Make an acid indicator using red cabbage. Test the following to see if they are acidic and record your results.
– Sugar.
– Lemonade.
– Orange juice.
– Vinegar.
– Flour.
– Toothpaste.
– Apple juice.
– Yoghurt.
Grow two broad beans: one in the light and one in the dark. Record what each is like after two weeks.
Make a carbon dioxide fire extinguisher to put out a candle flame. Explain how it works.
Fill some glass bottles with water and play a tune. Use a magnet and record what happens when you hold it near the following.
– Wood.
– Iron.
– Paper.
– Aluminium.
– Two other materials of your choice.
2. Choose and do two of the following.
Investigate how well newspaper, silver foil and polystyrene act as insulators. Which one keeps an ice-cube frozen for the longest time?
Build something to transport a small load (for example a stock cube).
Make an electric circuit that could be used as a torch.
Make a tower from either rolled-up newspaper or drinking straws. Find out what load it will support.
3. Do one of the following and talk with the tester about it.
Visit a museum or exhibition that specialises in science.
Find out about the discoveries of two famous scientists and how their work has affected our lives.