Greenhouse effect

The gradual increase in the temperature of the atmosphere is known as ____

• climate change

• the greenhouse effect.

• global warming.

• weather

Which of the following gases found in our atmosphere is not a greenhouse gas?

• carbon dioxide

• water vapor

• methane

• nitrogen

Over the past 200 years, the level of carbon dioxide in the atmosphere has

• decreased slightly.

• increased steadily.

• stayed about the same

 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 do scientists think the effect will be of having more greenhouse gases in our atmosphere?

• More warming of the atmosphere

• More cooling of the atmosphere

• More air in the atmosphere

• Less air in the atmosphere

What do humans do that releases greenhouse gases into the atmosphere?

• Burn fossil fuels (like gas and coal)

• Build cement buildings

• Ride bikes and use solar energy

• Compete in the Olympics

Which natural process removes carbon dioxide from the atmosphere?

• forest fires

• volcanic eruptions

• cellular respiration

• photosynthesis

How does the concentration of carbon dioxide in the atmosphere affect climate?

• As carbon dioxide concentrations increase, temperatures increase

• As carbon dioxide concentration increase, temperatures decrease.

• Carbon dioxide concentrations have no affect on climate

• As carbon dioxide concentrations increase, temperatures become more random.

Visible light reaches Earth’s surface while infrared light is trapped as heat. Which characteristic of Earth’s atmosphere causes this to happen?

• the hole in the ozone

• the greenhouse effect

• atmospheric pressure

• the inversion layer

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

• True

• False