[Free Registration/Login may be required to access all resource tools.] Identify the layers of the sun's internal structure.

In this lesson on the sun's impact on Earth, students will explore the layers of the sun and describe how the Earth is impacted by the sun's physical properties.

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...

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...

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...

The ozone layer is important for blocking most of the harmful radiation that comes from the sun. You can find maps of the ozone layer and compare different regions of the globe for ozone coverage. Some scientists think that aerosols in...

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.

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...

Dozens of statistical terms are defined and illustrated in this glossary.