From days of 24 hour sunlight, to endless nights that last for days, the Arctic is a very unique place to live. Examine the seasonal changes that occur in the northern-most reaches of the globe and the impact they have on the plants and...

With a simple blackboard-style appearance, these slides list facts about the reason for the seasons, solstices, and equinoxes. It also touches on Kepler's first law of planetary motion. There are no pictures or graphics to help explain...

Sixth graders conduct a controlled investigation to determine the length of the sun's shadow on a fixed object (i.e., flagpole, telephone pole, etc.) over a three-day period (one day in the fall, one in the winter, and one in the...

This textbook chapter looks at the role of temperature in sustaining life on Earth and on weather and climate. It discusses the Earth's movements and the seasons, the circulation of the oceans, wind and weather, and the water cycle....

Site provides information on the Earth's atmosphere as well as offers additional information about Earth.