Climate Change and Global Warming

The average temperature of the surface of Earth has increased approximately .5-1°C in the past century. Which reason best explains this increase in temperature?

• lower levels of ozone in the atmosphere

• lower levels of nitrogen in the atmosphere

• higher levels of carbon dioxide in the atmosphere

• higher levels of oxygen in the atmosphere

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Which of the following is the best conclusion that can be made from this graph?

• atmospheric carbon dioxide levels have been decreasing since 1960
• Hawaii has a lot of carbon dioxide
• humans have been working hard to decrease carbon dioxide levels
• atmospheric carbon dioxide levels have increased steadily since 1960

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Changes in temperature are expected to be greatest

• near the equator
• near the poles
• between the equator and the North Pole
• between the equator and the South Pole

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The warming of the atmosphere by the trapping of heat being radiated to space is called

• evaporation
• condensation
• the greenhouse effect
• radiation

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Pick the most accurate statement from the list below.

• Greenhouse gasses, even in the smallest amounts, are dangerous for our planet.

• There is no correlation between temperature change and the concentration of Carbon dioxide on Earth.

• A certain amount of Carbon Dioxide is naturally occurring and Earth needs CO2 in the atmosphere to make our planet livable.

• Ice core studies have shown that Carbon Dioxide levels have remained relatively constant over the history of our Earth.

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In a warmer world, we would expect more...

• Hurricanes

• Droughts

• Desert expansions

• All of these

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A change in the pattern of weather in an area over long periods of time.

• Climate

• Weather

• Global Warming

• Global Climate Change

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The way scientists are measuring the rate of global warming is to measure

• sea levels

• thickness of glacier ice

• levels of carbon dioxide in the atmosphere

• all the above

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How does an increase in carbon dioxide affect global temperature?

• decreases global temperature

• increases global temperature

• does not affect temperature

• temperature stays the same

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Global warming can be misleading because

• There is no proof that it is actually happening.

• All areas of the Earth are not getting warmer every year.

• It isn't Carbon Dioxide that is causing the temperature increase.

• It isn't the greenhouse gases that are causing the heat to be trapped.

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