1. Teaching Tool: It can intuitively reveal abstract scientific phenomena, demonstrate the complex processes of objects, stimulate students' rich sensory experiences and deep understanding, and help them quickly and accurately grasp the teaching content. 2. Lift: The primary reason for the lift and glide effect of an airplane is its wings, which exert an influence on the aircraft. The wings are the main lifting surfaces and are of significance for flight. 3. Structure: This instrument consists of a fan, an airplane model, a transparent cover, a push rod, a push rod pressure plate, a wooden base, etc. Except for the airplane model and the push rod pressure plate, which can be removed, the other parts of this instrument are fixed in place. 4. Instrument Maintenance and Precautions: After use, the instrument should be stored in a cool, dry place, avoiding contact with corrosive gases or liquids. Do not subject the instrument to strong pressure or drop it to prevent damage.