Drainage Basin Quiz

What is a drainage basin?

• A system of rivers and streams that collect water from an area

• A high spot like a mountain where water collects

• The starting point of a river

• A smaller stream that joins the main river

What are tributaries?

• Smaller streams and creeks that join the main river

• The boundaries of the drainage basin

• The natural features of the land

• The area where all the water comes together

What is a confluence?

• When the main river releases water into a bigger body of water

• When the water flows downhill

• When the tributaries join the main river

• When the water collects at the source

What is a watershed?

• The starting point of a river

• The area where all the water comes together

• A smaller stream that joins the main river

• The boundaries of the drainage basin

What directs water towards the central river?

• The natural features of the land

• The area where all the water comes together

• The starting point of a river

• A smaller stream that joins the main river

Where does the river release all the water it has collected?

• At the source

• At the confluence

• At the mouth

• At the watershed

Why is understanding drainage basins important?

• To organize the flow of water in nature

• To prevent floods

• To protect ecosystems

• All of the above

What is the main purpose of a drainage basin?

• To carry rainwater or melted snow from one place to another

• To collect water at the source

• To join smaller streams and creeks

• To release water into a bigger body of water

What is the starting point of a drainage basin?

• A high spot like a mountain where water collects

• A smaller stream that joins the main river

• The boundaries of the drainage basin

• The area where all the water comes together

What happens when tributaries come together with the main river?

• The main river keeps flowing and collects more water

• The main river releases water into a bigger body of water

• The main river flows uphill

• The main river splits into smaller streams