In zero gravity, a candle's flame is round and blue.
16
A ball of glass will bounce higher than a ball made of rubber.
73
Nylon is made from coal and petroleum.
42
Cold water weighs more than hot water.
93
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Liquid TIDE laundry detergent glows under a blacklight.
96
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42