Across
- 2. Electricity that doesn’t flow.
- 4. A long coil of thin wire inside light tube
- 6. it's atomic number is 6.
- 9. Used to measure the strenght of an earthquake.
- 10. Patterns of stars appearing in the night sky.
- 11. One thousand megabytes is equal to one...
- 12. Allows current flow only in one direction.
Down
- 1. Major component of natural gas.
- 3. Protects the Earth from harmful radiation from the Sun.
- 5. A giant spark of electricity in air.
- 7. Laughing Gas.
- 8. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change