Summary
Contents
Subject index
This book provides materials to enable students aged 5-11 years to learn about the world around them through hands-on activities.
The Earth in Space
The Earth in Space
18.1: The Solar System
The planet we live on, which we call Earth, is one of nine planets in orbit round a star which we call the Sun. The Sun, its planets, their satellites (moons) and other smaller bodies such as comets and asteroids, make up the Solar System. With very minor exceptions such as artificial lights and volcanoes on Earth, the Sun is the only light source (∗17.2) in the Solar System: we can see our own satellite (the Moon) and other planets only because they reflect light from the Sun into our eyes.
In attempting to develop an understanding of the Solar System we have two main problems. The first is sheer scale: the Solar system is so ...
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