biology activities for gcse - National STEM Centre

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Contents
Introduction page 1
Section B1 Life processes: an overview page 7
Section B2 Levels of organization paged
Bl Skill sheet - Using a microscope 8
B2 Cells and what they do 9
B3 Body systems in Daphnia 10
B4 Body systems in animals 11
Section B3 Nutrition in plants and animals page 12
B5 How do gases get in and out of leaves? 12
B6 Photosynthesis 12
B7 Skill sheet - Testing for starch 13
B8 Plants we eat 14
B9 Do plants and animals alter the environment around them? 17
B10 What affects the rate of photosynthesis? 18
Bll Factors affecting photosynthesis 19
B12 The food tube 20
B13 The food tube (diagrams showing structure and function) 20
B14 The food tube (diagrams showing microscopic structure and digestion of molecules) 20
B15 Enzymes and digestion 21
B16 More about digestive enzymes 23
B17 The value of villi 25
B18 Foods and food tests 26
Section B4 Transport in plants and animals page 28
B19 Looking at the heart 28
B20 What does the heart do? 29
B21 What happens if you have a heart attack? 29
B22 Blood and blood transfusions 31
B23 Looking at diffusion 33
B24 Water in and out of cells 34
B25 Osmosis and turgor 35
B26 Active transport 36
B27 A summary of mass flow, diffusion, osmosis and active transport 37
B28 Minerals for plant growth 37
B29 Measuring the rate of water loss from leaves 39
B30 Water from roots through leaves 40
Section B5 Respiration page 42
B31 Where does air go when you breathe in? 42
B32 How you inflate your lungs 43
B33 Understanding asthma 45
B34 Investigating respiration 46
B35 How much energy is there in some foods that you eat? 46
B36 Investigating cigarette smoke and its effects 48
B37 Smoking 49
Section B6 Energy and nutrient transfer page 50
B38 Energy flows 50
B39 Food chains and food webs 50
B40 Building pyramids of numbers 51
B41 Building pyramids of biomass 53
B42 Pesticides in food chains 54
B43 The carbon cycle 55
B44 The nitrogen cycle 57
B45 The nitrogen cycle game 58