|Product #: EMC5014022_TQ|
What Lights a Digital Clock? (Resource Book Only) eBookGrade 4
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This daily science unit for grade 4 presents information and five activities in which students learn how light-emitting diodes (LEDs) convert electrical energy into light and how a digital clock works. Week 2 of 5 on 'Big Idea 5: Electrical energy can be converted into heat, light, sound, and motion.' Includes answer key.
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