4 Natural Science and Technology Textbooks with Videos, Grades 4-6 These are four engaging texts with worksheets in the student version, and a teacher edition giving explanations and answers for each one. They cover these subject areas, as listed below: plants, animals, food, matter and materials, energy, electricity, earth, and the solar system. The folders linked below also contain teaching videos and documents that supplement the content discussed and taught in each textbook. Grade 4, Part 1 – Natural Sciences and Technology Textbook with Videos Grade 4, Part 2 – Natural Sciences and Technology Textbook with Videos Grade 6, Part 1 – Natural Sciences and Technology Textbook with Videos Grade 6, Part 2 – Natural Sciences and Technology Textbook with Videos