Electromagnetic waves and Speed of Light
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Electromagnetic waves and Speed of Light
- 1. ELECTROMAGNETIC WAVES & SPEED OF LIGHT
- 2. Electromagnetic Spectrum •The classification of electromagnetic waves according to frequency.
- 4. Electromagnetic Waves • Energy carrying waves emitted by vibrating charges often electrons that is composed of oscillating electric and magnetic fields that generate one another.
- 7. Electromagnetic Waves •All EM waves move at the same speed in a vacuum and differ from one another in frequency and wavelenght.
- 8. Electromagnetic Waves •longer wavelength=low frequency=low energy •Short wavelenght=high frequency=high energy
- 9. Electromagnetic Waves • Gamma rays • X-ray • Ultraviolet • Visible light (ROYGBV) • Infrared • Microwave • Radiowave
- 10. Electromagnetic Waves •The speed of all the waves in the EM spectrum is equivalent to the speed of light 299 792 453 m/s.
- 15. Electromagnetic Waves •You know more about the electromagnetic spectrum than you may think.
- 17. Radio wave • Your radio captures radio waves emitted by radio stations, bringing your favorite tunes. Radio waves are also emitted by stars and gases in space.
- 20. Microwave • Microwave radiation will cook your popcorn in just a few minutes, but is also used by astronomers to learn about the structure of nearby galaxies.
- 22. Infrared • Night vision goggles pick up the infrared light emitted by our skin and objects with heat. In space, infrared light helps us map the dust between stars.
- 24. Visible Light •Our eyes detect visible light. Fireflies, light bulbs, and stars all emit visible light.
- 27. Ultraviolet • Ultraviolet radiation is emitted by the Sun and are the reason skin tans and burns. "Hot" objects in space emit UV radiation as well.
- 31. X-ray • A dentist uses X-rays to image your teeth, and airport security uses them to see through your bag. Hot gases in the Universe also emit X-rays.
- 33. Gamma ray •Doctors use gamma- ray imaging to see inside your body. The biggest gamma-ray generator of all is the Universe
- 34. CREATE A CONCEPT MAP •Create a concept map about EM waves and speed of light.
- 35. 3-2-1 EXIT CARD 3-What have you learned today? Explain. 2-What life lessons have you gained from the topic? 1-What MI Activity did you learn the most from?