Our proven Spectrum Science grade 3 workbook features 144 pages of fundamentals in science learning. Developed to current national science standards, covering all aspects of third grade science education. This workbook for children ages 8 to 9 includes exercises that reinforce science skills across the different science areas. Science topics include: • Metric System • States of Matter • Photosynthesis • Gravity and Planetary Motion • Medical Science • Personal Health and Fitness • Science as a Collective Effort Our best-selling Spectrum Science series features age-appropriate workbooks for grade 3 to grade 8. Developed with the latest standards-based teaching methods that provide targeted practice in science fundamentals to ensure successful learning!