science review

5. what happens when chemicals/elements interact, sometimes causes fires or explosions
6. the center of an atom
10. made of more than one element
11. what the end results of a reaction are called
12. subatomic particle with a negative charge
14. when a object changes it's position
16. how fast a object is going
21. the initial chemicals that are reacting in a chemical formula
22. change in velocity

1. simplest form of matter that are made of the same type of atoms
2. _____ force has the total force equal more than zero
3. Multiple atoms together
4. ____law of motion has the formula F = ma
7. subatomic particle with a positive charge
8. a push or pull
9. Smallest unit of matter
13. ____law of motion includes for every action there's a opposite but equal reaction
15. elements that are brittle and are insulators
17. speed with direction
18. _____ force has all the forces equaling zero
19. ___ law of motion is also called the law of inertia
20. types of elements that are shiny, solids and are conductors