Science Fair Projects Chemistry Author:Bob Bonnet, Dan Keen, Frances Zweifel How fizzy is soda pop after it's warmed up? What happens to a rubber band that's "stressed out" by being left outside? Which types of clothing keep you warmest, and why? Find out the answers and take top prize at the school science fair with these 47 hands-on and appealing "blue ribbon" chemistry experiments. Test chemical trickery in processed ... more »foods; the concept of pH; viscosity; carbonization; fermentation; evaporation; dilution; and lots more. Identify the minerals in water we normally can't see. Make litmus paper with cabbage juice, and use it to separate the sweet pickles from the sour...without taking a bite! Mix a batch of great new colors with food dyes and sugar--and eat the results when you're done! A really WINNING combination of learning and fun.« less