Grouping materials This database lets you find out about the properties of various common materials. It can be explored in several ways to allow you to group materials by a single property - such as those that conduct electricity - or by several different properties.
Oobleck. This recipe will allow you and your child to create this strange substance, and witness the amazingly weird oscillation between solid and liquid that occurs! What You Need: 1 cup cornstarch 1 bowl 1 glass of water plastic container-like an old, empty yogurt tub food coloring (optional) newspaper to cover the table