A pulling force produced by magnets as well as the North Pole of Earth.
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What is magnetism?
How tightly molecules in a substance are packed. It helps determine the bouyancy of a substance.
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What is density?
The energy from the moving blades of a wind turbine runs the generator. The generator changes the mechanical energy of the wind and moving blades and produces this useful energy.
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What is electricity?
The only reason we can see the color of our clothes or our notebooks is because of this.
What is reflection of light?
This moon phase does not happen very often. The sun, moon, and Earth have to be lined up straight, and the moon needs to pass through the shadow of the Earth. On these rare occasions, the light refracted around the Earth casts an orange-red glow on the moon.
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What is a Blood Moon?