1. The Airplane: How Does it Work?
According to Donald Lopez, Senior Advisor to the director of the National Air and Space Museum, in his book Aviation a Smithsonian guide, people of that time tried to imitate birds. ... (Lopez, Aviation a Smithsonian guide, 1995, p 16). ... (Aviation a Smithsonian Guide, p 16). ... Each side worked hard to build powerful planes (Lopez, Aviation a Smithsonian Guide, 1995, p 49). ... (Aviation a Smithsonian guide, p 126). ...
- Word Count: 1526
- Approx Pages: 6
- Has Bibliography
- Grade Level: High School