Across
- 3. The study of the behavior and properties of matter
- 4. The study of animal life
- 6. The study of matter and energy
- 9. A compound that speeds up a chemical reaction
- 13. The study of heredity and variation
- 14. A change of a substance into a new one
- 15. The outer layer of the Earth
- 16. A substance that accelerates a reaction without being consumed
- 17. Genetic material that carries inherited information
- 18. A celestial body that orbits a star
- 20. The study of weather and atmosphere
- 22. A sudden shaking of the ground
- 24. The process by which plants make their food
Down
- 1. The study of the functions and structures of the brain
- 2. The force that attracts objects toward the center of the Earth
- 5. A theory explaining the structure of the universe
- 7. The observable physical or biochemical characteristics of an organism, determined by its genetic makeup
- 8. A section of DNA that codes for a specific protein or trait
- 10. The basic unit of all living things
- 11. The study of the stars and celestial bodies
- 12. The study of the Earth's physical structure
- 14. Substance that speeds up a chemical reaction
- 19. The process by which new species develop from pre-existing species over time
- 21. An individual's genetic makeup or genetic constitution
- 23. Substance that cannot be broken down further