2000 Counting Calories A web page on how scientists count calories in food. From my Books I developed these workshops based on books written by Pat Murphy and me. Patterns of Nature Colors of Nature Sweden Spring 2000 Activities from Sweden Buoyancy , compare aluminum foil to crumpled aluminum foil. Candles in a jar , observe candles at different levels in a jar go out one by one. Old Water Glass , Tip an inverted glass full of water covered by acetate.
Water leaks out to be replaced by air.
Nose Cone , Look through a cone and find depth perception difficult. Dry Tongue , dry taste buds don't work Bouncing Egg , bounce an egg off a basketball and watch out. Pump , make a pump in a film can. Colored Shadows Mirror , a mirror at the colored shadows exhibit is fun. Spoon Rattleback Spin a bent spoon and watch it stop spinning and reverse its motion.