Fractions are foolers. For this reason, they make good puzzles. Here's a puzzle about different fractions of apple, cherry, and blueberry pie. Would you rather have the one piece of apple, the...
The mysterious Mobius strip!
If you have a piece of paper, that paper will have two sides, right? If you wanted to, you could color one side red and the other side blue, couldn't you? And even if you roll the paper into a tube,...
Make a tin-can telephone
Materials > • hammer > > • nails (3 small) > > • thread (heavy duty--- > > 12 feet; 3.6 meters) > > • tin cans (2) This telephone doesn't need electricity to work. A piece of thread carries...
Bamboo wind chimes
Bamboo is a giant grass that grows in lands that are very hot and wet. It is stiff, like wood, and has a hollow stem. Materials - bamboo pole - coping saw - hand drill with j-inch twist drill...