Introduce your children to physical characteristics, states of matter, temperature, the sun, light, color, shadows, magnets, sound, friction, energy, and simple machines with Learning About Science for Young Learners: Physical Science. Each topic is broken into short, bite-sized pieces accompanied by simple activities. You can work through the entire book or simply choose to focus on specific topics. If you choose to work through the entire unit, there are 60 daily lessons, broken into twelve we