Across
- 4. - caused by mass in a gravitational field
- 6. - when it is compressed or stretched
- 7. - between charged particles
- 8. - when blocking a defensive player
- 9. - between materials like iron, cobalt, nickel, steel
Down
- 1. - when strings are holding something up
- 2. - examples include air and water resistance
- 3. - when two solid objects are moving against each other
- 5. - rocket produce
- 10. - keeping you from falling through the floor