About this video
This video explains how dams can trap dirt and sand called sediment. Over time, this sediment builds up in reservoirs and makes them smaller. The video shows us how this happens and why it's important.
🧠 Quiz & Trivia
Test your knowledge after watching!
Q1 What is the name for the dirt and sand that dams trap?
Answer: Sediment
Q2 What does sediment do in a river?
Answer: It helps create habitats for animals and plants.
Q3 What happens to a reservoir over time if it traps too much sediment?
Answer: It gets smaller.
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