作为一名身处教学资源极其匮乏的学校的科学教师,笔者最大的感受是上科学课难,上科学课累。“难”是因为根据教材必须准备的实验器材难以获得。“累”是因为准备实验器材要花费太多的时间和精力。笔者认为,解决“难”和“累”的好方法是,科学教师应该根据教学设计有针对性地自制适合的教具和 As a science teacher in a school where teaching resources are extremely scarce, the author's biggest feeling is that it is difficult to attend science class and tired of science class. “Difficult ” because the experimental equipment that must be prepared according to the teaching material is difficult to obtain. “Tired” is because it takes too much time and effort to prepare the lab equipment. The author believes that to solve “difficult ” and “tired ” a good way is that science teachers should be targeted according to the teaching design suitable for teaching aids and