Distinguish breaking, moving and settling earth materials
The idea
Weathering breaks earth materials into smaller pieces.
Step by step
- Weathering breaks earth materials into smaller pieces.
- Erosion carries material to another place.
- Deposition happens when carried material settles.
Example
Water freezes in a rock crack and helps split a piece off. Which process breaks the rock?
Answer
weathering
The rock is broken into smaller pieces in place.
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With an adult, use a shallow tray of sand and a little water to observe moving grains and a new deposit; keep all material in the tray.
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