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Resources: 651 – 663 Total: 663
 
Why does frequency change? Student activity
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Wind and wave energy Whiteboard exercise
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Wind and wave energy Student activity
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Wind instruments Whiteboard exercise
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Wind instruments Student activity
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X-ray radiation Student activity
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X-ray radiation Whiteboard exercise
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X-rays Animation
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X-rays Animation
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Young's experiment Student activity
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Young's experiment Whiteboard exercise
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Resources: 651 – 663 Total: 663
 
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