1. Set teaching objectives: Set clear teaching objectives, including scientific knowledge, skills and attitudes that students should master. These goals should correspond to the theme and duration of the course.

2. Choose the right teaching materials: choose the science teaching materials suitable for students' age and level, and ensure that the teaching materials cover the teaching goals you set; At the same time, the teaching materials should be interesting and inspiring to attract students' interest.

3. Prepare teaching equipment: According to the teaching materials and teaching objectives, you need to prepare corresponding teaching equipment, such as experimental equipment, models, slides, multimedia materials, etc. Ensure that the quality and quantity of these equipment can meet the teaching needs.

4. Make a teaching plan: Make a detailed teaching plan according to the teaching objectives and teaching materials, including the teaching time, teaching methods and teaching activities of each topic. Ensure the rationality and feasibility of the teaching plan.