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Earth's landforms change constantly.
Over time, the Earth's rocks get broken down into smaller pieces. This process is called _________________
When weathered rock is carried away to another location, it is called...
A river drops sediment at it's mouth, forming a delta.
A delta is formed by the process of...

What are two things that cause erosion?
What is the difference between weathering and erosion?
Volcanoes can be both destructive and constructive forces.
A home has a sloping backyard. The family puts in walls made of large boulders halfway down the hill. Why would they need to build that rock wall?
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What causes erosion? Select all that apply
Drag each landform type to the cause.
A delta forms at the mouth of a river.
A sand dune forms in the desert.
A canyon forms.
A trench is carved out.
Water
Wind
Ice