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5-3 Forces of Moving Water
Chapter 5 Section 3
14
Science
6th Grade
01/07/2009

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Term
energy
Definition
the ability to do work or cause change
Term
What kind of energey is energy stored for later use?
Definition
potential energy
Term
In what ways can sediment enter a river?
Definition
Most sediment washes or falls into rivers as a result of mass moventment and runoff. Other sediment erodes from the bottom or sides of the river.
Term
abrasion is
Definition
the wearing away of rock by a grinding action
Term
load is
Definition
the amount of sediment that a river carries is its flow
Term
what 3 things does a river's power to erode depend on?
Definition
1. river's slope 2. volume of flow 3. shape of it's stream bed
Term
does this factor increase or decrease the speed of a river: steep slope
Definition
increase speed of river
Term
does this factor increase or decrease the speed of a river? gentle slope
Definition
decrease speed of river
Term
does this factor increase or decrease the speed of a river? shallow streambed
Definition
decrease speed of river
Term
does this factor increase or decrease the speed of a river: deep streambed
Definition
increase speed of river
Term
does this factor increase or decrease the speed of a river: boulders in streambed
Definition
decrease speed of river
Term
how does the volume of the river impact it's speed
Definition
less fristion and moves with more force
Term
where does a river erode sediment as it flows around the curve?
Definition
erodes from the outside curve (see drawing)
Term
where does a river deposit sediment as it flows around the curve?
Definition
river deposits sediment on the inside turn (see drawing)
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