Water (National Geographic Kids)

How much of the Earth's surface is covered in water?

• 1/4 (one fourth)

• 1/2 (Half)

• 3/4 (three quarters)

• Who Knows?!

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How did glaciers help create many of the world's lakes and ponds?

• They scraped giant holes in the ground, when they moved.

• When glaciers melted, they filled holes in the ground.

• Both answers are true.

• Neither answer is true.

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The kind of life in a river depends on how fast the water...

• evaporates.

• flows.

• rises.

• cools down.

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As a river races along, it knocks loose bits of soil, sand, and rock. These tiny pieces are called...

• erosion.

• sediment.

• magma.

• traction.

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Water is special. It's the only substance found in...

• 2 forms. Liquid and Solid.

• 3 forms. Solid, liquid, and gas.

• 4 forms. Ice, Rock, Liquid, and gas.

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The gas form of water is called...

• water runoff.

• liquid hydrogen.

• dry ice.

• water vapor.

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The process of water changing from a liquid to a gas is called...

• annihilation.

• precipitation.

• evaporation.

• condensation.

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What holds more moisture?

• Cool air.

• Warm air.

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Clouds are made up of millions of...

• water droplets.

• ice particles.

• steam.

• water vapor.

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The biggest snowflake ever recorded fell in which state?

• Alaska.

• Washington.

• Minnesota.

• Montana.