Across
- 4. Basic building block of the nervous system.
- 6. Electromagnetic radiation used in imaging and treatment in medicine.
- 8. Form of energy resulting from the existence of charged particles.
- 9. Relating to the sun or utilizing its energy.
- 11. Study of genes, heredity, and genetic variation.
- 14. Branch of physics dealing with heat and temperature.
Down
- 1. Branch of physics dealing with subatomic particles and their interactions.
- 2. Molecule carrying genetic instructions for the development, functioning, growth, and reproduction of all known organisms.
- 3. Force that attracts objects toward each other.
- 5. Substances used to kill or inhibit the growth of bacteria.
- 7. Einstein's theories of special and general relativity.
- 10. Well-substantiated explanation of some aspect of the natural world.
- 12. Process of change in all forms of life over generations.
- 13. Basic unit of a chemical element.
- 15. Instrument used to see objects that are too small for the naked eye.