Science

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Across
  1. 2. – The basic building block of living things
  2. 6. – Harmful substances in the environment
  3. 7. – When a liquid turns into a gas
  4. 8. – The gas we breathe to stay alive
  5. 10. – It attracts iron and steel
  6. 12. – What your body does to break down food
  7. 16. – A living thing that makes its own food using sunlight
  8. 17. – Powers your lights and gadgets
  9. 18. – A push or a pull
Down
  1. 1. – Evidence of ancient plants or animals found in rocks
  2. 2. – A path for electricity to flow
  3. 3. – The place where an organism lives
  4. 4. – Needed to make things move or work
  5. 5. – A natural object that orbits a planet
  6. 6. – A nutrient used for growth and repair
  7. 9. – A force that slows things down
  8. 11. – A force that pulls objects toward the Earth
  9. 13. – A liquid that dissolves substances
  10. 14. – A substance with a pH less than 7
  11. 15. – The smallest part of an element