Across
- 5. science dealing with the behavior of matter and light on the atomic and subatomic scale.
- 7. force that resists the sliding or rolling of one solid object over another
- 8. like velocity without the direction
- 9. newtons second law
Down
- 1. same as speed but counts for direction
- 2. this class is a ___ class
- 3. atomic number of two on the periodic table
- 4. newtons first law
- 6. what is in__ stays in___