Across
- 1. Adds energy to something
- 2. Speed with direction
- 3. Time it takes for half or the radioactive material to decay
- 6. Unit of gravity
- 7. Opposite of melting
- 9. A type of energy
- 11. The rate of change of distance with time
Down
- 1. Distance between two crests
- 4. Neutrons add _ _ _ _ to an atom
- 5. An atom with a charge
- 8. Line of best fit, touches the pointy you want but does not cross the curve
- 10. Kinetic and sound are types of this