Integrated Coordinated Science for the 21st Century


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Unit 1: EarthComm

Unit 2: Active Physics

Unit 3: Active Chemistry

Unit 4: Active Biology

Unit 1: EarthComm

Understanding and Applying What You Have Learned

1. Think about the air you are breathing. How much of it came from some distant volcano?
2. If a volcano erupted huge amounts of ash, would you expect global temperatures to go up or down? Why?

3. If warm air rises, why would hot gases from a volcano be a threat to people in the valley below? (Hint: think about volume’s effect in your work with the lava flow lab.)
4. If a system consists of many parts that affect each other, how are volcanoes part of systems on Earth?

Preparing for the Chapter Challenge

Use the information in this activity to argue that volcanoes have affected virtually every community.

Consider ways in which you can include these arguments in your story line.

Inquiring Further

1. Cascades eruptions
Examine the figure showing the eruptions of Cascade volcanoes during the last 4000 years.
a) Which volcano has been most active? Which volcano has been least active? Explain.

b) What three volcanoes do you think are most likely to erupt next?
c) Visit the AGI EarthComm web site for a link to the USGS Cascades Volcano Observatory web site. Find out about their monitoring efforts.