1. The whole world is with rocks. 2. Rocks have / have never been melted or molten at some time.
3. Bubbles / Lines in some rock were formed by chemical reactions in the rock when cool.
4. Wind and moving over the surface break rock down into sand.
5. Soil comes from which comes from rocks.
6. Igneous rocks come from the word meaning fire.
7. Sedimentary rock has layers because sand / boulders are washed downstream and settle on the bottom.
8. rock is a combination of the other two and has changed into new rock.
9. Rock can change into sand and sand can then change into over many years.
10. in farmland has a lot of living things in the top layer or horizon.
11. A huge flood happened in Washington State when a(n) broke.
12. Only water / several things can change the shape of the land.
13. Diamonds are the substance known to us.
14. Rocks are formed by wind, heat, and water and change from one type into another.
15. Sedimentary rocks are made from sand and compressed under heat and pressure.