1. The Wonder of Light a study of the electromagnetic spectrum Mrs. Parker 4 th Grade

2. Put on your rainbow glasses! Put on your rainbow glasses! Look around for a few minutes with your special glasses on. Can you see the light separating?

3. What is light?

4. How does light travel? A) perfectly straight line B) bends around objects C) in a circle

5. Let’s Make Shadow Animals

6. Electromagnetic Spectrum We can only see a very small portion (the visible waves) of the Electromagnetic Spectrum.

7. What is your favorite radio station? Radio waves– AM/FM

8. Infrared Infrared waves are felt as heat. Microwave

9. Where have we heard about Infrared Waves?

11. Reflection  Reflection occurs when light strikes a surface and bounces off. Light changes direction when it is reflected off a surface.

12. PRISMS PRISMS Take out your prism and try to separate the light. Take out your prism and try to separate the light. What are you creating? What are you creating? Why? Why?

13. What is a rainbow? What is a rainbow? What shape is a rainbow? What shape is a rainbow?

14. The Visible Waves

16. On the other side of the visible spectrum……. UV X Ray Gamma Ray

17. Why are sunscreen and sunglasses important?

18. X rays have many uses in medicine.

19. High-energy gamma waves are found in radioactive materials used in nuclear power plants.

23. Electromagnetic Spectrum

24. Light can travel through fiber optics. Where do we use fiber optics?

25. Fiber Optics

26. Have you ever used a laser?

27. How do we use lasers? Surgeries (LASIK) Price Scanning CD Players DVD Players Dental Drills Heavy Duty/Accurate Cutting Radiation Printer Laser Speed Gun

29. Let’s Play Tag! 5 hand held mirrors 1 laser pointer Light travels in a straight line, but it can reflect! The rays bounce off the mirrors and travel in a new direction.

30. Create a bracelet made from UV beads What do you think would happen to the beads if you put sunscreen on them? Why? Go outside and try it!