Water Cycle
Soil Horizons
Vocabulary
River Systems and Features
Miscellaneous
100

What provides the energy for the water cycle?

The sun

100

THIS LAYER CONTAINS MOSTLY UNWEATHERED SOLID ROCK AND IS THE BOTTOM LAYER THAT IS STILL CONSIDERED SOIL

Horizon C

100

What occurs when wind, water, ice, and gravity moves soil and rock from one place to another

erosion

100

A river is a stream that has many _______________.

tributaries

100

Which river was carved by erosion and winds through the Grand Canyon?

Colorado River

200

What is the definition of the water cycle?

The nonstop movement of water between the air, land, and oceans.

200

THIS HORIZON IS MADE OF DECAYING LEAVES, TWIGS AND ANIMAL REMAINS/WASTES...... 

O horizon

200

What is the land that is drained by a river system called?

a watershed
200

When two streams meet to form a bigger stream, it is known as a _____________.

confluence

200

The start of a river is called the what?

river source

300

What happens when water vapor cools and changes into liquid water drops, forming clouds?

Condensation

300

RICH IN MINERALS, SUCH AS IRON AND ALUMINUM.......

B horizon

300

Watersheds that are separated from each other by areas of higher ground create a ____________

divide/ boundary

300

What is the measure in the change in the height of a stream over a certain distance called?

gradient

300

Which is NOT something that affects a river over time? a. weather, b. gradient, c. living things in river, d. surroundings

c. living things in the river

400

What happens when water on Earth is heated by the sun and changes into water vapor?

Evaporation

400

WHAT IS HORIZON R ALSO CALLED.......

bedrock

400

What is the material carried by a stream called?

a load

400

the flat land on both sides of a stream, into which the stream’s extra water spreads during a flood.

floodplain

400

What is another word for rain, snow, sleet, or hail?

precipitation

500

What happens when water moves through the soil because of gravity?

Percolation

500

WHAT LAYER IS TOPSOIL FOUND IN........

 horizon A

500

When part of a river is cut off and a moon-shaped lake is left behind, it is called a...

oxbow lake

500

What is the biggest watershed in the United States

The Mississippi Watershed

500

What erosional force has changed Earth's surface the MOST over time?

water