Across
- 2. In an investigation, you want it to be a ____ test (4)
- 4. A form of weathering, an example of which is acid rain (8)
- 6. Small pieces of rock or other hard material that has been broken down over time (8)
- 8. A form of weathering, an example of which is when water freezes in a rock, and the expansion causes the rock to break (8)
- 11. The person who asks the teacher for help in a science investigation (7)
- 13. The process of breaking rocks into smaller pieces (10)
- 14. Using this type of evidence scientists knew that the land covering the Earth had once been all joined together (6)
- 15. The person who keeps the group on track in a science investigation (8)
- 17. The inner layer of the Earth (9)
- 19. Covers most of the world (5)
- 20. We make these in investigations, after we've decided what we'll be investigating (10)
Down
- 1. The person who collects all the equipment in a science investigation (7)
- 3. The outer layer of the Earth (4)
- 5. The layer of the Earth beneath the Crust (6)
- 7. Movement of sediment from one location to another (7)
- 9. A scientist who studies rocks (9)
- 10. The layer of the Earth that wraps around the Inner Core (9)
- 12. Acids, decaying plants and water can cause this (10)
- 16. Studied by geologists, weathering affects this (9)
- 18. Caused by wind, water and ice (7)