Written in British English, In Secrets of Light, you will find out where light comes from, why rainbows occur, and how cameras work.
You'll also find out some amazing facts about the Sun, animals that make light and how we use light in everyday life.Simple experiments throughout the book will let you test some of these discoveries for your self - are you ready to unlock ...
Set of books for classroom use in a middle school physical science curriculum; all-in-one teaching resources volume includes lesson plans, teacher notes, lab information, worksheets, answer keys and tests.
The idea of using a gas in the bulb came from another American , Irving Langmuir ( 1881-1957 ) . Bet you never knew ! Light bulbs save lives . Nowadays many lighthouses use electric light from powerful bulbs to warn ships away from ...
Prentice Hall Science Explorer: Sound And Light
Set of books for classroom use in a middle school physical science curriculum; all-in-one teaching resources volume includes lesson plans, teacher notes, lab information, worksheets, answer keys and tests.
An introduction to light, with key vocabulary and a story. Includes notes for parents and teachers. Suggested level: junior.
Light
科学DIY: 魔幻的光影
Practical Methods for the Measurement of Reflectance and Transmittance