Force of Moving Water
What is kinetic energy?
Energy an object has due to its motion
What are 4 main examples of mass movement?
landslide, slump, creep, mudflow
How are deltas developed.
Through deposition.
What happens to a river when you increase the volume of flow?
it speeds up
What is figure D on the River and Streams diagram on your study guide?
delta
What is load?
amount of sediment that a river carries
What force causes mass movement?
Gravity
What is erosion?
When wwwgg move sediment
Why do big rocks get smaller as they are pushed down a streambed?
They get abraded by the streambed
What is figure E on the River and Streams diagram on your study guide?
meander
What enables water to do work?
Energy
What do the WED cycle do to the Earth's surface?
Wear it down and build it up
What is figure A on the River and Streams diagram on your study guide?
waterfall
Which factors increase a water's ability to erode?
Slope, Volume of Flow, Streambed shape
What is figure F on the River and Streams diagram on your study guide?
oxbow lake
How do sand-sized particles move in a fast-flowing river?
suspended in water
What is deposition?
When agents of erosion lay down sediment
What is figure B on the River and Streams diagram on your study guide?
tributary
Which two factors have the MOST impact on a river's ability to erode?
Slope and Volume of Flow
True or False: Sediment in a river abrades the streambed and is abraded by the streambed in return.
True
What happens to energy as gravity pulls water down a slope?
potential energy changes to kinetic energy
What are the five agents of erosion?
wind, water, waves, gravity, glaciers
What is figure C on the River and Streams diagram on your study guide?
drainage basin
What causes sediment to wash or fall into a river?
1. Mass movement
2. Runoff
True or false:
Friction and turbulence increase a river's ability to erode.
False - They slow the water down and DECREASE its ability to erode.