1. March 25, 2015 “Wavestown” sheet Label the 7 types of EM waves
Try to list as many uses or locations for EM radiation in the picture
Take out notes & GIZMO
Homework: Read/notes, chapter 22, 3 & 4. SkillsTutor due Friday.

2. visible
micro-wave
infrared
gamma UV
X-ray
radio

3. Predict & Observe White light Red light Black light
What do you think you will see?
White light
Red light
Black light

5. Diffraction

6. Explain Relate the amount of energy to wavelength.
How did the temperature of the bulb affect the spectra that were observed?
Relate the amount of energy to wavelength.

7. Refraction
Animation

9. Spectra

11. Predict & Observe
Do you think you will see emission or absorption spectra?
What do you think a spectra of a compound will look like?

13. Explain Why did you see emission spectra?
Why did the spectra of water look like it did?

14. Question 1
A wave has a low speed, but a high frequency. What can be inferred about its wavelength?
A. The distance a wave will vibrate from its resting point.
B. The wavelength will be very long
C. It depends on how fast the speed is
D. The wavelength will be short

15. Answer 1
A wave has a low speed, but a high frequency. What can be inferred about its wavelength?
A. The distance a wave will vibrate from its resting point.
B. The wavelength will be very long
C. It depends on how fast the speed is
D. The wavelength will be short

16. Question 2 How is amplitude related to energy?
A. The larger the amplitude, the more energy a wave carries
B. The larger the amplitude, the less energy a wave carries
C. The shorter the amplitude, the more energy a wave carries
D. Amplitude is not related to energy

17. Answer 2 How is amplitude related to energy?
A. The larger the amplitude, the more energy a wave carries
B. The larger the amplitude, the less energy a wave carries
C. The shorter the amplitude, the more energy a wave carries
D. Amplitude is not related to energy

18. Question 3
What is the distance between two adjacent wave compressions?
A. 1 m/s
B. 1 wavelength
C. 1 Hz
D. 1 amplitude

19. Answer 3 What is the distance between two adjacent wave compressions?
A. 1 m/s
B. 1 wavelength
C. 1 Hz
D. 1 amplitude

20. Question 4
Ultraviolet light has a higher frequency than infrared light has. Which statement about visible light is true?
A. Blue light has a longer wavelength than orange light has.
B. Green light has a higher frequency than violet light has.
C. Yellow light has a shorter wavelength than blue light has.
D. Red light has a lower frequency than green light has.

21. Answer 4
Ultraviolet light has a higher frequency than infrared light has. Which statement about visible light is true?
A. Blue light has a longer wavelength than orange light has.
B. Green light has a higher frequency than violet light has.
C. Yellow light has a shorter wavelength than blue light has.
D. Red light has a lower frequency than green light has.

22. Question 5
Which light interaction explains why you can see things that do not produce their own light?
A. absorption
B. reflection
C. refraction
D. scattering

23. Answer 5
Which light interaction explains why you can see things that do not produce their own light?
A. absorption
B. reflection
C. refraction
D. scattering

25. Spectra II
High Resolution Solar Spectra

30. The Sun
In other wavelengths…