Contents Introduction Laboratory apparatus Useful words
3 6 10
Biology Unit 1 1.1 1.2 1.3 1.5
Plants and humans as organisms Comparing leaves Human organ systems Breaking bones Antagonistic muscles in the leg
12 14 15 16
Unit 2 2.1 2.2 2.3 2.5 2.7
Cells and organisms Characteristics of living organisms Pasteur and spontaneous generation Investigating leaf decay Food poisoning in Japan Comparing plant cells and animal cells
17 18 20 22 24
Unit 3 3.1 3.3 3.4 3.5 3.6
Living things in their environment Animal adaptations Leafhoppers The great London smog Melanoma in Australia Conserving giant pandas
25 27 28 30 32
Unit 4 4.1 4.2 4.3 4.5 4.6
Variation and classification Horses, donkeys and mules Variation in hair colour Variation in holly leaves Classifying vertebrates Classifying invertebrates
34 36 38 41 42
Chemistry Unit 5 5.1 5.2 5.3 5.4
States of matter Solids, liquids and gases Particle theory Heating a liquid Explaining changes of state
44 46 48 51
Unit 6 6.1 6.3 6.4
Material properties Metals Comparing metals and non-metals Everyday materials and their properties
52 53 54
4
Contents