amazing super simple inventions p e r simple u s telephone projects I n s p i r i n g E d u c at i o n a l S c i e n c e Ac t i v i t i e s alex kuskowski Consulting Editor Diane Craig M A Reading Specialist
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Telephones Alexander Bell Then to Now Be an Inventor Materials Metal Music String Phone Chat Room Sound Waves Tuning Fork Transmit Light Faraday Box Conclusion Quiz Glossary 4 6 8 10 12 14 16 18 20 22 26 28 30 31 32
