Across
- 2. Thermal energy transfer through fluids (liquids or gases).
- 5. A device that converts electrical energy into light energy.
- 6. The energy of movement.
- 8. The transfer of thermal energy through solids.
- 11. The total energy from a source that is useful (e.g., light from a lamp).
- 12. Energy from the Sun, often used by solar panels.
- 13. A non-renewable resource formed from ancient plant and animal matter.
- 14. The conversion of energy from one form to another.
- 16. Energy we can hear; caused by vibrations.
- 19. A device that converts light energy into electrical energy.
- 20. The ability to do work or cause change.
Down
- 1. The principle that states energy cannot be created or destroyed.
- 3. The unit used to measure energy (Symbol: J).
- 4. Stored energy due to an object's position or height.
- 7. An object or material that does not allow energy to pass through easily.
- 9. Energy stored in the bonds of chemical substances.
- 10. The transfer of thermal energy by electromagnetic waves.
- 15. A fuel source that can be naturally replenished, like wind or solar.
- 17. A common example of a non-renewable energy source (e.g., used in cars).
- 18. Energy type associated with the movement of electric charges.