Discusses the difference between science and superstition, the basic nature of science as a way of thinking, and the ways in which amazing events can be explained rationally.
Discusses the difference between science and superstition, the basic nature of science as a way of thinking, and the ways in which amazing events can be explained rationally.
Describes projects involving mirrors covering reflection of light, image formation in a mirror, reversed images, mirror writing kaleidoscope effects, multiple images in mirrors at an angle, and optical illusions with mirrors.
This soft-cover workbook is designed to introduce pupils in the junior and senior high grades to the principles of constructing polyhedral shapes. This type of shape is a solid formed by plane faces.
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