Conserving Water
Fresh Water
General Water
Water Erosion
Pollution
100

One way that humans can conserve water?

What is...

- Turning of the faucet when not in use, watering plants at night, shorter showers, washing dishes/laundry with a full load, etc. 

100

Percent of salt water on Earth

What is 97%

100

Example of standing water.

What are lakes or ponds.

100

What is water erosion?

The wearing away of land by moving water.

100

What is water pollution?

What is harmful materials getting into water.

200

Why should humans conserve water?

What is it is a limited resource. (Only 1% of fresh water is on the surface.)

200

Percent of freshwater on Earth?

What is 3%

200
The movement of water from Earth's surface and air, changing from liquid to gas and back to liquid again.

What is the water cycle.

200

Example of flowing water.

What are rivers or streams.

200

What is a main thing that can pollute water?

What is trash, oil, or chemicals.

300

True or False: The water on Earth is decreasing?

What is False. (Water goes through the water cycle, it is not destroyed.)

300

Where can we get fresh water?

What is rivers, lakes, ground water, reservoirs, and streams. 
300

What happens to water that evaporates?

What is changes to a gas and goes into the atmosphere.

300

How does water erosion form arches in rocks?

What is water erodes the softer rock underneath harder rock, leaving an arch shape behind.

300

How do humans cause acid rain?

What is burning fossil fuels.

400

What is a river dam?

A barrier that holds water back.

400

Why is ground water important for living things?

Plants absorb the water through their roots. They need it to survive. 

400

All of Earth's liquid and solid water.

What is the Hydrosphere.

400

Famous land feature is formed by long-term water erosion from the Colorado River

What is the Grand Canyon

400

What might happen to a lake ecosystem if pollution enters the water supply?

What is fish and plants could die, water quality would decrease, and the ecosystem would become unbalanced.

500

Percent of fresh water that is in ice caps or glaciers?

what is 69%

500

What happens to lakes during long periods without rain?

What is water levels go down.

500

How does evaporation lead to precipitation?

What is water vapor condenses to form clouds.

500

Why can water erosion be a problem for farmers?

What is it washes away nutrient-rich soil needed to grow crops.

500

How can water pollution in one place become a problem in another place far away?

Moving water flows downstream or into other bodies of water.