Ch 2.4 Droughts and Floods

Question 1

Drought

Answer 1

An area experiences a long period of scarce rainfall.

Question 2

Flash Flood

Answer 2

A sudden, violent flood that occurs within a few hours, or even minutes, of a storm.

Question 3

Levees

Answer 3

Sediments deposits build up into long ridges.

Question 4

What causes drought?

Answer 4

A long period of scared rainfall

Question 5

Can drought be predicted?

Answer 5

It is difficult to predict drought

Question 6

How to prepare drought?

Answer 6

1. Conserve water
2. Plant drought-resistant plants
3. Save water in reservoirs

Question 7

What are the effect of drought?

Answer 7

1. Plants and animal die; widespread famine (no food)

2. More fire because it is dry

Question 8

Can drought be controlled?

Answer 8

Little can be done to control drought, but we can conserve water to prepare for drought

Question 9

What caused flood?

Answer 9

1. Too much rainfall

2. Fast melting of snow

Question 10

Can flood be predicted?

Answer 10

Yes, we can use weather satellite to predict flood

Question 11

How to prepare and control for flood?

Answer 11

1. Building dams in areas that are likely to have floods
2. Sediments are deposited alongside the river over time, and build up levees to keep water inside the river banks. We can strengthen the levees with sandbags.

Question 12

What are some flood safety?

Answer 12

1. Move uphill
2. Get out of cars
3. Watch out for utility lines
4. Watch out for mudslides
5. Watch out for water pollution after the flood