Page 3 - 新思维科学活动用书3 样章
P. 3
Contents
4.3 Food chains 55
4.4 Fossils 60
5 Forces and magnets 64
5.1 Forces and forcemeters 64
5.2 Gravity 67
5.3 Friction 70
5.4 Amazing magnets 74
5.5 Magnetic materials 77
6 The Earth and the Moon 80
6.1 The shape of the Earth, Sun and Moon 80
6.2 The Moon 83
6.3 The phases of the Moon 85
Acknowledgements
2
