Across
- 5. law that sequences a geographical history of Earth
- 6. law that matter cannot be created or destroyed
- 7. theory about the smallest unit of all living and non-living substances
- 8. describes what scientists expect to happen
- 9. can change because of new evidence
- 10. theory about the basic unit of all life
Down
- 1. theory about the movement of Earth's crustal plates
- 2. theory about living things evolving from earlier species
- 3. law that energy cannot be created or destroyed
- 4. law that every object in the universe attracts every other object