SCIENCE - DOPPLER EFFECT
Texte du Storyboard
- NEEE-NORRR NEEEE-NORRR
- NEEE-NORRR NEEE-NORRR
- Katie, why does the ambulance siren sound different as it drives further away to when it comes closer?
- Well Matt...
- It is caused by the Doppler Effect. As the ambulance approaches the man, the wavelength is shorter, making the siren higher pitched.
- NEEE-NORRR NEEE-NORRR
- Wavelength
- Wavelength
- Katie and Matt are sitting outside playing cards, and a high pitched ambulance siren comes towards them.
- Whereas when the ambulance moves away from the man, the wavelength is longer, making it a lower frequency.
- Wavelength
- NEEE-NORRR NEEEE-NORRR
- The ambulance siren gets lower in pitch. Matt asks Katie a question.
- Wavelength
- Katie shows Matt a photo to explain the doppler effect.
- NEEE-NORRR NEEEE-NORRR
- I win!
- Katie explains what happens when an ambulance drives away.
- Matt thanks Katie for helping him understand.
- Wow, that's so cool! Thanks!
- The ambulance siren gets lower as it drives away.
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