Geography Key Terms Test 2

Question 1

River basin

Answer 1

Area from which a river collects its water.

Question 2

Watershed

Answer 2

Boundary of a river basin (usually high land)

Question 3

Source

Answer 3

Start of a river

Question 4

Mouth

Answer 4

End of a river (usually lake or sea)

Question 5

Confluence

Answer 5

Where 2 rivers join

Question 6

Tributary

Answer 6

Smaller stream of a river, coming off the main channel

Question 7

Channel

Answer 7

Main flow of the river

Question 8

Erosion

Answer 8

Wearing away of material

Question 9

Transportation

Answer 9

Movement of material

Question 10

Deposition

Answer 10

Where material is dropped/put down

Question 11

Hydraulic action

Answer 11

Force of air into cracks which widens them

Question 12

Attrition

Answer 12

Material hitting together and breaking into smaller pieces

Question 13

Abrasion

Answer 13

Material rubbing against the river bed/banks

Question 14

Corrasion/solution

Answer 14

Chemicals in water dissolving rock

Question 15

Traction

Answer 15

Large boulders roll along

Question 16

Saltation

Answer 16

Smaller pebbles bounce along

Question 17

Suspension

Answer 17

Small material floats in the water

Question 18

Solution

Answer 18

Smallest of material is dissolved