Great set of science reference & experiment books for homeschool elementary and middle school. Grades 4, 5, 6, 7, 8. Science Experiment books: 365 Awesome Science Experiments (uses common items) Scienceworks: 65 Experiments that introduce the fun and wonder of science (uses common items) Science Reference books: Time for Learning Science Scholastic Everything You Need to Know about Science Scott Foresman Science textbook (acceptable condition only)