Across
- 4. -When two values change in opposite direction
- 5. -Energy that comes from a source and travels through space
- 7. -Force per surface area where the force is normal to the surface
- 11. Third Law -an action with an equal and opposite reaction
- 14. -A positively charged particle
- 16. -A mutual action between objects
- 17. Collision -A collision in which the colliding objects become distorted
- 18. -Relating to something having dimensions smaller than an atom
- 19. -Mass and velocity of an object
- 20. -Product of force and time interval during which the force acts
Down
- 1. Speed -The speed at which the acceleration of a falling object is zero
- 2. -A subatomic particle with negative charge
- 3. -The splitting of a heavy/unstable nucleus
- 6. Second Law -The acceleration produced by a net force
- 8. Force -Force that is equal in strength and opposite in direction force
- 9. Collision -Collision in which colliding objects rebound
- 10. Mass -The combined mass of protons and neutrons of an atom
- 12. -Subatomic particles that are one
- 13. -The amount of energy transferred per unite time
- 15. -The SI unit of pressure