Mr. E. Science
Manned Space Exploration: From Apollo to Present
How did the manned space mission program progress? The presentation covers American space exploration from the Apollo missions through the International Space Station.
Scholastic
Study Jams! Our Solar System: Inner Planets
Stunning images make up this slide show on the inner planets of our solar system. While visiting Mercury, Venus, Earth, and Mars, viewers also are introduced to the International Space Station and the Spirit Rover on Mars. Follow this...
Curated OER
Effects of Ozone Depletion
Explore the causes of ozone depletion and the effect on plankton, algae, plants, amphibians, and humans. Learn how the Montreal Protocol has possibly helped reverse the decline of the ozone layer. Warning: photos of skin and eye damage...
Science Geek
Earth's Atmosphere
Ozone gas absorbs the harmful UV-B rays and helps protect humans. An informative presentation begins with the layers of the earth's atmosphere, the pressure and temperature in each of the layers, the ozone layer, the ozone cycle, and the...