Physical science

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Across
  1. 1. – Energy that travels as vibrations through a medium.
  2. 3. – Ability to do work or cause change.
  3. 4. Rate of doing work or using energy.
  4. 6. – Anything with mass and volume.
  5. 7. – Mass per unit volume.
  6. 10. – Device that emits a narrow, intense beam of light.
  7. 11. – A push or pull.
  8. 12. Energy transfer when a force moves an object.
  9. 13. – Force of gravity on an object’s mass.
  10. 14. – Energy due to motion.
  11. 15. – Amount of matter.
  12. 16. Attraction between masses.
  13. 17. – Transparent piece that bends (refracts) light.
  14. 18. Single wave disturbance.
  15. 20. – Device for measuring mass.
  16. 22. – Measure of duration.
Down
  1. 1. – Force that resists sliding motion.
  2. 2. – Change in position over time.
  3. 3. – Object that produces a magnetic field.
  4. 4. Substance with a definite composition.
  5. 5. Repeating disturbance that transfers energy.
  6. 8. – State of matter with fixed shape and volume.
  7. 9. – Pure substance of one kind of atom.
  8. 10. – Force per unit area.
  9. 11. – Closed path where electric current flows.
  10. 13. – Flow of electric charge.
  11. 16. – How fast something moves.
  12. 18. – Negatively charged subatomic particle.
  13. 19. – Space an object occupies.
  14. 21. – Smallest unit of an element.