Looking in the mirror PPT-Sujiao Science Five Courseware
January 09 11:19:04, 2021
Eva Toe Separators,Foam Toe Separators,Disposable Eva Toe Separators,Pedicure Toe Separators Yangjiang Etina Houseware Co., Ltd. , https://www.etinanailtools.comPPT 1. "Mirror" in Science Edition 5 of the Jiangsu Education Board. Mirror can change the propagation route of light. 2. The objects seen in the mirror and the actual objects are unchanged up and down, front and back, and left and right. Activity requirements: Students in groups of three do mirror games. Thinking: What do you know through the game?