Chapter 5 - Earth Changes
Unit C - Earth and Its Resources
- Chapter 5 - Earth Changes
What ca cause Earth's features to change?
From slow creeping continents to ground-splitting quakes, the Earth is constantly changing. Take a peek at our planet's layers, learn what secrets rocks reveal, and gain a long view of history.
How well grounded is your knowledge of our planet? Test your Earth science knowledge with this interactive quiz. Then, examine your faults—and the rights answers.
Do you dig the Earth? If so, you'll want to meet Arjun, Diana, Ruthmabel, and Ed. From volcanoes to deep sea vents, find out where these OLogists' interests have taken them.
Want to take a close look at the layers that make up our solid Earth? Cook up a model that's good enough to eat—from the spice drop inner core to the thin chocolate crust.
Classroom Activity, Hands-on Activity
Give your class a tour of the diverse landscape of your own undersea realm!
A volcanic eruption that could be felt across an ocean, an earthquake that sparked landslides, massive tsunamis, and a volcanic eruption ... Examine the world-changing results of plates on the move.
If the West Antarctic Ice Sheet breaks apart, it could release enough water to raise the sea level by six meters (19.7 feet). Meet a scientist studying the ice sheet's past in order to predict its future.
Piece together what Earth may have looked like approximately 220 million years ago when there was a single supercontinent, Pangaea.
Did you know that the island of Iceland is really just the peak of an underwater mountain? What other land forms lie hidden beneath the ocean, and how are they formed?
Every language has a word for water; no living thing exists without water. It soothes the spirit and sustains the body; its beauty inspires art and music.
November 1, 2007 - May 26, 2008