Nat Geo Global Warm

Do we need greenhouse gases on Earth?

• Yes - they keep the Earth warm
• Yes - they keep all the gases on our planet
• No - they only cause terrible climate change
• No - they only block some of the Sun's rays

Which of the following are greenhouse gases?

• Carbon dioxide
• Methane
• Nitrous Oxide
• All answers are correct

Why is the increase of Greenhouse gasses a big issue?

• It causes climate change and increase in the global temerature 
• It can lead to a major increase in Greenhouses 
• It leads to more factories
• It causes a major decrease in people

Which one of the choices below is NOT a  cause for global warming?

• Having too many cows
• Burning Fossil Fuels
• Planting new trees

The gradual increase in the temperature of the atmosphere is known as ________________.

• Greenhouse Effect
• Global Warming
• Carbon Dioxide Gases
• Methane

Which of the following is the most troubling greenhouse gas being produced by humans?

• Water Vapor
• Carbon Dioxide
• Methane
• Nitrous Oxide

How can global warming cause sea levels to rise? Choose the best answer.

• by causing it to rain more often
• by melting glaciers and ice caps
• by increasing the number of undersea volcanic eruptions
• by creating bigger and more powerful hurricanes

Why does cutting down trees increase global warming?

• trees soak up carbon dioxide
• trees provide shade which counteracts global warming
• trees absorbs the sun's energy without radiating back into the atmosphere
• trees drain greenhouse gases like methane from soil

What happens to the temperature if more greenhouse gases are released into the atmosphere?

• Temperature goes up
• Temperature goes down

Without the Greenhouse Effect the Earth would be too

• warm 
• cold
• dead
• funny