1. Different facilities: Science classrooms are usually equipped with some special facilities, such as multimedia teaching equipment and experimental equipment, while ordinary classrooms usually only have some basic facilities, such as desks, chairs and blackboards.

2. Different functions: the science classroom is mainly used for scientific experiments, inquiry and other activities, while the ordinary classroom is mainly used for daily teaching activities, such as the teaching of Chinese, mathematics, English and other courses.

3. Different space sizes: Science classrooms usually need more space to accommodate experimental equipment and equipment, and at the same time, students' safety needs to be considered, so the space is relatively large, while ordinary classrooms are set according to different school and class sizes, and the space size will be different.