Across
- 2. harnessed from the light and heat of the sun’s radiation.
- 5. All fossil fuels contain high percentages of this element.
- 6. When energy becomes more spread out and disordered.
- 8. Represented on a Sankey Diagram.
- 9. A source of energy that cannot be used up.
- 11. The most degrading form of energy.
- 13. The fuel with the highest energy density.
- 16. A diagram that allows use to visualize the flow of energy as it changed from one form to another.
- 17. most abundant fossil fuel.
- 19. Rotating machinery connected to generator.
- 20. This then results in a … that keeps changing direction, known as an alternating current (AC).
Down
- 1. A type of nuclear energy still being researched.
- 3. When energy is transferred to a body electrons…
- 4. boiled at the start of the cycle.
- 7. Amount of energy that can be obtained per kilogram of fuel.
- 8. Wires contain charged objects called…
- 10. Natural fuel found in areas such as forests.
- 12. coal, oil and gas are used as the ____
- 14. Used to turn the turbine.
- 15. This type of coal has reduced amounts of sulphur dioxide.
- 18. 21.3 billion tonnes of carbon _______ is produced per year.