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Propagation of sound Student activity
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Propagation of sound Whiteboard exercise
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Purification of water Student activity
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Questions about air Whiteboard exercise
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Radio waves Whiteboard exercise
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Radio waves Student activity
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Radio waves and microwaves Student activity
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Rates of change Class activity
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Rates of change Whiteboard presentation
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Reactions of complex ions Student activity
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Reactions with air (oxygen) Whiteboard exercise
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Reactions with air (oxygen) Whiteboard exercise
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