Across
- 3. Tectonics Theory explaining earthquakes and mountain formation
- 7. Material that allows electricity to flow
- 8. Force that keeps your feet on the ground
- 11. Artificial watering of crops
- 12. Force that slows moving objects when they rub together
- 16. Unfair opinion formed without facts
- 18. Study of human history through artifacts
- 19. Comparison using “like” or “as”
- 20. Distance north or south of the equator
- 23. Main character in a story
- 25. Prediction tested by experiment
- 26. Cold, treeless biome with frozen soil
- 27. Community of living things interacting with their environment
- 28. Complete orbit around another object, or a political uprising
- 29. Height above sea level
- 31. Comparison that says one thing is another
- 32. Imaginary line dividing Earth into two halves
- 33. Bending of light as it passes through water or glass
Down
- 1. Person who moves from place to place without a permanent home
- 2. Process by which plants make food from sunlight
- 4. Cold-blooded animal that lives both on land and in water
- 5. Advanced society with cities, government, and culture
- 6. When one side matches the other exactly
- 9. Repetition of the same starting sound in words
- 10. Lines that never meet
- 13. Fertile spot in a desert
- 14. Control center of a cell
- 15. Substance made of two or more elements
- 17. When one celestial body blocks the light of another
- 21. Process of rocks and soil being worn away by wind or water
- 22. Remains or impression of a prehistoric organism
- 24. Government where citizens have power through voting
- 30. System of organisms and their environment working together