River features and Flooding

Question 1

On a meander where is the fastest flow?

Answer 1

Outside the bend

Question 2

On a meander where does deposition occur?

Answer 2

Inside the bend

Question 3

How is a plunge pool formed?

Answer 3

Force of water hitting the rocks

Question 4

What is ledge of hard rock called on a waterfall?

Answer 4

Overhang

Question 5

When a waterfall retreats it forms a …

Answer 5

Gorge

Question 6

What named example of a waterfall have we studied?

Answer 6

Niagara Falls

Question 7

What two ways have people used waterfalls?

Answer 7

• Tourism

- Hydroelectric Power

Question 8

What is the flat area next to a river called?

Answer 8

Floodplain

Question 9

What is the Buff line?

Answer 9

Edge of a floodplain

Question 10

What is the key process that forms floodplains?

Answer 10

Deposition

Question 11

True or False

Levees are banks made of deposited material

Answer 11

True

Question 12

True or False

Levees are only naturally made

Answer 12

False

Question 13

What word is used when there is too much water in the soil and it cannot take anymore?

Answer 13

Saturation

Question 14

Give the 4 natural causes of flooding

Answer 14

• Prolonged rainfall (Raining for a long time)
• Heavy rainfall
• Steep relief (Steep slopes)
• Impermeable geology (rocks that don’y allow water to sink through it)

Question 15

Give 2 man made (human) causes of flooding

Answer 15

• Deforestation

- Urbanisation