Across
- 4. an organism that makes its own food
- 6. when light bends and changes directions
- 8. landform formed by the deposition of sediments at the mouth of a river
- 9. state of matter with definite shape and volume
- 12. plants, animals, and bacteria
- 14. a structure that helps animals dig in the sand
- 16. the breaking down of exposed rock by wind, water and ice
- 18. fuels, coal, oil and natural gas
- 21. the act of moving something away from you
- 22. block of ice that makes a U-shaped valley
- 24. when an object is more dense it _____________
- 25. setting down of weather and eroded materials
- 26. process of binding and hardening of sediments into hard rock
- 27. forms when a river carves out a deep gorge in a rock
- 28. water, air, rocks, temperature, soil, sunlight
- 29. an organism that eats plants and animals only
Down
- 1. energy related to the temperature of an object
- 2. energy of motion
- 3. an individual plant or animal
- 5. state of matter with definite volume and takes the shape of its container
- 7. movement of weathered materials
- 10. the act of moving something towards you
- 11. dune, large mass of sand made by wind blowing
- 13. state of matter with no definite volume or shape
- 14. allows energy to flow easily
- 15. when an object is less dense it ______________
- 17. when light bounces back in the opposite direction
- 19. the center of the solar system made of gas
- 20. does not allow energy to flow
- 23. the reduction of size of sediments by the pressure of rocks and soil