Our proven Spectrum Science grade 8 workbook features 176 pages of fundamentals in science learning. Developed to current national science standards, covering all aspects of eighth grade science education. This workbook for children ages 13 to 14 includes exercises that reinforce science skills across the different science areas. Science skills include: Scientific method * acids and bases * adaptation * geological characteristics * abilities of technological design * Science and Nutrition * Science as a human endeavor. 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!