Water Cycle
What provides the energy for the water cycle?
The sun
Rivers that have low gradients, flat floodplains, and many meanders are considered _________ rivers.
old
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.
Fast-flowing rivers that have rapids and waterfalls, and usually are narrow and deep are known as _________ rivers.
youthful
What is the land that is drained by a river system called?
When a group of streams and rivers drain an area of land, they are known as _______________-
river systems
The load that bounces along the bottom of a stream is called a:
a. suspended load
b. bed load
c. dissolved load
b. bed load
What happens when water vapor cools and changes into liquid water drops, forming clouds?
Condensation
Rivers that carry large amounts of water, have eroded rock and soil to make wide channels, and often have tributaries are _________ rivers.
mature
Watersheds that are separated from each other by areas of higher ground create a ____________
divide
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
rejuvenated
What is the material carried by a stream called?
a load
The amount of water that flows in a stream during a given time is called the ___________
discharge
What is another word for rain, snow, sleet, or hail?
precipitation
What happens when water moves through the soil because of gravity?
Percolation
What determines how much load or sediment can be carried by a river?
a. how old it is
b. how deep it is
c. how fast moving it is
c. how fast moving it is
The path that a stream follows is called a ________
channel
What is the biggest watershed in the United States
The Mississippi Watershed
What force has changed Earth's surface the MOST over time?
water