Possible Ideas
This is by no means a complete list but it might give you some ideas of where to start. At the bottom you will also find some links to websites that might be useful.
- How do different types of music affect pulse?
- Show a group of different pictures for one minute to males and females and see which gender can recall the most pictures.
- Take 5 different samples of Madeira cake. Colour each sample a different colour with food colouring. Have people guess what flavour they are eating to see if the appearance of cake affects its taste.
- Which brand of dish detergent lasts the longest?
- On which food does fungus grow best?
- Which laundry detergent works best on stains?
- Which brand of cereal gets soggiest in milk most quickly?
- Do new tennis balls bounce higher than old ones?
- Can the colour of roof tiles affect the temperature inside? (Use different coloured tiles and boxes to simulate a house)
- Does the weight of a pendulum have an effect on its speed? (use washers to change weight)
- Will an iron nail rust faster with or without bacteria? (sterilise one nail…place in jars of water)
- Which vegetables make the best dye? (Boil in a cup of water and see their effect on cloth)
- Does the design of a bridge affect the amount of weight it can hold? (make 3 bridges out of toothpicks and hang weights from each)
- Does the amount of pressure in a balloon affect its propulsion? (blow balloons up with different amounts of air, put a straw on a string and tape the string to the wall and measure)
- Draw the evolution of an animal over time.
- Does temperature affect how mould grows?
- Research a health topic.
- Can aspirin prolong the life of cut flowers?
- What is the effect of music on learning?
- What is the effect of light on mood?
- How do vocal warm ups affect how long you can hold a note?
- How does the brand of crayon affect the time it takes to melt?
- Will laundry detergent affect plant growth?
- Does Miracle Grow affect the way a plant grows?
- How does salt affect how fast ice will melt in a cup of water?
- How do different styles of ramps affect how far a toy car will travel?
- How does the tail affect the flight of a kite?
- How are rainbows formed?
- Make a homemade pinhole camera.
- Construct a homemade periscope and use it to explain light reflection.
- Does salt water affect buoyancy?
- How does temperature affect the growth of crystals?
- Which wrapping would keep sliced apples the longest in a refrigerator—foil, wax paper, plastic wrap or bags?
- Does salt affect the boiling point of water?
- Demonstrate how a simple machine works.
- Which paper airplane will fly the farthest?
- Compare the strength of different brands of paper towels.
- What are the effects of gravity on seed sprouting?
- Does seed size affect germination rates?
- How much weight can a group of balloons lift?
- What materials are the best insulators?
- How does surface area affect the evaporation rate of liquid?