Doppler Effect and Stars

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From yesterday what is the first piece of evidence of the big bang?

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If you had to simply explain to someone what cosmic background radiation is what would you say?

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​http://zonalandeducation.com/mstm/physics/waves/dopplerEffect/dopplerEffect.html

Drag and Drop

Let’s use the term frequency of waves perceived by the observer to describe the frequency at which waves are passing through the receiver. How do you describe the frequency of waves perceived by the observer when the waves are moving towards the observer? (Hint: Frequency means the amount)




The Frequency of the waves perceived by the observer are (higher/lower) ​

Placeholder

as the waves move towards the observer.

Drag these tiles and drop them in the correct blank above

higher

lower

Drag and Drop

4. Let’s use the term frequency of waves perceived by the observer to describe the frequency at which waves are passing through the receiver. How do you describe the frequency of waves perceived by the observer when the waves are moving away from the observer? 




The Frequency of the waves perceived by the observer are (higher/lower) ​

Placeholder

as the waves move away the observer

Drag these tiles and drop them in the correct blank above

lower

higher

Labelling

Do Now: Match the term to the definition:

Drag labels to their correct position on the image

Amplitude

Wavelength

Trough

Crest

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