Greenhouse Gas and Global Warming

 What is the greenhouse effect?

• The warming of a planet due to trapped radiation.
• The cooling of Earth due to air pollution.
• The heating of a solid, such as a rock.

What gas from the list below is a cause for global warming?

• Nitrogen
• Oxygen
• Carbon Dioxide

Increased carbon dioxide may cause global warming by trapping more ____________ in the atmosphere.

• water
• gases
• heat
• water vapor

Water vapor is a greenhouse gas

• True
• False

Some greenhouse gases are naturally present in the Earth's atmosphere

• True
• False

Human activity is adding additional greenhouse gases to the amount that are in the atmosphere naturally

• True
• False

Which of the following is not a greenhouse gas?

• Carbon dioxide
• Methane
• Water vapour
• Nitrogen

Global average warming is the result of

• The Ozone Hole
• Natural Earth Climate Cycles
• A Human-Caused Increase in Greenhouse Gases
• Aliens

Do Renewable energy sources run out?

• Yes 
• No

What is an example of a renewable resource?

• hydroelectric
• oil
• coal
• fossil fuel