Across
- 6. earths surface changes by chemical reaction
- 7. chemical reaction, that occurs when carbonic acid reacts with certain minerals
- 9. process where weathered rock and soil are transported from one place to another
- 10. breaking down earths surface either by a chemical reaction or a physical mean
Down
- 1. when a new material is made by oxygen reacting with another substance
- 2. the broken down pieces of a rock
- 3. heating and cooling of rocks causing them to flake or peel
- 4. earths surface broken down by physical means
- 5. process of putting down material eroded away from another place
- 8. repeated freezing and thawing causing the rock to break apart