Fun Science Facts

A substance through which light travels.

• Wavelength

• Opaque

• Frequency

• Medium

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The bending of waves as they pass from one substance into another.

• Reaction

• Reflection

• Refraction

• Repost

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Particles are not so closely spaced and slide past each other.

• solid

• liquid

• gas

• plasma

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What is the earth's primary source of light energy?

• moon

• sun

• waves

• fire

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What is the only planet in our solar system that rotates clockwise?

• Venus

• Mars

• Jupiter

• Saturn

Which gas is most abundant in the Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

What is the chemical symbol for gold?

• Au

• Ag

• Pb

• Fe

Which part of the plant conducts photosynthesis?

• Root

• Stem

• Leaf

• Flower

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What is the hardest natural substance on Earth?

• Gold

• Iron

• Diamond

• Quartz

Which planet is known as the Red Planet?

• Earth

• Mars

• Jupiter

• Saturn