Warm Up 10/15

2. (11x6)+1 = ____
4. The total force acting on an object after all forces are combined.
10. when _________forces acting on an object are not equal, causing motion to change.
11. The substance formed as a result of a chemical reaction.
13. The ________ of Conservation of Mass, States that mass is not created or destroyed in a chemical reaction.
14. A force that opposes motion between two surfaces in contact.
17. The number that indicates how many molecules of a substance are involved in a reaction.
18. A pure substance made of only one type of atom.
19. The smallest unit of an element that retains its chemical identity.
20. The SI unit for measuring force.

1. when _________forces acting on an object are equal, resulting in no motion change.
3. The tendency of an object to resist a change in its motion.
5. A push or pull on an object.
6. A substance made when two or more elements are chemically combined.
7. A small number that shows how many atoms of an element are in a molecule.
8. The amount of matter in an object.
9. Newton's ___________ States that force equals mass times acceleration (F = ma).
12. The resistance that one surface or object encounters when moving over another.
15. The rate of change in an object’s velocity over time.
16. A combination of two or more substances that keep their own properties.