Democrats, business people and environmentalists, scientists and
scientists…….all of them have something in common. They all disagree about
the Earth’s changing climate. Who is telling the truth? Where is the
proof that will tell us what is really happening to the Earth’s
climate? In the assignment that follows you will read an article that
describes scientists’ efforts to discover what is happening to our climate.
You will need QuickTime
viewer installed on your computer in order to view this video. If you do not
have QuickTime viewer installed, please click on the following link ? to download a free version of this software.
Read the article found
at the following web site and answer the questions below. Use complete
sentences to answer the questions.
1. Do scientists agree that
the Earth is currently experiencing a human caused increase in the greenhouse
2. Name two pieces of
evidence that do NOT support global warming.
3. Why don’t scientists
know what is causing climate change?
4. Why is Greenland a
better indicator of global climate change than Antarctica?
5. Identify five possible
explanations for Greenland’s thinning ice sheet.
6. Why is it risky to make
inferences about global climate change from a five year study?
7. Identify three things
that scientists use to learn about Earth’s past climate.
8. Identify two things that
cause natural climate variations.
9. What does QED stand for
and what does it mean?
10. How do scientists prove
causation? (Causation is the cause of something.)
11. Why is disagreement
among scientists inevitable when discussing global climate change?
12. Identify three ways that
technology is used to monitor and learn about climate change.
13. Can two very smart, very
good scientists have two very different opinions about global climate
change? Explain your answer.
14. The article says that
there is no single indicator that will prove or disprove theories about climate
change. It says the scientists must reach a consensus about what they
think is happening. What is a consensus?
15. If scientists cannot
explain what is causing climate change, what good is science? Explain why
science is useful even if it does not provide all the answers.
16. Can science prove what
is causing global climate change? Why or why not?
Submit your answers to
me. Make sure your answers are written in complete sentences.
GOOD LUCK AND HAVE FUN!