LINKS:

1. https://www.youtube.com/watch?v=pj_ya0e20vE

2. https://www.youtube.com/watch?v=pj_ya0e20vE

QUESTIONS:

I. Based on the video lesson, answer the following questions.

1. What is electromagnetic waves?

2. What are the different electromagnetic waves?

3. What is the relationship of wavelength, frequency and speed of light?

4. Which wave has the longest wavelength and which wave has the shortest wavelength?

5. Which wave has the highest frequency and which wave has the lowest frequency?

II. USES OF DIFFERENT ELECTROMAGNETIC WAVES

Electromagnetic Waves	Uses
Radio Waves
Microwaves
Infrared radiation
Visible light
UV
X- rays
Gamma rays