SCIENCE AND EDUCATION FILM: Do you know?
Education
Length: 00:18:18
Date: 1962-01-02
Collection
Keywords: Natural Sciences | Encyclopedia | Natural Knowledge | Scientific Knowledge | Sun | Moon | Water | Buoyancy Principle

In this program, the five questions of "Is the sun rising from the east?", "Can cotton-padded jackets give people warmth?", "What is water?", "Why do dumplings float and sink?", and "Why is the moon hiding?" are analyzed.