Earth and Space Science: Earth Resources Collection
Across
- 2. The laying down of sediment carried by wind, flowing water, the sea or ice.
- 3. A non living part of an ecosystem.
- 6. A nonpolar substance that is a viscous liquid at ambient temperatures
- 7. A fossil energy source that is formed deep beneath the earths surface
- 9. A granular materials composed of finely divided rocks and minerals
- 13. Is a loose material that covers most land
- 15. A liquid or frozen that forms in the atmosphere and falls back to earth.
- 16. The path the water follows as it moves around the earth.
- 21. A chemical reaction that mixes carbon dioxide, gas and water.
- 22. The matter that settles to the bottom of the liquid
- 23. The wearing away of the land by forces such as: Water, wind, and air
- 26. Laying down of sediment carried by the wind.
- 27. Organisms in the planta kingdom.
- 28. Hard substances formed of minerals matter
Down
- 1. Hydro electric power
- 4. An energy source that is able to supply a continuing source of clean energy.
- 5. Coal, natural gas, oil, and nuclear energy are all examples of this.
- 8. When natural resources are preserved.
- 10. A natural fuel like coal or gas.
- 11. A physical material that humans need and value, such as: land, air and water
- 12. An organism in the Animalia kingdom.
- 14. Elements that are good conductors of heat and electricity
- 16. The breaking down or dissolving of rocks and minerals
- 17. Natural light
- 18. A blackish-brown sedimentary rock, formed as rock strata
- 19. The process of collecting and processing materials that are going to be thrown away.
- 20. An invisible mixture of odorless tasteless gases.
- 24. Renewable organic materials that come from plants and animals
- 25. A living component of a ecosystem.