8.1 science

2. A surface of which one end or side is at a higher level than another
4. A course along which someone or something moves
6. A quantity having direction as well as magnitude, esp. as determining the position of one point in space relative to another
9. Increase in the rate or speed of something
11. The speed of something in a particular direction
13. a graph presenting position vs time
15. Occurring continuously over a period of time
16. An amount of space between two things or people
17. The action or process of moving or being moved
19. The indefinite continued progress of existence and events in the past, present, and future regarded as a whole
20. linear regression is any approach to modeling the relationship between a scalar variable y and one or more variables

1. When there is a horizontal line that has different x points, but the same y point
3. discharge divided by the cross-sectional area of the cross section
5. Having only magnitude, not direction
7. a slope of a curve that is greater than zero
8. the rate in which two objects are moving in the same direction and speed. An example of this is if two objects are sitting still. Both objects are not moving and are not moving in the same direction
10. a definite length of time marked off by two instants
12. The moving of something from its place or position
14. a slope of a curve that is less than zero
18. A place where someone or something is located or has been put