Climate change

According to the speaker, greenhouse gases are produced by:

• heat from the sun

• the actions of people

• the sun's rays and also the actions of people

• the video doesn't say

Answer explanation

Both the sun's rays and the actions of people cause global warming.

Which of these things is a greenhouse gas?

• carbon monoxide

• carbon dioxide

• oxygen

• the video doesn't mention

Answer explanation

Carbon dioxide is a greenhouse gas; carbon monoxide and oxygen are not.

Which of these predictions about climate change does the video make?

• If the planet gets warmer, then polar bears will become extinct.

• If the planet gets warmer, then we can expect more floods.

• If the planet gets warmer, then fuel will become less expensive.

• If the planet gets warmer, then sea levels will rise.

Answer explanation

If the planet gets warmer, then we can expect more floods.

What activities release greenhouse gases (cause climate change)?

• Burning oils to make planes and cars move

• Dumping trash on landfills

• Cutting down trees

• All of them

What is climate?

•  What's going on with the atmosphere at any particular time
• The type of weather that occurs during a particular season
• An area's pattern of weather over a long period of time
• How much sunshine an area gets 

What does the picture represent?

• Lines of latitude

• Greenhouse effect

• Climatic zones

• Weather patterns

Something that might happen because of global warming is

• melting polar ice caps

• more reflected sunlight off the ice pack

• lower sea levels

• a sale on bathing suits

Which of the following would contribute most to sea level rise?

• Melting of the Arctic sea ice

• Melting of land ice in Greenland and Antarctica

• Melting of the glaciers in the Himalayan mountains

• Melting of glaciers in Alaska

The cold climate zone near both poles:

• Tropical Zone

• Polar Zone

• Temperate Zone

• Climate

A warm-water event that can change weather patterns causing heavy rains or droughts:

• El Niño

• La Niña

• Sunspots

• Global Warming