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Global Climate Change (Grade 9)

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Global Climate Change

Earth is currently in an interglacial period.
  1. True
  2. False
As global atmospheric temperature increase, weather patterns will remain mostly unchanged.
  1. True
  2. False
Milankovitch cycles are changes in global climate patterns due to variations in Earth's tilt and orbit.

Milankovitch cycles are an example of how humans impact global climate change.
  1. True
  2. False
Scientists study tree rings, ice cores, pollen grains, and ocean sediment chemistry to learn about Earth's past                .
  1. climate
  2. weather
A scientist uses tree rings to study past climate conditions. She observes a series of rings that are thicker than average.

Which would be the best conclusion for the scientist to draw about the years associated with the thicker tree rings?
  1. The climate was cool and dry during those years.
  2. The climate was cool and wet during those years.
  3. The climate was warm and dry during those years
  4. The climate was warm and wet during those years.
What is the best approximation of the average atmospheric temperature fluctuation between ice ages and interglacial periods?
  1. 0 degrees
  2. 5 degrees
  3. 10 degrees
  4. 20 degrees
The greenhouse effect heats Earth's surface by
  1. infrared radiation and sunlight.
  2. sunlight and volcanic eruptions.
  3. mantel convection and infrared radiation.
  4. volcanic eruptions and mantle convection.
When did average atmospheric temperatures begin to rise due to human activity?
  1. 1700s
  2. 1800s
  3. 1900s
  4. 2000s
Global warming threatens which type of habitats?
  1. marine
  2. terrestrial
  3. freshwater
  4. all of the above
All of the following are ways to fight global warming EXCEPT
  1. preserve forests.
  2. conserve energy.
  3. increase use of fossil fuels.
  4. develop sustainable energy sources.
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