States of Matter: Everything around you is made of matter. Scientists group matter based on its properties, or characteristics: what it looks like and how it acts in different situations. Matter can take three different forms. The three forms are solid, liquid, and gas. Solid matter has a
How To Make a Penny Battery — See how to make a penny battery today and always have a quick source of power in an emergency. Perfect for small projects like powering a small clock or LED's light bulbs.