Across
- 3. Sudden shaking of the ground
- 5. Device used to measure earthquakes
- 7. Red planet
- 8. Molten rock that flows on the surface
- 12. Rock formed from sediments
- 16. All water on Earth
- 18. Movement of Earths plates
- 20. Burning of fossil fuels
- 24. Pattern of stars in the sky
- 27. Frozen rain
- 28. Study of weather
- 30. Process plants use to make food
- 31. Plate boundary that moves apart
- 35. Rock formed by heat and pressure
- 36. Increase in Earths temperature
- 37. Energy from underground heat
- 38. Earths natural satellite
- 40. Bowl shaped top of a volcano
- 41. Plate boundary that collides
- 42. Long term change in climate
- 44. Release of magma from a volcano
- 46. Movement of rock by wind or water
- 49. Scientist who studies volcanoes
Down
- 1. Cutting down of trees
- 2. Opening where magma escapes
- 4. Solid materials from eruption
- 6. Largest planet
- 9. Innermost layer of Earth
- 10. Harmful gases in air
- 11. Thick layer below the crust
- 13. Rock formed from cooled lava
- 14. Path of a planet around the sun
- 15. Giant ball of hot gas in space
- 17. Center star of our solar system
- 19. Layer of Earth where we live
- 21. All living things on Earth
- 22. Breaking rocks into smaller pieces
- 23. Layer of gases around Earth
- 25. Protects Earth from UV rays
- 26. Hottest planet
- 28. Scientist who studies weather
- 29. Trapped heat in Earths atmosphere
- 32. Moving air
- 33. Related to earthquakes
- 34. Volcanic ash cloud
- 39. Plate boundary that slides past
- 43. Force that pulls objects toward Earth
- 45. Molten rock beneath Earths surface
- 47. Water from clouds
- 48. Planet with rings