Energy and Light Crossword
Across
- 3. A concave _ _ _ _ _ _ is used for magnifying glasses
- 6. A concave lens forms _ _ _ _ _ _ _ _ _ rays.
- 7. A convex mirror causes images to appear smaller, _ _ _ _ _ _ _ _ _ _ is another word for smaller.
- 8. A concave lens forms a _ _ _ _ image.
- 12. An imaginary line that is 90 degrees to any surface
- 14. Light is an example of a _ _ _ _ _ _ _ _ _ _ wave.
- 15. This mirror forms a real image
- 20. A flat mirror is also called a _ _ _ _ _ mirror
- 22. The _ _ _ _ for energy is Joules (J)
- 23. The focal _ _ _ _ _ _ is the distance of the focal point from the mirror/lens
- 24. Sound is an example of a _ _ _ _ _ _ _ _ _ _ _ _ wave.
- 26. The _ _ _ _ _ point is where light rays converge (come together)
- 27. Light travels in _ _ _ _ _ _ _ _ lines.
- 28. Real images are _ _ _ _ _ _ _ _.
- 30. Virtual images are always _ _ _ _ _ _ _
- 31. Gamma rays have _ _ _ _ energy than radio waves
- 33. A concave mirror forms _ _ _ _ _ _ _ _ _ _ rays.
- 34. The law that states that the angle of incidence is the same as the angle of reflection is called the law of _ _ _ _ _ _ _ _ _ _.
Down
- 1. Energy due to motion (movement)
- 2. On the electromagnetic spectrum, this is used to look at bones
- 4. Virtual images are _ _ _ _ _ _ the mirror.
- 5. Energy that is stored in something due to being at a particular height
- 9. A concave mirror forms an _ _ _ _ _ _ _ _ image (This means the image is magnified to be bigger).
- 10. A word to describe an object that allows light to pass through.
- 11. Transformed energy that is not wanted is called _ _ _ _ _ _ energy
- 13. This process is when light bends as it enters another object
- 16. A word to describe an object that doesn't allow light to pass through
- 17. Energy stored in chemical bonds
- 18. The angle of incidence is _ _ _ _ _ to the angle of reflection
- 19. The acronym for visible light on the electromagnetic spectrum
- 21. A convex lens and a concave mirror both form _ _ _ _ _ _ _ images.
- 25. On the electromagnetic spectrum, this is used to detect heat (also close to red)
- 28. The angle between the incident ray and the normal line is called the angle of _ _ _ _ _ _ _ _ _.
- 29. Law of energy conservation states that 'energy cannot be created or destroyed, only _ _ _ _ _ _ _ _ _ _ _.
- 32. This mirror causes rays to diverge