This series provides a total of 200 investigative activities, covering a wide range of science content. Students discover scientific concepts, recognize science in everyday life, and build confidence with experimental work. Grades 5 and up.

Book A: The Material World covers Matter, Heat, Mixtures, Chemical Change, Acids and Bases. Book B: The Physical World covers Electricity, Magnets, Force, Light, Sound. Book C: The Living World covers Animals, Microscopic Life, Plants, Your Body, Chemistry of Life. Book D: Earth and Beyond covers Planet in Space, Rocks and Minerals, Forces of Nature, Oceans, Atmosphere.