64 in stock

The World Book Difference
Education is World Book’s commitment and its editorial team is World Book’s strength. Each team member is dedicated to producing accurate and unbiased information by utilizing contemporary technological tools and following traditional practices of editorial excellence. For more than 100 years, World Book has promoted learning for the entire family through a range of products in which complex topics are concisely explained and vividly illustrated. An explicit goal is to help increase both reading fluency and comprehension in young readers. World Book will remain a trusted and useful resource at home, in the library, and in the classroom for years to come. Topics covered are:1. Where does light come from?.,2.How does light Travel?.,3.Colours and white light.,4.Coloured objects.,5.The invisible spectrum.,6.Infrared Rays.,7.What is refraction?.,8.Mirrors and Reflection.,9.Looking through Telescopes.,10.How do lenses work?.,11.How do cameras work?.,12.Why does the sky look blue?.,13.What is laser?.,14.Three-dimensional pictures.,15.Optical Fibres.16.Letting the current flow.17.Around and around the circuit.,18.Inside the battery.,19.Positive and negative charges.,20.Along the wire.,21.Measuring in volts.,22.How many amps?.,23.Heating up.,24.Switching on and off.25.Making Electricity safe.,26.Generating Electricity.27.What is transformer?., 28.Living without Electricity.29.Glossary. Titles in the Series:
01. Atoms and Molecules.
02. Construction.
03. Energy.
04. Gases.
05. Human Body.
06. Light and Electricity.
07. Magnetic Power.
08. Plants.
09. Space Technology.
10. Water.

Weight 400 kg
Dimensions 27.5 cm