How Do Aircraft Fly?

ISBN-13: 9781604134643 / Angielski / Twarda / 2009 / 32 str.

Susan Markowitz Meredith Science and Curriculum Consultant; Susan Markowitz Meredith

Opis

If you go outside on a windy day, you realize just how strong air can be. But even when the air is calm, you can feel its strength and resistance when you move. This title reveals the science behind air pressure and flying from hot-air balloons to helicopters to jet aircraft.