Lesson 1
Lesson 2
Lesson 3
Lesson 4
Lesson 5 and 6
100

Water that falls to Earth as rain, snow, hail, or sleet.

What is precipitation?

100

Streams and smaller rivers that feed into the main river.

What is tributary?

100

An underground layer of premable rock or sediment that holds water and allows it to flow.

What is aquifer?

100

The total amount of dissolved salts in a sample of water.

What is salinity?

100

The movement of energy through a body of water.

What is a wave?

200

When water moves between land, living things, bodies of water, and the atmosphere.

What is the water cycle?

200

A river and all the streams and smaller rivers that flow into it together make up a river system.

What is a river system?

200

Bringing up water from underground.

What is a artesain well?

200

Depending on the season water tempature changes.

What is tempature chagne?

200

WInd blowing across the water.

What is the formation of waves?

300

The percentage of fresh water on Earth.

What is 3 percent?

300

When water collects in hollows and low-lying areas of land.

What is the formation of Pounds and Lakes?

300

The top of the saturated zone.

What is a water table?

300

A major advance in ocean-floor mapping.

What is sonar?

300

The number of waves that pass a point in a certain amount of time.

What is frequency?

400

Dirty rivers in America.

What is the Ohio River, Missipi River, Tennessee River, and New River?

400

Lakes formed in depression.

What is the Great Lakes?

400

Connected pores.

What is preamble?

400

A volcanic mountain rising from the ocean floor that doesn't reach the top.

What is seamount?

400

A large stream of moving water that flows through the ocean.

What is current?

500

The clearest lake in the United States.

What is Lake Tahoe?

500

A lake that stores water for humans.

What is a resovoir?

500

Cracked granite.

What is impreable?

500

A broad area covered with thick layers of mud and slit.

What is abyssal plain?

500

Affects water depth.

What is the effect of Surface currents.