Climate change

Front

What is the greenhouse effect?

Back

The warming of a planet due to trapped radiation.

Front

T/F: Some greenhouse gases are naturally present in the Earth's atmosphere

Back

True

Front

Which of the following is an example of a greenhouse gas? Options: Carbon Dioxide, Nitrogen, Oxygen, Neon

Back

Carbon Dioxide

Front

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

Back

atmospheric carbon dioxide levels have increased steadily since 1960

Front

Which of the following 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

Which human activity contributes the MOST carbon dioxide to the atmosphere? Options: Fishing, Breathing, Burning Fossil Fuels, Farming

Back

Burning Fossil Fuels

Front

Is water vapor a greenhouse gas?

Back

True

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

Front

Which is a natural source of greenhouse gases? Options: aerosols, deforestation, volcanic eruptions, burning fossil fuels

Back

volcanic eruptions

Front

Is there a place on Earth that is colder today than it was 100 years ago?

Back

Yes, there is a place on Earth that is colder today than it was 100 years ago.

Answer explanation

Although most locations on the planet have recorded increased temperatures since 1900, changes in global ocean and atmospheric circulation patterns have created small-scale temperature decreases in a few local regions.