1 What is the best way to get rid of static electricity? 2 What's the best way to clean a penny? 3 Which liquid makes gummy bears grow the biggest? 4 Which material makes the best waterproof coat? 5 Which liquid melts ice cubes fastest? 6 Which food makes the best fizzy dancers? 7 Which fabric is best for keeping a drink warm? 8 Does sound travel best through solids, lliquids or gases? 9 Where to plants grow best? 10 Are magnets affected by temperature? 11 Which liquids break surface tension? 12 Which colour of felt tip pen has the most inks in it?