Across
- 4. Energy emitted in the form of waves or particles.
- 5. Transfer of pollen from male to female parts of flowers.
- 6. Theory explaining the movement of Earth's lithospheric plates.
- 8. Visible surface layer of the sun.
- 9. Subatomic particle with no charge found in the nucleus.
- 13. Green pigment in plants that captures sunlight for photosynthesis.
- 15. Preserved remains of ancient organisms.
- 16. Essential gas for respiration in most living organisms.
- 18. Microscopic single-celled organisms, some beneficial, some harmful.
- 20. Natural phenomenon where living organisms produce light.
- 22. Molecule carrying genetic information in living things.
- 23. Fundamental theory in physics explaining the behavior of matter on a very small scale.
- 24. Force exerted by magnets when they attract or repel each other.
- 26. Community of living organisms interacting with their environment.
Down
- 1. Force that attracts objects toward each other.
- 2. Mountain that erupts molten rock, ash, and gases.
- 3. Process by which plants convert sunlight into energy.
- 7. Bright streak of light produced by a meteoroid entering Earth's atmosphere.
- 10. Theory explaining how species change over time.
- 11. Process by which soil and rock are removed from the Earth's surface.
- 12. Fundamental unit of life, building block of all organisms.
- 14. Natural environment where an organism lives.
- 17. Large ocean wave caused by underwater earthquakes or volcanic eruptions.
- 19. Long-term average of weather conditions in a region.
- 21. Process of forming solid crystals from a solution.
- 25. Basic unit of matter, consists of protons, neutrons, and electrons.