Across
- 1. the soft layer of the mantle on which the tectonic plates move
- 5. a measure of the amount of dissolved salts in a given amount of liquid
- 6. the trace or remains of an organism that lived long ago
- 11. the continuous movement of water between the atmosphere, land, oceans, and living things
- 13. a natural inorganic solid that has a characteristic chemical composition and orderly internal structure
- 15. a mixture of gases that surrounds a plant/moon/celestial body
- 17. the supercontinent that formed 300 million years ago
- 20. the layer of rock between Earth's crust and core
- 21. the process by which rock is reduced in size by the scraping action of other rocks
- 23. a resource that cannot be replaced in a single human lifetime
- 24. the curving of the path of a moving object from an otherwise straight path due to Earth's rotation
- 25. an area of the shoreline that is made up of deposited sediment
- 27. the movement of deep, cold and nutrient-rich water to the surface
- 28. the wise use of and preservation of natural resources
- 29. the spin of a body on its axis
- 31. the boundary between two tectonic plates that are moving away from each other
- 32. a shadow that blocks sunlight
- 34. type of rock that forms when magma cools and solidifies
- 37. the weather conditions in an area over a long period of time
- 38. the boundary between air masses of different densities and temperatures
- 39. the natural process by which atmospheric and environmental agents decompose rocks
Down
- 2. dark-organic material formed in soil from the decayed remains of plants and animals
- 3. an event in which the shadow of one celestial body falls on one another
- 4. the water that is beneath Earth's surface
- 7. the distance from any point on a wave to the corresponding points on consecutive waves to pass at a given point
- 8. the point at which the sun is as far north or as far south of the equator as possible
- 9. the scientific study of Earth's atmosphere, in relation to weather and climate
- 10. a solid layer of Earth that contains iron and nickel
- 12. a tide of minimum range that occurs during the 1st and 3rd quarters of the moon
- 14. a relatively large spherical body that orbits a star
- 16. a collection of stars/dust/gas bound together by gravity
- 18. the molten or partially molten rock material containing trapped gases produced under Earth's surface
- 19. a destructive, rotating column of air that had very high wind speeds
- 22. the motion of a body that travels around another body in space
- 26. a sun-centered universe
- 30. the theory that all matter and energy in the universe was compressed into an extremely small volume then exploded and began expanding in all directions
- 33. a naturally occurring solid mixture of one or more minerals or organic matter
- 35. the transfer of energy as heat through a metal
- 36. the movement of air over short distances