Question

For her science presentation, Heather is using models to show how an airplane is able to fly through the air. She uses technology to learn about how airplanes are able to fly. After she learns about airplanes, she sketches a picture of one. Which type of models did Heather use?

Answer 1

An airplane has specially designed wings called airfoils that move the air on the top of the wing faster than the air below the wing, creating higher pressure under the wing. Energy flows from higher to lower energy levels; the difference in pressures above and below the wing causes the upward force called lift.