Across
- 5. acting per unit volume.
- 7. amount of matter contained in an object.
- 9. acting perpendicular on a surface.
Down
- 1. force of gravity acting on an object.
- 2. Kepler/He gave the laws of planetary motion.
- 3. acting per unit area.
- 4. force of attraction exerted by the Earth.
- 6. instrument used to measure the atmospheric pressure.
- 8. fall/Motion of a body where gravity is the only acting force.