要提高小学科学课的课堂效果,教者在课前必须精心的准备工作。先要备教材,对教材要进行钻研,掌握教材,这样才能把握课中的重难点。教者要做好科学课前的各项材料准备工作,因为科学课如果做实验,准备更要充分。教 To improve the classroom effect of science in primary schools, teachers must be carefully prepared before class. To prepare teaching materials, textbooks to conduct research, master textbooks, so as to grasp the lesson of the heavy and difficult. The teacher must do a good job of preparing materials before the science class because the science class should be more prepared if it is to be experimented. teach