반응형 고1 천재 이재영 7과2 고1 천재 이재영 7과 Further Reading Birds, Kites, and Power Lines Further Reading Birds, Kites, and Power Lines Why can a bird stand on a power line and not get shocked? This has to do with how electricity works. Electricity flows between two points that differ in voltage. Since there is no voltage difference between the bird's feet, electricity does not flow through the bird's body. If a bird touches two wires that differ in voltage, however, electricity will.. 고1 천재 이재영 7과 본문 The Science of Flight Lesson 7 Science Everywhere The Science of Flight Have you ever wondered what makes a kite fly, or what a kite and an airplane have in common? The truth is that they both rely on the same science―the science of flight. Basics of Flight There are four main forces involved in flight: lift, weight, thrust, and drag. Lift is created by the difference in air pressure between the air flowing over an a.. 이전 1 다음 반응형