Other
Net Wellness: Skin Care
Contains information about the following: how the skin functions, skin structure, the epidermis, the stratum corneum, the middle epidermis, the basal layer, epidermal cell summary, the dermis, aging and its effects on the skin, natural...
ClassFlow
Class Flow: Astronomy and the Solar System
[Free Registration/Login Required] This flipchart presents the layers of the Sun and the components of the solar system.
Enchanted Learning
Enchanted Learning: The Earth's Atmosphere
The Earth's atmosphere is a thin layer of gases that surrounds the Earth. It composed of 78% nitrogen, 21% oxygen, 0.9% argon, 0.03% carbon dioxide, and trace amounts of other gases. This thin gaseous layer insulates the Earth from...
NASA
Nasa: Weather
Though we live on the surface of the Earth, we actually live at the bottom of an ocean of air. Dynamic layers of air interact with the Earth's surface and the Sun's energy to produce the phenomenon of weather. The atmosphere is...
TeachEngineering
Teach Engineering: Battling for Oxygen
Using gumdrops and toothpicks, students conduct a large-group, interactive ozone depletion model. Students explore the dynamic and competing upper atmospheric roles of the protective ozone layer, the sun's UV radiation and harmful...
Macmillan Cancer Support
Macmillan Cancer Support: Melanoma
More vacations are being taken in sun laden places this coupled with the depletion of the ozone layer has resulted in the increase in the incidents of malignant melanoma. This comprehensive site delves into the causes, diagnosis, and...
Other
Stat Soft: Statistics Glossary
Dozens of statistical terms are defined and illustrated in this glossary.
Other
Spacetech's Orrery: Earth Our Home Planet
This site provides a very interesting overview of our home planet, Earth. Content includes a focus on the atmosphere, the pull of gravity, and the active surface.