Global Warming

1. Which of the following best describes global warming?

• a. The current temperatures on Earth

• b. The weather during the summer

• c. The increase in the average temperatures on Earth

• d. All of the above

2. Which result of global warming could upset the food chain and put some animals species in danger of extinction?

• a. Glaciers melting

• b. Rising ocean levels

• c. Changes in animal migrations

• d. Extreme weather

3. What biome is likely to expand if global temperatures increase?

• a. Rainforest

• b. Tundra

• c. Temperate forest

• d. Desert

4. Which of the following can impact the global climate?

• a. Volcanic eruptions

• b. Solar activity

• c. Greenhouse gases

• e. All of the above

5. What greenhouse gas is released into the atmosphere from gasoline burning cars?

• a. Carbon dioxide

• b. Water vapor

• c. Oxygen

• d. Ozone

6. Where does the energy that keeps the surface of the Earth warm come from?

• a. Fossil fuels

• b. The sun

• c. The spin of the Earth

• e. The moon

7. True or False: A reduction in the overall average temperature of the Earth of 5 degrees C could cause an ice age.

• a. TRUE

• b. FALSE

8. Which of the following causes of global warming can be affected by human behavior?

• a. Volcanic eruptions

• b. Solar activity

• c. Greenhouse gases

• d. All of the above

9. What determines your 'carbon footprint'?

• a. How much trash you produce throughout a year

• b. The type of food you eat

• c. The size of shoe you wear

• d. How much carbon dioxide your activities release into the air

10. Which of the following is an example of a renewable energy source?

• a. Gasoline

• b. Solar power

• c. Fossil fuel

• d. All of the above