Global Warming

The main human activity that releases greenhouse gases is

• using bottled water
• burning fossil fuels
• texting on cellphones
• eating meat

Why is the increase of Greenhouse gasses a big issue?

• It causes climate change and increase in the global temerature 
• It can lead to a major increase in Greenhouses 
• It leads to more factories
• It causes a major decrease in people

How can global warming cause sea levels to rise? Choose the best answer.

• by causing it to rain more often
• by melting glaciers and ice caps
• by increasing the number of undersea volcanic eruptions
• by creating bigger and more powerful hurricanes

Why does cutting down trees increase global warming?

• trees soak up carbon dioxide
• trees provide shade which counteracts global warming
• trees absorbs the sun's energy without radiating back into the atmosphere
• trees drain greenhouse gases like methane from soil

What happens to the temperature if more greenhouse gases are released into the atmosphere?

• Temperature goes up
• Temperature goes down

Things you can do to help decrease global warming include:

• Eat more ice cream.
• Keep your freezer door open.
• Keep your air conditioner on high.
• Turn off your lights when you’re not using them.

How is the greenhouse effect produced?

• When solar energy trespasses the atmosphere.

• When some energy is reflected back to earth.

• When the green house is burned.

• When the sun doesn't emit radiation.

Worldwide, temperatures have been increasing for more than 100 years.  Is this evidence of global warming?

• yes
• no

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Carbon is used by plants during which process?

• Respiration
• Transpiration
• Photosynthesis
• Transportation

When ice burgs melt, causing sea levels to rise, what animals do YOU think are most affected?

• Polar bears

• Penguins

• I think both animals are affected