Tracy-ann Aston is Lecturer in Education and Teacher Training, specialising in Science Education and Primary Teacher Training at the University of Bedfordshire, UK

Experiment 1: Observation: Are probiotic yogurts worth the extra money? Experiment 2: Observation: How similar are animal and plant DNA? Experiment 3: Observation: What do the inside of lungs look like? Experiment 4: Observation: Are all fats the same? Experiment 5: Observation: How do plants exchange gases? Experiment 6: Observation: How do apples decay? Experiment 7: Is salt a good preserver of food? Experiment 8: Fair testing: How can plants use wind to reproduce? Experiment 9: Fair testing: Are there enzymes in our liver? Experiment 10: Fair testing: What is the best food to take with you when climbing a mountain? Experiment 11: Fair testing: Which is the most dangerous see to swim in if you are bleeding? Experiment 12: Fair testing: How quickly will our muscles tire? Experiment 13: Fair testing: Can we speed up the rate of photosynthesis? Experiment 14: Pattern seeking: Where do daises grow? Experiment 15: Pattern seeking: Do taller people have larger hands? Experiment 16: Pattern seeking: Do insects prefer to live in the light or the dark? Experiment 17: Pattern seeking: Can long legs jump further? Experiment 18: Pattern seeking: Do our hearts beat faster when we work harder? Experiment 19: Pattern seeking: Are hand-dryers more hygienic than paper towels? Experiment 20: Classification and identification: Can you identify animal and plant cells just by looking at them? Experiment 21: Classification and identification: Can we classify leaves? Experiment 22: Classification and identification: What's the best fruit and vegetable to eat when you have a cold? Experiment 23: Classification and identification: How can fingerprints solve a crime? Experiment 24: Classification and identification: Which plants are growing near our school? Experiment 25: Classification and identification: What's in our food? Experiment 26: Modelling: Can we build a digestive system? Experiment 27: Modelling: Can we build a DNA separating chamber? Experiment 28: Modelling: Can we build a model of DNA? Experiment 29: Modelling: Can we ferment our own ginger beer? Experiment 29: Modelling: Can we build a bug hotel? Experiment 30: Modelling: Can we design and make a stethoscope? Experiment 31: Observation: Can a solid turn into a gas? Experiment 32: Observation: Where should we dig for oil?Experiment 33: Observation: What colour are M&Ms? Experiment 34: Observation: What is the best material for a campfire? Experiment 35: Observation: How can we make colourful flames? Experiment 36: Observation: What is special about the melting and freezing point of a substance? Experiment 37: Fair Testing: Which is the best washing powder? Experiment 38: Fair Testing: Can we prevent rusting? Experiment 39: Fair Testing: Which antacid is the most effective? Experiment 40: Fair Testing: Which is the best brand of disposable nappies? Experiment 41: Fair Testing: How does temperature affect the rate of a reaction? Experiment 42: Fair Testing: How quickly will a puddle evaporate on a hot day? Experiment 43: Pattern seeking: How quickly will a battery run down? Experiment 44: Pattern Seeking: What is the hardest liquid to swim through? Experiment 45: Pattern Seeking: Will aquatic plants grow in acidic water? Experiment 46: Pattern Seeking: Do all oxides have the same pH? Experiment 47: Pattern Seeking: Which element in group 2 of the periodic table is the most reactive? Experiment 48: Pattern Seeking: Which element in group 7 of the periodic table is the most reactive? Experiment 49: Classification and Identification: Are all changes reversible? Experiment 50: Classification and Identification: What is the best soil for growing plants? Experiment 51: Classification and Identification: How can we identify colourless gases? Experiment 52: Classification and Identification: How can polymers be identified? Experiment 53: Classification and Identification: Do chemical reactions always give off heat? Experiment 54: Classification and Identification: Does everything dissolve in water? Experiment 55: Modelling: Can we make our own fizzing bath bombs? Experiment 56: Modelling: Can we make popping fruit juice balls? Experiment 57: Modelling: Can we grow a crystal garden? Experiment 58: Modelling: Can we build our own volcano? Experiment 59: Modelling: How can cabbage be an indicator? Experiment 60: Modelling: Can we make a bouncing custard ball? Experiment 61: Observation: How many colours are there in light? Experiment 62: Observation: How does pressure vary in a water column? Experiment 63: Observation: What do waves look like? Experiment 64: Observation: Which objects will give you a static shock? Experiment 65: Observation: How do gases move? Experiment 66: Observation: How much 'stuff' do we make in a reaction? Experiment 67: Fair Testing: How can we change the brightness of a bulb? Experiment 68: Fair Testing: Why do moon craters vary in size? Experiment 69: Fair Testing: What are the most dangerous weather conditions to drive in? Experiment 70: Fair Testing: How can we increase the resistance in a circuit? Experiment 71: Fair Testing: How can blood spatter solve a crime? Experiment 72: Fair Testing: Can we stop radio waves? Experiment 73: Pattern seeking: How can you make a swing go faster? Experiment 74: Pattern Seeking: Can you break a spring? Experiment 75: Pattern Seeking: How can we make a magnet stronger? Experiment 76: Pattern Seeking: How does light enter and leave a mirror? Experiment 77: Pattern Seeking: How can we change the speed of light? Experiment 78: Pattern Seeking: What happens to waves in shallow water? Experiment 79: Classification and Identification: Which materials are best for keeping something warm? Experiment 80: Classification and Identification: Which materials are best for building an electric circuit? Experiment 81: Classification and Identification: Can we identity different types of radiation? Experiment 82: Classification and Identification: Can we classify all materials as solids, liquids or gases? Experiment 83: Classification and Identification: What is the densest liquid?Experiment 84: Classification and Identification: Where is the energy going? Experiment 85: Modelling: Can we cook food using the sun? Experiment 86: Modelling: Can we make our own camera? Experiment 87: Modelling: How can a potato be a battery? Experiment 88: Modelling: Can we build a catapult? Experiment 89: Modelling: Can we design and make a musical instrument? Experiment 90: Modelling: Can we make a crash helmet? Project 1: Healthy teeth Project 3: Environmental survey Project 4: Set Design Project 5: Olympic science Project 6: Chocolate lab Project 7: Scene of crime investigation Project 8: Fairground games Project 9: Aeroplane design Project 10: What's the weather like?