Physics

1. having only magnitude, not direction
4. the speed of something in a given direction
7. a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation
8. a thing that is indisputably the case
10. a type of motion in which the velocity of an object changes by an equal amount in every equal time period
12. an amount of space between two things or people
14. a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained
15. a quantity having direction as well as magnitude, especially as determining the position of one point in space relative to another

2. increase in the rate or speed of something
3. a place where someone or something is located or has been put
5. the application of scientific knowledge for practical purposes, especially in industry
6. the moving of something from its place or position
9. downward movement under the force of gravity only
11. the intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment
13. the rate at which someone or something is able to move or operate