Deck 1 Flashcards

1
Q

What does Erosion mean

A

The wearing away and removal of rocks

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2
Q

What does abrasion mean

A

rocks grind along the river bed like sandpaper

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3
Q

what does Attrition mean

A

Rocks being smashed together and break into rounder particles

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4
Q

hydraulic action meaning

A

the sheer force of the river make cracks in the banks

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5
Q

solution meaning?

A

soluble particles on the bed and banks are dissolved by weak acids in the water

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6
Q

What does transport mean

A

Transport is the movement of material across the earth’s surface

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7
Q

what does Traction mean

A

Larger fragments of material are rolled along the river bed

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8
Q

Salation meaning?

A

large fragments are bounced along the river bed

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9
Q

suspension meaning?

A

smaller fragments are carried in the flow of the river

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10
Q

what does Depositionis mean

A

When the river doesn’t have enough energy to transport material and drops it

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11
Q

what is transport

A

transport is the movement of material across the earth’s surface

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12
Q

What is a source

A

the source is where the river starts

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13
Q

what is the mouth

A

the mouth is where the river meets the sea

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14
Q

what happens when we move downstream in a river

A

it gets longer and wider

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15
Q

what does discharge mean

A

Discharge is the technical term for the amount of that a rivet is carrying at a given point

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16
Q

where does the additional water come from

A

As you move further downstream the river has collected rainwater from a larger proportion of the drainage basin