Across
- 3. something you notice using any of the 5 senses
- 5. a thick sheet of rock formed from the same material
- 6. to press together
- 8. a proposed answer to a question
- 10. something you figure out based on observations and information you already know
- 12. all the living and nonliving things in an area
- 13. a clue about life from the past that is preserved in rock
Down
- 1. a scientist who studies the processes and materials that form the solid part of Earth
- 2. information that supports an answer to a question
- 4. small pieces of rock, such as silt or sand
- 7. the use of evidence to say why one idea is best
- 8. to stick together in the process of forming rock
- 9. a type of rock formed from sediment that compacts and cements over time
- 11. something scientists make to answer questions about the real world