Heat and Light Unit Review
Across
- 2. The amount of thermal energy that an object has
- 4. The superlative form of 'hot'
- 7. Spanish: Absorber
- 9. The comparative form of 'fast'
- 11. This occurs when light passes through some transparent substances (f.e water)
- 17. When thermal energy is applied to a liquid and changes into a gas
- 18. The type of change caused when making a cake
- 20. The way thermal energy travels through gas or liquid
- 21. The result of exploded maize kernels
- 23. Spanish: Tocar
- 24. An object that blocks some light but lets some through (f.e curtains)
- 26. A material that doesn't transfer energy easily (A wooden handle)
- 28. When a solid changes into a liquid
- 29. Spanish: Vibrar
Down
- 1. The name of light that is made up of all the colours together
- 3. A material that transfers energy easily (A metal pan)
- 5. What we can see when we put an opaque object in front of light
- 6. Thermal energy transferred through electromagnetic waves
- 8. 'More energy is absorbed by ___________ colours'
- 10. When thermal energy is transferred from one object to another whilst they are in contact
- 12. The result of what happens when thermal energy causes the molecules in a solid, liquid or gas to expand
- 13. The thing that tells us how hot the object is
- 14. This object refracts light and allows us to see the colours that make up white light
- 15. This occurs when light energy bounces off a surface and changes direction (f.e when light energy hits a mirror)
- 16. A group of atoms bonded together
- 19. A natural source of light
- 22. 'Light is __________ that we can see with our eyes'
- 25. 'Light travels in _____________ lines'
- 27. Spanish: Sentir