Science Vocabulary Review- Quarter 1

2. States that an object’s acceleration is directly proportional to the magnitude of the net force. F=MA
7. For every action there is an equal and opposite reaction
8. Uses chemical symbols and numbers to describe what happens in a chemical reaction.
10. a mixture in which the components are not uniform and where different samples from the mixture are not identical to each other
12. attraction of molecules of one kind for molecules of a different kind
15. Occur when one or more substances are converted to one or more different substances.
17. a substance made of two or more DIFFERENT chemical elements bonded to each other
19. Neither an acid or a base. An example is pure water. A neutral pH is 7.
20. A body at rest will remain at rest, and a body in motion will remain in motion, unless acted upon by an external force
21. States that matter cannot be created or destroyed during chemical reactions, but it can be rearranged.

1. Able to break down substances such as metal.
3. The sum of all forces acting on an object.
4. a mixture in which the components are uniformly distributed throughout and where the composition of the mixture is the same throughout
5. Compounds that are slippery, and have a bitter taste. They have a pH greater than 7.
6. The rate at which velocity changes.
9. attraction of molecules for other molecules of the same kind
11. They are on the right side of the equation. They are the resulting molecules at the end of the reaction.
13. the tendency of liquid molecules to attract one another and contract to the smallest possible surface area
14. Compounds that have a sour taste and can dissolve some metals. They have a pH less than 7.
16. a pure substance that contains one type of atom and cannot be broken down into a simpler substance
18. They are on the left side of a chemical equation. They react with each other to make something new.