Across
- 3. Study of living organisms
- 5. Group of atoms bonded together
- 9. Study of chemical processes in living organisms
- 15. Tiny, discrete units of energy
- 16. Rate of change of velocity
- 19. Process by which plants convert sunlight into energy
- 20. Speed in a given direction
- 21. Electromagnetic radiation with high energy
- 22. Distance light travels in one year
- 23. Distance between two consecutive points in a wave
- 25. Proposed explanation based on limited evidence
- 27. Central part of an atom
- 30. Study of celestial objects and the universe
Down
- 1. Large system of stars, gas, and dust
- 2. Breakdown of a substance into simpler components
- 4. Resistance to change in motion
- 6. Path followed by a celestial body around another
- 7. ENERGY Energy of motion
- 8. Study of matter and its properties
- 10. Theory of space, time, and gravity
- 11. Mathematical statement of equality
- 12. Produce a result or give way to an argument
- 13. Study of animals and their behavior
- 14. Solid material with a regular repeating pattern
- 17. All of space, matter, and energy
- 18. Push or pull on an object
- 24. Well-substantiated explanation based on evidence
- 26. SYSTEM Sun and all the objects that orbit it
- 28. PROPULSION Thrust generated by jet engines
- 29. Genetic material that carries hereditary information