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What Lights a Digital Clock?

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358 KB|8 pages
Product Description
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.
Total Pages
8
Answer Key
N/A
Teaching Duration
Unknown
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