Third Grade Science Words

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Across
  1. 3. cycle the cycle of processes by which water circulates between the earth's oceans, atmosphere, and land
  2. 5. attraction electric currents as well as magnets
  3. 7. phases rises with the side that faces Earth fully exposed to sunlight
  4. 8. prevention of wasteful materials
  5. 10. effects indicate adverse effects produced by poisons
  6. 13. take note of or detect
  7. 15. an animal's young
  8. 16. layers of gases surrounding the planet
  9. 17. cycle the series of changes in the life of an organism
  10. 18. the state of being on or moving
  11. 20. rain, snow, sleet, or hail that falls to the ground
  12. 21. change reversible change in the physical properties of a substance
  13. 22. resources materials or substances such as minerals, forests, water
  14. 24. an individual animal, plant, or single-celled life form
  15. 25. physical substance
Down
  1. 1. no longer in existence
  2. 2. the action of rotating around an axis or center
  3. 3. worn away or altered by long exposure to the air
  4. 4. method systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses
  5. 6. the process by which green plants and some other organisms use sunlight
  6. 9. system the collection of eight planets and their moons in orbit around the sun
  7. 10. an animal that naturally preys on others
  8. 11. features formation or geological formation
  9. 12. strength or energy as an attribute
  10. 14. conserved quantity
  11. 19. the presence in or introduction into the environment of a substance or thing that has harmful
  12. 20. properties characteristic of matter that can be observed and measured without changing the chemical identity
  13. 23. an animal that is hunted and killed by another for food