Our proven Spectrum Science grade 4 workbook features 144 pages of fundamentals in science learning. Developed to current national science standards, covering all aspects of fourth grade science education. This workbook for children ages 9 to 10 includes exercises that reinforce science skills across the different science areas. Science skills include: data collection - conservation of matter - life cycles - metals and alloys - space technology - changes in population - problem solving. Our best-selling Spectrum Science series features age-appropriate workbooks for grades 3 to grade 8. Developed with the latest standards-based teaching methods that provide targeted practice in science fundamentals to ensure successful learning!