Contents Contents Introduction
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Biology Unit 1 1.1 1.2 1.3 1.4 Unit 2 2.1 2.2 2.3 2.4 2.6 Unit 3 3.1 3.2 3.3 Unit 4 4.1 4.2 4.3 4.4 4.5 Unit 5 5.1 5.3 5.4 5.5 5.6
Plants The beginning of photosynthesis Drawing leaves The effect of different colours of light on the rate of photosynthesis Plants in space – Extension Food and digestion Fibre in food Energy requirements Digestion Functions of the digestive system How do teeth help in digestion? The circulatory system Blood flow in the human circulatory system Hummingbirds Adapting to high altitude – Extension Respiration A model of the human respiratory system Lung surface area and body mass An investigation using hydrogencarbonate indicator Recording breathing rate and depth Smoking statistics Reproduction and development External fertilisation The menstrual cycle Gestation periods Human growth Does caffeine affect birthweight?
6 8 10 13 15 17 19 21 22 24 26 28 30 32 34 38 40 42 44 46 48 50
Chemistry Unit 6 6.1 6.2 6.3 6.5 Unit 7 7.1 7.3
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States of Matter Particle theory Diffusion Investigating diffusion Gas pressure Elements and compounds Atoms The Periodic Table
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