Across
- 2. - Ability to do work or cause change
- 6. - Science of substances and their reactions
- 10. - Study of living organisms and life processes
- 11. - Tool to see very small objects clearly
- 12. - Negatively charged particle in an atom
- 13. - Proposed explanation made on limited evidence
- 15. - Smallest unit of a chemical element
Down
- 1. - Careful study to discover new knowledge
- 3. - Study of genes and heredity
- 4. - Mountain that erupts molten rock and ash
- 5. - Device for viewing distant stars and planets
- 7. - Process of change in species over time
- 8. - Force applied per unit area
- 9. - Force that pulls objects toward a planet
- 14. - The sun and all objects orbiting it