SCIENCE SMART!!

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Across
  1. 2. the red planet
  2. 3. fast moving air
  3. 4. animal on top of food chain
  4. 6. attracts everything towards earth
  5. 7. chew the cud
  6. 8. breathing organ of fish
  7. 9. ultimate source of energy
  8. 10. force that stops moving object
Down
  1. 1. the planet with maximum rings
  2. 3. exists in all three forms of matter
  3. 5. motion of earth that causes day and night
  4. 7. traps solar energy
  5. 9. smallest organ in human body