.

The formation of Central America that resulted in a separation in ocean currents between the Pacific Ocean and the Atlantic Ocean.

Both of the previous

None of the previous

About 100 years ago

About 1,000 years ago

About 10,000 years ago

About 100,000 years ago

Grand Canyon

Niagara Falls

The Blue Ridge Mountains

Mount Saint Helens

A change in rain amounts due to a high pressure system setting in and remaining.

A change in rain amounts due to a low pressure system setting in and remaining.

A shift in wind patterns and ocean surface currents that affect weather patterns across the globe.

East to West

North to South

South to North

West to East

Eastern side

Western side

Northern side

Southern side

Cool, nutrient rich waters rising to the surface to replace warm water that is pushed away by the wind.

Warm, nutrient rich waters rising to the surface to replace cold water that is pushed away by the wind.

Cold air rises on the western and warm air sinks on the eastern side of the Pacific Ocean.

Warm air rises on the western and cold air sinks on the eastern side of the Pacific Ocean.

Warm air rises on the eastern and cold air sinks on the western side of the Pacific Ocean.

They reverse directions

They grow weaker

The grow stronger

All of the above

Drought

Wildfires

Flooding

Hurricanes

Flooding

Hurricanes

Drought

Snow

Less hurricanes

Less drought

Less hurricanes

Less wildfires

Volcanic Activity

Sunspot Activity

Both of the previous

None of the previous

Light waves travel through the glass and turn into heat waves that cannot escape back out through the glass.

Heat waves travel through the glass and become trapped.

Both of the previous

None of the previous

Because, just like in a greenhouse, heat waves travel through the atmosphere and become trapped.

Because, just like in a greenhouse, light waves travel through our atmosphere, turn into heat waves and become trapped.

Carbon Dioxide and Methane

Carbon Dioxide and Ozone

Carbon Dioxide and Water Vapor

Carbon Dioxide and chlorofluorocarbons

Because it has less carbon dioxide in the atmosphere and so the temperatures on Venus are lower

Because most of the atmosphere on Venus consists of carbon dioxide, so it is really hot on Venus

All of the previous

None of the previous