Science, Physics and Math Crossword 8th Grade

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Across
  1. 2. - Machine that changes force.
  2. 3. - Substance with pH below 7.
  3. 5. - Wheel with rope to lift.
  4. 6. - Process of chemical change.
  5. 7. - Bond with electron transfer.
  6. 10. - Scale of acidity or alkalinity.
  7. 12. - Energy transfer due to temperature.
  8. 14. - Connection between atoms.
  9. 15. - Product of acid and base reaction.
  10. 17. - Heat transfer by contact.
  11. 19. - Equal atoms on both sides.
  12. 23. - Path of electrons.
  13. 24. - Mixture uniform throughout.
  14. 25. - Anything that has mass.
  15. 29. - Blend of substances.
  16. 31. - Representation of a reaction.
  17. 32. - Ratio of mass to volume.
  18. 36. - Atom with different neutrons.
  19. 37. - Heat transfer by waves.
  20. 38. - Unit of force.
  21. 40. - Positively charged particle.
Down
  1. 1. - Measure of heat energy.
  2. 4. - Heat transfer in fluids.
  3. 8. - Related to substances and reactions.
  4. 9. - Substance with pH above 7.
  5. 11. - Mixture not uniform.
  6. 13. - Amount of space taken.
  7. 16. - Work per unit time.
  8. 18. - Resistance to movement.
  9. 20. - Smallest part of an element.
  10. 21. - A push or pull action.
  11. 22. - Bond with shared electrons.
  12. 26. - Center of an atom.
  13. 27. - Number before a chemical formula.
  14. 28. - Neutral atomic particle.
  15. 30. - Shows pH change.
  16. 33. - Force times distance.
  17. 34. - Simple machine with pivot.
  18. 35. - Negatively charged particle.
  19. 39. - Circular simple machine.