Climate Change

Front

What is the direct cause of rising sea levels?

Back

Melting Land Ice

Front

Floating sea ice melts...

Back

but does not cause sea levels to rise because the ice displaces the same amount of ocean water as the melted ice would displace.

Front

Melting land ice...

Back

causes sea levels to rise because it adds water to the ocean.

Front

What is the best conclusion from the graph about atmospheric carbon dioxide levels?

Back

atmospheric carbon dioxide levels have increased steadily since 1960

Front

Which of the following have been changed or altered due to climate change?

• droughts
• flooding
• melting of polar ice caps
• all of the above

Back

all of the above

Front

What is the main human activity that releases greenhouse gases?

Back

burning fossil fuels

Front

What is contributing to an INCREASE in carbon dioxide in the atmosphere? Options: deforestation, photosynthesis, oceans, all of the above, the loss of animal species

Back

deforestation

Front

What is the greenhouse effect?

Back

The warming of a planet due to trapped radiation.

Front

What gas from the list below is a cause for global warming? Options: Urethane, Oxygen, Carbon Dioxide

Back

Carbon Dioxide

Front

What do scientists think the effect will be of having more greenhouse gases in our atmosphere? Options: More warming of the atmosphere, More cooling of the atmosphere, More air in the atmosphere, Less air in the atmosphere

Back

More warming of the atmosphere