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- 1. Multiple Choice
Which of the following are greenhouse gases?
Carbon Dioxide
Methane
Both of these
- 2. Multiple Choice
What do greenhouse gases do?
Reflect the sun's energy
Block the sun's infrared radiation
Act as a thermal blanket for the Earth, absorbing heat and warming the surface
They help light up the moon at night
- 3. Multiple Choice
What happens to the light energy from the sun when it hits the Earth's surface?
It is absorbed
It is reflected back to space
It is trapped by greenhouse gases in the Earth's atmosphere
- 4. Multiple Choice
If we didn't have the 'greenhouse effect' at all, Earth would
have volcanoes erupting everywhere
Cool to a point where we could not live here
Catch on fire
blow up from being hit by meteors
- 5. Multiple Choice
The greenhouse effect is a natural process
true
false
- 6. Multiple Choice
The greenhouse effect is caused by
more heat arriving at the Earth from the sun
the Earth releasing more heat at night
gases in the air trapping heat released by the Earth
- 7. Multiple Choice
The graph shows us that
the earth temperature is always increasing
the earth's temperature has steadily increased since 1900
the earth's temperature has steadily rising since the 1960s
the earth's temperature decreased during the 19th and 20th centuries
- 8. Multiple Choice
The area of human activity responsible for the highest greenhouse gas emissions is
energy supply
transport
agriculture
industrial
- 9. Multiple ChoiceWhich of the following activities contributes the most to carbon emissions globally?DeforestationAgricultureBurning fossil fuelsRespiration
- 10. Multiple ChoiceMelting of glaciers and polar ice caps....will result in cooler temperatures in the Arcticwill result in sea-levels risingWill have no effect on ecosystemsNone of the above
- 11. Multiple ChoiceWhich of the following are greenhouse gases?Carbon dioxideMethaneWater vapor
- 12. Multiple ChoiceWhat happens to the temperature if more greenhouse gases are released into the atmosphere?Temperature goes upTemperature goes down
- 13. Multiple Choice1. Certain gases in the atmosphere – water vapor, carbon dioxide, methane and nitrous oxide – help maintain the Earth’s temperatures and climate. These are called: __________ .A. ozone gasesA. solar gasesA. greenhouse gasesA. stomach gases
- 14. Multiple ChoiceOver the past 200 years, the level of carbon dioxide in the atmosphere hasdecreased slightly.increased until recently, and then decreased.increased steadily.stayed about the same.
- 15. Multiple Choice
CO2 exists naturally in the atmosphere.
True
False
- 16. Multiple ChoiceThe average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?lower levels of ozone in the atmospherelower levels of nitrogen in the atmospherehigher levels of carbon dioxide in the atmospherehigher levels of oxygen in the atmosphere
- 17. Multiple Choice
Which gases in Earth's atmosphere absorb infrared radiation (i.e. heat)? 2 correct answers.
CO2
Oxygen
Nitrogen
Water vapor
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