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What does it mean if something is radioactive?

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Street Lights

Why are some street lights yellow and others a blue-white color?

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Producing Static Charges

What is responsible for the sparks you get when you scuff your feet on the carpet?

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Slippery and Sticky Ice

How can ice be slippery and sticky at the same time.

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The Speed of Electricity

How fast does electricity travel through your wires?

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Clear Ice

What causes the cloudy look in ice cubes, and how can you get rid of it?

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Instant Fizz

What is the difference between baking soda and baking powder? And why should you care?