Across
- 8. a natural fuel
- 9. cannot be created or destroyed
- 10. emitting light as a result of being heated
- 12. a minute portion of matter.
- 13. energy derived from natural reascources
- 15. the rate at which work is done or energy is transferred.
- 16. able to return to its original shape after being stretched or compressed.
- 18. a device that stores chemical energy and converts it into electrical energy
- 20. comes from sun
- 25. the basic building block of matter, the smallest unit of an element that retains its chemical properties
- 26. a type of rock that helps burn fire
- 28. when something is absorbed
- 29. a substance which does not readily allow the passage of heat or sound.
- 31. a method of heat transfer that occurs in fluids (liquids and gases) due to the movement of the fluid itself
Down
- 1. the heating of a substance using physics
- 2. a form of energy released from the nucleus, the core of atoms, made up of protons and neutrons
- 3. the process where energy changes from one form to another.
- 4. stored energy
- 5. how much something does for a time
- 6. energy sources that are finite and cannot be replenished at a rate comparable to their consumption.
- 7. a force that attracts the body to the ground
- 11. energy created by movement
- 14. a device or piece of equipment designed to perform a specific task.
- 17. the act of moving something to a different place
- 19. the process of changing or causing something to change from one form to another.
- 21. giving off light
- 22. throwing back a body of light without absorption
- 23. energy as electro magnetic waves
- 24. a colourless flammable liquid
- 27. a form of electromagnetic radiation that is visible to the human eye, allowing us to see the world around us
- 30. a form of energy that is created by vibrations and travels as waves through a medium like air, water, or solids