Across
- 2. The proportion of useful energy output from a device compared to the amount of energy that is input, usually expressed as a percentage.
- 4. The energy that goes into a device to make it work.
- 8. An ‘educated guess’ about what might happen in an experiment.
- 12. A short summary of what you found out in an experiment.
- 14. Stored energy possessed by an object.
- 15. The variable that is being measured in an experiment.
- 17. A device that transforms the Sun’s energy into electrical energy.
- 19. A value that is much smaller or larger than the other values in a set of data.
- 20. A resource list.
- 21. Gathering secondary data from different sources.
- 27. The stored energy of an object that is held above the Earth’s surface.
- 29. A unit of measurement for energy.
Down
- 1. The conversion of one type of energy into another type of energy.
- 3. Heat transfer between two objects in contact.
- 4. Material placed in ceilings and walls to reduce heat transfer.
- 5. The energy that is produced by a device that completes a task or job.
- 6. A form of energy that travels as vibrating waves and can be heard by our ears.
- 7. The variable that you choose to change in an experiment.
- 9. The transfer of heat in a liquid or gas.
- 10. Measurements and observations about something.
- 11. The non-useful energy output of a device.
- 13. The study of what is right or wrong.
- 16. Energy that causes charged particles to move.
- 18. A form of energy that is visible.
- 22. The energy stored within a stretched or compressed object.
- 23. The ability to make change happen.
- 24. Heat transfer as a wave, that can even travel through outer space.
- 25. Energy possessed by a moving object.
- 26. Small changes to measurements that cannot be avoided.
- 28. The flow of energy from one object to another.