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Product #: EMC5001057_TQA Real Humdinger (Resource Book Only) eBookGrade 2|Grade 3|Grade 4Sale! Ships Free!
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This science experiment asks, 'How can you stop a friend from humming?' & demonstrates how sounds are produced when air passes over vocal cords (& humming will stop if the nose is plugged). (Sound) The unit includes directions, investigation sheet, musical note icons, & graph directions. (Find other suggestions in the unit 'Getting Ready' & other experiments by searching 'Experiments 2-4.')
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