Muddy coast builders
Age 11 · Environmental Science
A river carries tiny grains of mud and sand down to the sea. Ocean currents push that mud along the shore, where it settles and slowly makes new muddy ground.
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Age 11: open this week
Browse Age 11In the picture
- the muddy water spreading from the river mouth
- the brown band of mud drifting along the shore
- a young tree growing in the fresh mud
Examples
- Mud left on a path after a heavy rainstorm.
- Sand piling up in a river bend after a flood.
Key takeaways
- Rivers carry mud and sand into the sea.
- Where the current slows down, mud settles and new ground forms, and mangroves can root there.
Quiz: Muddy coast builders (Age 11)
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What does a river carry to the sea that helps make new muddy coasts?
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What moves the mud along the shore so it can settle and build new ground?
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Why can a young mangrove tree grow on the new muddy coast?
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