Fred's rocks, minerals, and soil crossword
Across
- 3. rock sediments are deposited in a new area
- 5. a type of rock that is formed by the compaction and cementation of sediments
- 7. igneous rocks that form outside the Earth
- 9. molten rock that erupts onto the Earth's surface
- 15. a naturally occurring, inorganic solid with a specific chemical composition and crystal structure
- 16. the chemical composition of a rock is changed by natural causes
- 18. a soil mixture of sand, silt and clay
- 19. the uppermost layer of the Earth's surface, formed from weathered rock and organic matter
Down
- 1. the deepest layer in a soil horizon, made of weathered rock, and makes up the Earth's crust
- 2. igneous rocks that form inside the Earth
- 4. the physical appearance of a rock is changed by natural causes
- 6. made up of leaf litter and other organic materials lying on the surface of the soil
- 8. ingredients that provide food for growth or development
- 10. the ability to let water soak in
- 11. a naturally occurring, solid aggregate of one or more minerals, or a body of undifferentiated mineral matter
- 12. a diagram that shows how different types of rocks are formed
- 13. to rot or break down
- 14. a type of rock that is formed by the cooling and solidifying of lava or magma
- 15. a type of rock that is formed by intense heat and pressure
- 17. rock sediments are carried away