Directions: Read each question carefully. Choose the letter of the correct answer and write them before the number:
1. Which of the following allows the right amount of sunlight to warm the Earth?
a. atmosphere
b. cloud layer
c. gravity
d. water
2. Which of the following is responsible for keeping us “not too hot in the summer
and not too cold in the winter”?
a. Greenhouse Effect
b. Seasonal Effect
c. Ocean Basins
d. Weather
3. Water vapor, carbon dioxide, methane, and nitrous oxide are what examples
of gases in the atmosphere?
a. Fluorinated Gases
b. Greenhouse Gases
c. Ozone Gases
d. Solar Gases
4. Which of the following is responsible for warming the Earth?
a. Fluorinated Gases
b. Greenhouse Gases
c. Ozone Gases
d. Solar Gases
5. Which of the following solar radiation bounces off the Earth back toward the
atmosphere?
a. Gamma radiation
b. Infrared radiation
c. Nuclear radiation
d. X-ray radiation
6. Which of the following greenhouse gases is most commonly produced by
human activities?
a. Carbon dioxide
b. Fluorinated gases
c. Methane
d. Nitrous oxide
7. Which of the following human activities has a significant contribution to the
greenhouse gases of the Earth?
a. Burning coals.
b. Burning forests.
c. Burning fossil fuels in their vehicles.
d. Using materials that contain chlorofluorocarbons.
8. Which of the following phenomena will happen if too many greenhouse gases
block heat in the atmosphere?
a. Global warming
b. Ice Age
c. Thunderstorm
d. Tropical storm
9. Which will happen if the Earth continues its warming?
a. drought
b. lower sea levels
c. melting polar ice caps
d. more reflected sunlight off the ice pack
10. Which of the following could you do to help decrease the effects of global
warming?
a. Keep your freezer door open.
b. Keep your air conditioner on high.
c. Burn dry leaves and plastics in your backyard.
d. Turn off your lights when you’re not using them.