For many children, geometry is best understood as a hands-on subject. What better way to explore concepts such as area, perimeter, and volume than actually measuring area, perimeter, and volume? With this handy resource, children will build polygons out of pipe cleaners and flexible drinking straws, explore Mobius strips made from index cards, and model the Pythagorean Theorem using cheese crackers. These activities and more can be found in Junk Drawer...

Biology is the study of life, and all the wonderful, squishy, messy parts that living things are made of. And children love messy science, especially hands-on experimentation! Junk Drawer Biology will demonstrate that you don't need high-tech equipment to make learning fun-just what you can find in your recycling bin and around the house. Aspiring doctors can build a model of human lungs with balloons and a soda bottle, and a homemade stethoscope...