PETA 1
Storyboard Text
- Remote control is one of the example of infrared. Its wavelength is longer than visible light.
- Did you know when you watch tv you are using EM waves?
- Oh really? Can you tell me more about EM waves?
- Radio is one of the example of radio wave.
- It is the longest wavelength in EM waves and at lower frequency than microwave.
- What is radio wave?
- You mentioned microwave, what is microwave in EM waves?
- Microwave is the second longest wavelength in EM waves and it has a low energy.
- It is commonly used for the preparation of food, satallite, phones and medical treatments.
- Light bulbs and fluorescent bulbs are examples of visible light.
- Visible light is one of the portion in EM waves that visible or can be seen by the human eye.
- How did light and fluorescent bulbs are examples of visible light? What is visible light?
- What are we doing here?
- What is UV wave?
- UV wave has a longer wavelength than x-ray but shorter than visible light. It also has high frequency and energy.
- Sunlight is the main source of UV wave.
- I know that! it's x-ray. It used to check the bones and to look for breast cancer.
- Thank you! I learned a lot about EM waves and its different wavelength, frequency and energy.
- The last one is Gamma ray that has a smallest wavelength but has a highest frequency and energy in EM waves.
- Yes you're right, x-ray has a short wavelength but has a high frequency and energy.
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