Rising temperatures are causing glaciers in Glacier National Park to melt. As the volume of ice in the glaciers decreases, the land around the glaciers becomes warmer. and melts the glaciers faster. This melting is an example of feedback. When feedback occurs, a system returns-or feeds back - to itself data about a change in the system.

CHALLENGE Describe how melting of glaciers in one part of the Earth system might affect other parts.

I get it! Now I know that natural diasters such as hurricanes, tornadoes, and wildfires have repeatedly damaged and destroyed areas of Florida causing _____.

I need extra help with _____.

Infer During the summer, why are cities hotter than nearby fields and parks?

Work with Design Constraints Suppose you wish to build a house on a beach that is at risk for storm surges. What is one feature you might want your house design to include?

Compare and contrast: What is the difference between wet air and dry air?

Evaluate the Impact on Society Give one example of how humans affect the hydrosphere. Then explain how this change impacts society.

Infer Why are storm surges dangerous?

What place would have more severe winters: central Russia or the west coast of France ?

Solve Problems What can countries do to help the ozone layer recover?

List: What are the four most common gases in dry air?

Classify The sphere that contains humans is the _______.

Review The Earth system consists of the sun and five main _____.

Explain How did Mario Jose Molina's discovery of what causes the ozone hole to form change scientific knowledge?

Place these climates in order, from coldest to warmest: tundra, subarctic, humid subtropical, and ice cap.