| Atmosphere Ozone @ NASA's Observatorium
Heard a lot of talk about this stuff called "ozone?" Do you know what it is? Do you know why it's so important? Why is there a big fuss over ozone?
For Grades: 5-12 Ozone @ NASA's Earth Observatory
Ozone (O3) is a relatively unstable molecule made up of three atoms of oxygen (O). Although it represents only a tiny fraction of the atmosphere, ozone is crucial for life on Earth.
For Grades: 9-12 Hurricanes @ NASA's Observatorium
Hurricanes are one of the most awesome expressions of power that nature can create.
For Grades: 5-12 Hurricanes: The Greatest Storms on Earth @ NASA's Earth Observatory
Few things in nature can compare to the destructive force of a hurricane. Called the greatest storm on Earth, a hurricane is capable of annihilating coastal areas with sustained winds of 155 mph or higher and intense areas of rainfall and a storm surge.
For Grades: 9-12 Problem-Based Classroom Modules @ NASA's Tropical Rainfall Measuring Mission
This website introduces students to the topics of clouds, winds, precipitation, weather, and energy.
For Grades: 5-12 Aerosols @ NASA's Earth Observatory
Aerosols are tiny particles suspended in the air. Some occur naturally, originating from volcanoes, dust storms, forest and grassland fires, living vegetation, and sea spray.
For Grades: 9-12 Why isn't Earth Hot as an Oven @ NASA's Earth Observatory
Sunlight is the source of energy for the Earth's oceans, atmosphere, land, and biosphere. This energy serves to heat the Earth to temperatures far above the minus 454 degrees Fahrenheit (3 degrees Kelvin) of deep space.
For Grades: 9-12 | 
