Nature & science · Age 11 · Quarter 4 – Human Impact, Technology & Responsible Choices
Building Dams: Benefits and Environmental Costs
Analyse the benefits and environmental costs of building dams.
Module
Quarter 4 – Human Impact, Technology & Responsible Choices
Age
Age 11
Duration
10 min
Questions
5
What's in this exercise
Answers are hidden — sign up to practise and check your work.
Question 1
Multiple choice
Which of the following is a benefit of building a large dam?
Question 2
Multiple choice
How does building a dam affect fish like salmon?
Question 3
Multiple choice
What happens to communities living in the area that becomes a reservoir when a dam is built?
Question 4
True or false
Dams can cause downstream ecosystems to suffer because they reduce sediment and nutrient flow in rivers.
Question 5
Matching
Match each dam impact to whether it is a benefit or a cost.