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Visit the South Carolina Department of Education for Science standards.

Take a quick look at all Science series on Knowitall.org

 

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Visit the South Carolina Department of Education for Science standards.

Take a quick look at all Science series on Knowitall.org

 

Matter and Molecules | NASA Online
Matter and Molecules | NASA Online

Interactive

Grades: 3 4 5 6 7 8 9 10 11 12

To understand sound, you first need to understand matter. Everything is made up of matter. Learn more in the simulation above.
How Sound Travels | NASA Online
How Sound Travels | NASA Online

Interactive

Grades: 3 4 5 6 7 8 9 10 11 12

The speed at which sound travels from one place to another depends upon the medium and how closely packed the molecules are in the matter. Learn more about how sound travels from the simulation.
Wave Traits | NASA Online
Wave Traits | NASA Online

Interactive

Grades: 3 4 5 6 7 8 9 10 11 12

A wave is energy in motion or energy moving from point to point. To describe the traits of a wave, there are a few terms you need to know. Choose a term in the activity to display its description in...
Sense of Smell | NASA Online
Sense of Smell | NASA Online

Interactive

Grades: 3 4 5 6 7 8 9 10 11 12

As you take a deep sniff, the odor particles in the air flow back to the top of your nose. Learn more about the sense of smell in the simulation.
Scattering Light | NASA Online
Scattering Light | NASA Online

Interactive

Grades: 3 4 5 6 7 8 9 10 11 12

The Sun is a natural source of visible light waves. Our eyes see the reflection of the sunlight off the objects around us. Check out the simulation to learn more about scattering light.
Light and Color | NASA Online
Light and Color | NASA Online

Interactive

Grades: 3 4 5 6 7 8 9 10 11 12

In the activity, choose a color to find out why objects appear in a particular color.
Atmosphere | NASA Online
Atmosphere | NASA Online

Interactive

Grades: 3 4 5 6 7 8 9 10 11 12

The Earth is surrounded by a thin envelope of gases called the atmosphere. More than 500 active volcanoes erupt around the world affecting the Earth's atmosphere and global climate.
Brain Teasers | NASA Online
Brain Teasers | NASA Online

Interactive

Grades: 3 4 5 6 7 8 9 10 11 12

These brain teasers can help you develop your creative thinking, an important skill for inventors. Try out the brain teaser game.