Across
- 4. The energy stored within the nucleus of an atom, specifically the bonds holding the protons and neutrons together
- 6. Energy derived from natural resources that are replenished at a higher rate than they are consumed
- 10. Energy that comes from the sun
- 12. A sedimentary deposit composed predominantly of carbon that is readily combustible
- 13. Energy as electromagnetic waves
- 16. Stored energy that an object possesses due to its position, shape, or condition
- 20. Vibrations that travel through the air and can be heard when they reach a person's or animal's ear
- 21. The ability to be able to resume its normal shape spontaneously after being stretched or compressed
- 23. The heating of a substance using convection currents
- 24. A natural fuel such as coal or gas, formed in the geological past from the remains of living organisms
- 25. Giving off light; bright or shining
- 26. The act of moving something from one place to another
- 28. When something is absorbed in another
- 30. How much something does for the time taken
- 31. The force that attracts a body towards the centre of the earth, or towards any other physical body having mass
Down
- 1. Energy sources that exist in limited quantities and are not replenished at a rate comparable to their consumption
- 2. Emitting light as a result of being heated
- 3. Energy created by the movement of objects
- 5. The process where energy changes from one form to another
- 7. A substance that does not allow heat or sound through
- 8. The ability to do work
- 9. The heating of a substance using physical touch
- 11. A container consisting of one or more cells, in which chemical energy is converted into electricity and used as a source of power
- 14. A device or piece of equipment designed to perform a specific task
- 15. The building blocks of the universe
- 17. A colourless volatile flammable liquid which is produced by the natural fermentation of sugars; alcohol
- 18. The natural agent that stimulates sight and makes things visible
- 19. A minute portion of matter
- 22. The process of changing or causing something to change from one form to another
- 27. The throwing back by a body or surface of light, heat, or sound without absorbing it
- 29. The ability or capacity to do something or act in a particular way
