Across
- 4. Something that is changeable, not constant
- 5. Study of substances and their reactions
- 8. Taking notice
- 9. Study of living organisms
- 10. Degree of heat or cold
- 12. Ending
- 14. Curved surface of liquid
- 15. Something implied
- 16. Marked or gauged
- 18. Science of earth's crust
- 19. Space occupied by gas or liquid
- 20. Being safe
Down
- 1. Science of properties and interaction of matter and energy
- 2. To examine
- 3. Instrument for measuring temperature
- 6. A supposition made as a basis for reasoning
- 7. A large quantity, heap
- 11. Finding a size or quantity
- 13. Place used for scientific experiments and research
- 17. Necessary tools