Across
- 3. makes it hard for charges to pass through
- 4. they are caused by moving charges
- 7. these waves can move through empty spaces
- 9. makes it hard for charges to pass through
- 10. a type of energy that comes from motion
- 12. the amount of time it takes for half an amount of radioactive material to decay
Down
- 1. when a ball falls this increases
- 2. the door gets hot because energy is transferred through the door by this
- 5. measures difference in voltage between two parts of a circuit
- 6. tells you the distance between when the wave repeats
- 8. in an equation the letter Q represents it
- 11. very strong ionizing power