159:-
Ingår i 4 pocket för 3
Tillfälligt slut online – klicka på "Bevaka" för att få ett mejl så fort varan går att köpa igen.
This book is suitable for ages 8 to 14 years. "Inventing the Electric Light" tells the story of how early scientists experimented with the newly discovered energy called electricity to create light. Young readers will be fascinated to learn what light sources people used before electricity was discovered, and how the electric light bulb changed the world. The topics include: early experiments by Benjamin Franklin, Pieter van Musschenbroek, Alessandro Volta, and Sir Humphrey Davy; Joseph Swan and Thomas Edison's electric light bulbs; how the electric light bulb changed people's everyday lives; how an electric light bulbs works, and its uses; and, the future of the electric light bulb.
- Format: Pocket/Paperback
- ISBN: 9780778728405
- Språk: Engelska
- Antal sidor: 32
- Utgivningsdatum: 2009-11-01
- Förlag: Crabtree Publishing Co,Canada