This workbook, with over 40 experiments, covers the following topics: Scientific Investigation, Changes In Matter, Electricity In Matter, Organisms, Light Human Body, Life Cycle and Reproduction, Weather, Earth and How It Changes If you are homeschooling (or if you are just trying to get extra practice for your child), then you already know that science workbooks and curriculum can be expensive. HomeSchool Brew is trying to change that We have teamed with teachers and parents to create books for prices parents can afford. We believe education shouldn't be expensive.