Across
- 1. material that may be perceived by the senses
- 5. define the outline or the boundary of an object
- 6. a change in position compared to a place or an object that is not moving
- 8. fixed in a station
Down
- 2. interaction between two or more bodies that causes a change in the motion of the bodies involved
- 3. anything that can change and be measured.
- 4. process of two or more things acting on each other
- 7. harm caused to something in such a way as to reduce or destroy its value, usefulness, or normal function