Energy
Across
- 3. Materials that don't allow electricity to pass through them
- 9. A comparison of the energy output to the energy input in a given system
- 12. The smallest part of a substance that cannot be broken down chemically
- 13. A resource of which there is a seemingly endless supply because it can be replenished
- 14. Objects that emit light by their own
- 18. Light travelling through electromagnetic waves
- 20. The ability of a deformed material body to return to its original shape and size when the forces causing the deformation are removed
- 22. A number used to change one set of units to another, by multiplying or dividing
- 23. A form of energy released from the nucleus, the core of atoms, made up of protons and neutrons
- 25. The ability to do work
- 26. A resource that will run out or will not be replenished in our lifetimes
- 27. The electromagnetic radiation with wavelengths between 380 and 750 nm which is visible to the human eye
- 29. The bouncing back of light from any shiny surface
- 30. Energy from the sunlight
- 31. The process of changing energy from one form to another
Down
- 1. A substance that captures and transforms energy
- 2. A force that tries to pull two objects toward each other
- 4. Its use for a particular purpose
- 5. Made from decomposing plants and animals
- 6. Energy released in the form of particle or electromagnetic waves
- 7. The rate of doing work
- 8. A device that stores chemical energy, and converts it to electricity
- 10. A type of energy that is stored in an object due to its position relative to other objects
- 11. The emission of light by a solid that has been heated until it glows, or radiates light
- 15. A clear, colourless liquid with a characteristic pleasant odour and burning taste
- 16. An extremely tiny piece of matter
- 17. A combustible black or brownish-black sedimentary rock with a high amount of carbon and hydrocarbons
- 19. The transfer of energy, such as heat or an electric charge, through a substance
- 21. The rising motion of warmer areas of a liquid or gas, and the sinking motion of cooler areas of a liquid or gas, sometimes forming a complete cycle
- 24. The energy of motion
- 28. A type of energy made by vibrations