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

• Introduction How to use this book 1.Reaction times: Measure our reaction times 2. Decomposing: Investigate which materials decompose 3. Keeping warm: Which materials are best at keeping us warm? 4. Heart beats: How does our heart rate change when we exercise? 5. Big feet, big hands? The relationship between different parts of our body 6. Taste vs. smell: Using just our sense of taste 7. Catch the ball! The effects of having just one eye instead of two! 8. How sensitive are you? How sensitive is our skin to touch? 9. Time to get sweaty:Investigate how sweat helps us stay cool 10. Food testing: Which foods contain starch and fats? 11. All about yeast: What temperature of water does yeast prefer? 12. What do plants need to grow? 13. What’s growing where? The plants growing round our school 14. Brushing our teeth: What works best? 15. Design a seed! Understanding seed dispersal 16. Find the stomata: Observe the stomata on leaves 17. Chewing food: What effect does it have? 18. Green worms! Investigating camouflage 19. How varied are we? Investigating variation in our class 20. Colourful carnation: Investigating how water travels in plants 21. Moving water: How does water move in and out of vegetables? 22. Bird beaks: Investigating how birds are adapted to eat their food 23. Mouldy bread! What are the best conditions for mould to grow? 24. Germinating seeds: Which surface is best? 25. Fertilisers: The effects of fertilisers on plants 26. Making an indicator: Using red cabbage to make an indicator! 27. Smartie chromatography: Which dyes are used to colour m&ms? 28. Time to separate! How to separate different mixtures 29. Dissolving sugars: Which dissolves fastest? 30. Find the solvent! The right solvent for the right solute 31. Let’s get saturated! Investigate the saturation point of water 32. Cleaning water: Can we clean dirty water? 33. Diffusion rates: Invesitgating the diffusion rate of water 34. The best straw: Investigating capillary action 35. Let’s make an emulsion! 36. Salty water: Can we make objects float? 37. Observing melting: How do different substances melt? 38. Observing burning: Investigating what happens when different substances burn 39. A rusty problem: What are the conditions needed for rusting to happen? 40. Conductor or insulator? Testing electrical conductivity 41. The strongest thread: Investigating the strength of different fibres 42. Design a bag: What’s the best material? 43. Keep it dry! Investigating whether materials are waterproof 44. Drying the washing: What conditions are best? 45. Comparing soils: Investigating the characterstics of different soil samples 46. Testing rocks: Similarities and differences 47. Acid rain! Investigating the effects of acid rain 48. Ice cube challenge: Exploring melting 49. Where did the water go? Investigating evaporation 50. Make a fossil: How are organisms preserved? 51. How strong is your magnet? 52. Making an electromagnet: Make a simple electromagnet and investigate its strength 53. Let’s make a switch! Investigate the best design for a switch 54. Fruit circuits! Can we use fruits as batteries? 55. Brighter bulbs: Investigating bulbs in circuits 56. Floating and sinking: Which objects float and which sink? 57. Density, density: Investigating layers of liquids 58. Friction: Investigate how far a car travels along different surfaces 59. How much force? Lifting and moving different objects 60. Bouncy balls! Investigate how well different balls bounce 61. Speedy cars: Factors the affect the speed of a car 62. Let’s make a helicopter!Investigating gravity 63. Let’s make a parachute! Investigating friction 64. Taking the heat: Which material is best at conducting heat? 65. Swinging time! Investigating the swing of a pendulum 66. Stretching springs: Exploring the effect of weight on a spring 67. Making a rainbow: The colours of the spectrum 68. Colourful light: Using coloured filters 69. Designing curtains: Investigating the best materials for blocking out light 70. Mirror, mirror on the wall: How is light reflected? 71. In the shadows: Investigate changing the size of a shadow 72. Musical water: Making music with bottles of water 73. Making an ear trumpet: What’s the best design? 74. Soundproofing: Which materials soundproof best? 75. Build a steady-hand game:Investigating circuits 76. Testing urine! Analysing (fake!) urine for glucose and protein 77. Volcanic eruption! Create a volcano using baking soda and vinegar 78. Which is the best washing-up liquid? Investigating detergents 79. Making a hovercraft: Testing forces 80. Conker science: Investigating how to strengthen conkers 81. Protect an egg! Investigating forces and properties of materials 82. CSI: Crime scene investigation:Learn how to make fingerprints 83. Measuring Photosynthesis: Observing pondweed 84. Fussy woodlice: Investigating habitats 85. Gummy bear science: Examining different solutions 86. Making waves: Make a beach and see how waves are formed 87. Call the surgeon! Perform a simple heart dissection 88. Making a bouncy ball: Investigating properties of different materials 89. Make a mini-rocket: Design and make a rocket that takes off! 90. Extracting DNA: Exploring evolution 91 Making lemonade: Investigating substances that dissolve in water 92. Making a lava lamp: Investigating densities 93. Making slime: Non-Newtonian fluids 94. Extracting ‘plastic’ from milk: Investigating polymers 95. Cleaning pennies:Can we clean dirty pennies with vinegar and salt? 96. Colourful milk: Investigating surface tension 97. Homemade ice-cream: Make ice-cream without a freezer! 98. Eating iron for breakfast! Investigating which cereals contain iron 99. Compost in a cup: Investigating how plants grow 100. Growing crystals: Use Epsom salts to make your own crystals Appendix 1: National Curriculum Grid: How the Really Useful Science Experiments link to the 2014 Appendix 2: Circuit symbols

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