What provides the energy for the water cycle?
The sun
THIS LAYER CONTAINS MOSTLY UNWEATHERED SOLID ROCK AND IS THE BOTTOM LAYER THAT IS STILL CONSIDERED SOIL
Horizon C
What occurs when wind, water, ice, and gravity moves soil and rock from one place to another
erosion
A river is a stream that has many _______________.
tributaries
Which river was carved by erosion and winds through the Grand Canyon?
Colorado River
What is the definition of the water cycle?
The nonstop movement of water between the air, land, and oceans.
THIS HORIZON IS MADE OF DECAYING LEAVES, TWIGS AND ANIMAL REMAINS/WASTES......
O horizon
What is the land that is drained by a river system called?
When two streams meet to form a bigger stream, it is known as a _____________.
confluence
The start of a river is called the what?
river source
What happens when water vapor cools and changes into liquid water drops, forming clouds?
Condensation
RICH IN MINERALS, SUCH AS IRON AND ALUMINUM.......
B horizon
Watersheds that are separated from each other by areas of higher ground create a ____________
divide/ boundary
What is the measure in the change in the height of a stream over a certain distance called?
gradient
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
What happens when water on Earth is heated by the sun and changes into water vapor?
Evaporation
WHAT IS HORIZON R ALSO CALLED.......
bedrock
What is the material carried by a stream called?
a load
the flat land on both sides of a stream, into which the stream’s extra water spreads during a flood.
floodplain
What is another word for rain, snow, sleet, or hail?
precipitation
What happens when water moves through the soil because of gravity?
Percolation
WHAT LAYER IS TOPSOIL FOUND IN........
horizon A
When part of a river is cut off and a moon-shaped lake is left behind, it is called a...
oxbow lake
What is the biggest watershed in the United States
The Mississippi Watershed
What erosional force has changed Earth's surface the MOST over time?
water