Geography Revision

Question 1

What are the negatives of damming?

Answer 1

1. Displaces People: Can force people to move from their homes if a new dam is built.
2. Harms Ecosystems: Changes the natural flow of rivers, affecting plants and animals.
3. Expensive: Building and maintaining dams can be very costly.

Question 2

What are the positives of damming?

Answer 2

1. Creates Electricity: Dams can generate hydroelectric power, a clean energy source.
2. Water Supply: Provides water for drinking, farming, and other uses.
3. Flood Control: Helps control and prevent flooding by managing water flow.

Question 3

What are the negatives of dredging?

Answer 3

1. Harms Wildlife: Can destroy habitats for fish and other animals living in the river.
2. Expensive: Costs a lot of money to do and maintain.
3. Temporary Fix: Silt and debris can quickly build up again, needing more dredging.

Question 4

What are the positives of dredging?

Answer 4

1. Improves Navigation: Helps boats and ships move easily by making rivers and harbours deeper.
2. Prevents Flooding: Can reduce the risk of flooding by removing silt and debris from riverbeds.
3. Supports Construction: Provides materials like sand and gravel for building.

Question 5

What is a flood?

Answer 5

A flood is a large amount of water that has either overflowed from dams, formed by loads of rain or someone letting too much water out of the dams. It is when the water coves land that is usually dry. There are 3 types of floods: Flash flood, Slow onset flood and Fast onset flood.

Question 6

What are the Social, Economic, and Environmental positives of dredging?

Answer 6

Social: The rivers and stuff are deeper, so it prevents flooding in the houses near rivers.

Economic: It helps to keep the rivers deep enough for big ships to pass through, which is important for trade.

Enviromental: It removes silt and dirty things out of the river, making it cleaner for marine species.

Question 7

What is the definition of Social Impacts?

Answer 7

How something impacts the way people live or play.

Question 8

What is the definition of Economic Impacts?

Answer 8

How something impacts jobs, money and businesses.

Question 9

What is the definition of Enviromental Impacts?

Answer 9

How something impacts the natural world and the environment.