Abstract
Investigating Science with Children was prepared by the joint project of NSTA (the National Science Teachers Association) and NASA (the National Aeronautics and Space Administration) for the purpose of the development of elementary school science teaching. The handbooks were included following 6 volumes : 1: Living Things, 2: Atoms and Molecules, 4: Motion, 5: Energy in Waves, 6: Space, and each book was about 90 pages of A-4 binding. In this report is was intended to introduce the general approach and philosophy of the series, and also to present 4 activities (experiments) selected from 64 activities in Atoms and Molecules, and to evaluate the actualization of the philosophy to the real activity. The difference of the situation between our country was also discussed.