Warm Up 10/15

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Across
  1. 2. (11x6)+1 = ____
  2. 4. The total force acting on an object after all forces are combined.
  3. 10. when _________forces acting on an object are not equal, causing motion to change.
  4. 11. The substance formed as a result of a chemical reaction.
  5. 13. The ________ of Conservation of Mass, States that mass is not created or destroyed in a chemical reaction.
  6. 14. A force that opposes motion between two surfaces in contact.
  7. 17. The number that indicates how many molecules of a substance are involved in a reaction.
  8. 18. A pure substance made of only one type of atom.
  9. 19. The smallest unit of an element that retains its chemical identity.
  10. 20. The SI unit for measuring force.
Down
  1. 1. when _________forces acting on an object are equal, resulting in no motion change.
  2. 3. The tendency of an object to resist a change in its motion.
  3. 5. A push or pull on an object.
  4. 6. A substance made when two or more elements are chemically combined.
  5. 7. A small number that shows how many atoms of an element are in a molecule.
  6. 8. The amount of matter in an object.
  7. 9. Newton's ___________ States that force equals mass times acceleration (F = ma).
  8. 12. The resistance that one surface or object encounters when moving over another.
  9. 15. The rate of change in an object’s velocity over time.
  10. 16. A combination of two or more substances that keep their own properties.