I need to make a presentation on Aviation for second graders, what topics could i cover in it?
Here you go, hope this helps!

1. What is aviation and its history?
2. Different types of aircraft - airplanes, helicopters, gliders, etc.
3. How do airplanes fly?
4. Basic parts of an airplane - wings, engines, cockpit, etc.
5. Flight instruments and navigation systems
6. Airports and air traffic control (ATC)
7. Jobs in aviation - pilots, air traffic controllers, mechanics, etc.
8. Famous aviators and their contributions (e.g. Wright brothers, Amelia Earhart, etc.)
9. Safety and security in aviation
10. Environmental impact of aviation
11. Future of aviation - new technologies and innovations.
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