Chapter 7 - Changes in Weather
Unit D - Weather and Space
- Chapter 7 - Changes in Weather
How does the weather where you live change throughout the year?
If the Earth turns all the way around every 24 hours, then why are some days longer than others? And why do we have winter and summer? See the answers for yourself—in a matter of seconds.
Why is there such a dramatic temperature change between the equator and the South Pole? Explore all the angles of sunlight with a few thermometers and a heat lamp.
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
An in-depth look at the life-giving and finite resource of water.
Online Resource, Article
By taking biopsy-like samples from centuries-old Siberian pines, scientists have reconstructed a 300-year record of temperature changes for the Arctic and the Northern Hemisphere.