physics quiz

4. A comparison between an unknown quantity and a standard.
8. Any factor that might affect the behavior of an experimental setup is called a(n) _______.
12. This relationship exists when one variable depends on the inverse of the other.
13. The ______ of the position vector is proportional to the distance of the object from the origin.
14. Describes how well the results of a measurement agree with the real value.
15. A quantity that has only magnitude without any direction.
17. In a linear relationship, there is a ______ rate of change between the two variables.
18. The change in position from initial to final position.
20. These are used when changing SI base units by powers of 10.
21. This relationship exists when one variable depends on the square of another.

1. This is the ratio of the vertical change to the horizontal change between two data points in a linear graph.
2. The graph of an inverse relationship is called _______ .
3. A possible explanation for a problem using what you know and have observed.
5. All nonzero digits in a measurement are __________.
6. This is the variable that is manipulated during an investigation.
7. SI base unit for mass.
9. The relationship when the two variables varies linearly with each other or the two variables are directly proportional.
10. The rate of change in position.
11. A branch of science that involves the study of matter, energy, and how they are related.
16. A quantity that has both magnitude and direction.
19. The rate of change in velocity.