In this Quizizz,You will learn to...

Some maps show you which roads to take to get where you're going. But if you for a hike far from roads and cities, you may want a different kind of map...

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a topographic map can show you the shape of a mountain and how steep a hiking trail is.

​Did you know?

Water doesn't easily soak in this type of ground.

Clay and solid rock

Easily soaks up rainwater

Loose soil and sand

​What soaks and doesn't....?

Rainwater collects on Earth's surface and flows downhill

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On parts of earth that cannot soak up the water, the runoff flows on top of land into creeks, streams, and rivers, which bring some of it to the oceans.

​Runoff-

Where runoff soaks into the land, it flows underground as groundwater.

​Water always flows downhill due to gravity

An area of land that drains all of its water into the same body of water.

​Any water that drains outside of the watershed divide will collect in a different watershed.

What is a watershed?

Water Pollution

Pollution happens when people dispose of waste or make land,water, or air dirty or unsafe for people or other living things.

When people add wastes or chemicals directly to water (water pollution)

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For example, point source pollution happens if a factory dumps chemcial wstes directly into a river or ocean.

​Point Source Pollution

When people add wastes or chemicals to air or land which is eventually washed into the water.

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For example, farmers add fertilizers to fields that get washed into a stream, river, or aquifer. Fertilizer harms living things.

​Non-point Source Pollution