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1.______ _______- the gradual ________ in the overall temperature of Earth’s atmosphere

Circle correct choice-
2. Five of the (hottest, coolest) years on record have happened since 2010.

3. Earth’s average surface temperature has (risen, fallen) about 0.9°C (1.62°F) since
the Industrial Revolution

4. List the measurements scientists use to study climate change:
a.
d.
g.
b.
e.
h.
c.
f.


5. Define Climate Change-

6. The size of each growth ring gives scientists information about ______and air
__________at the time each ring was formed.

7. Match the correct indicator

WIDER RINGS
cold, dry weather when formed

THINNER RINGS
warm, wet weather when formed

8. Ice core samples can tell us air _______ and how much___ was present at that time.

9. Foraminifera that lived 1,000’s of years ago have certain levels of ________ and isotopes in their shells. _________ temps when formed can also be determined.

Circle the Correct Sequence
10. An international effort called ARGO has about 3200 floats in our oceans that
measure ______ temps & __________. This data, plus air ___________ are
collected to measure the ___________.
Past, Acidity, Temperature, Water
Water, Acidity, Past, Temperature
Water, Acidity, Temperature, Past
Air, Water, Acidity, Temperature

11. Satellite images are used to measure:

12. Describe glacial retreat:

1 answer

  1. Global Warming - the gradual increase in the overall temperature of Earth’s atmosphere.

  2. Five of the (hottest) years on record have happened since 2010.

  3. Earth’s average surface temperature has (risen) about 0.9°C (1.62°F) since the Industrial Revolution.

  4. Measurements scientists use to study climate change: a. Temperature records
    b. Ice core samples
    c. Tree ring analysis
    d. Sea level rise
    e. Ocean acidification
    f. Carbon dioxide levels
    g. Precipitation patterns
    h. Fossil records

  5. Define Climate Change: Climate change refers to significant and lasting changes in the statistical distribution of weather patterns over periods ranging from decades to millions of years, often attributed to human activity and natural phenomena affecting the Earth's climate system.

  6. The size of each growth ring gives scientists information about temperature and air humidity at the time each ring was formed.

  7. Match the correct indicator:

    • WIDER RINGS: warm, wet weather when formed
    • THINNER RINGS: cold, dry weather when formed

  8. Ice core samples can tell us air composition and how much greenhouse gas was present at that time.

  9. Foraminifera that lived thousands of years ago have certain levels of carbon isotopes and isotopes in their shells. Ocean temps when formed can also be determined.

  10. Circle the Correct Sequence: Water, Acidity, Temperature, Past

  11. Satellite images are used to measure: cloud cover, land use changes, temperature variations, and ice cover.

  12. Describe glacial retreat: Glacial retreat refers to the process by which glaciers lose mass and volume over time, primarily due to increased temperatures and climate change. As temperatures rise, glaciers melt faster than they can accumulate new ice, causing them to shrink and retreat from their previous positions. This can result in rising sea levels and changes in local ecosystems.