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Telephone Magi? Basic

Discover how electromagnets in telephones turn electrical signals to sound waves that you can hear.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be lo ...

Teen Uses Science to Make Water Saf? Basic

Find out how a young teen used the scientific process to discover a way to remove antibiotics from drinking water.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents ...

Tattoos You Can Us? Basic

Lean how "electronic tattoos" may someday be applied to the skin to monitor body functions and stimulate muscles.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents ...

Sweeter than Suga? Basic

Discover why artificial sweeteners are sweet and how some of them were discovered by accident.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged ...

Strontium Cloc? Basic

Find out how a strontium clock keeps time, why it is extremely accurate, and why such accurate time keeping is important.

It is an educational content of CK-12 Foundation (to access some of the CK-12 c ...

Stronger than Stee? Basic

Learn about the amazing properties of the synthetic fiber named Kevlar, how it was discovered, and some of its important uses.

It is an educational content of CK-12 Foundation (to access some of the CK ...

Stinky Shoe? Basic

Find out what silica gel is and how it works to keep things dry.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

Stay Warm for Lif? Basic

Learn how a South African teen developed a life jacket liner that uses chemical reactions to produce heat and keep people warm in the water.

It is an educational content of CK-12 Foundation (to access ...

Star Light, Star Brigh? Basic

Discover how scientists can analyze light given off by stars or unknown elements in order to determine their composition.

It is an educational content of CK-12 Foundation (to access some of the CK-12 c ...

Speeding Up by Falling Dow? Basic

Discover how to find the terminal velocity of a penny dropped from a skyscraper and whether the penny will be traveling fast enough by the time it reaches the ground to damage materials or harm people ...

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