Across
- 6. Comes from a tree
- 8. A force that counterflows current
- 9. Waste that contains chemical building blocks
- 14. A type of light
- 16. A liquid fossil fuel
- 17. A combustible rock
- 18. Electric current flowing in two directions
- 19. Energy that is produced by the earths heat
- 21. Experimental model of an electric circuit.
- 22. A flow of charged particles
- 24. A material that conducts electricity
- 25. Movement of air
- 26. Electricity made my a nuclear reactor
Down
- 1. A circuit that has more than one way the current can flow
- 2. Device that is electrically opperated
- 3. A circuit that has one way the current can flow
- 4. Determined by the sun
- 5. Resistance to electric current
- 7. A fundamental two-dimensional circuit representation
- 10. Tool to test electric current
- 11. Fuel that is produced over a short time span from biomass
- 12. The SI base unit of electrical current.
- 13. Generation of energy from flowing water
- 15. Potential differences expressed in volts
- 20. Electric current flowing in one direction
- 23. Flamable gas