Equip the next generation of scientists with a brand new series from Chris Ferrie, the #1 Science author for kids How do airplanes stay up in the sky? That\'s the question Red Kangaroo needs answered and she knows exactly who can help her--Dr.
Chris Ferrie offers a kid-friendly introduction to the Science of Flight i.
Chris Explore the four forces of flight--drag, lift, thrust and weight--and get ready to take off with this introduction to Aerospace engineering.
Equip the next generation of scientists with a brand new series from Chris Ferrie, the #1 Science author for kids How do airplanes stay up in the sky? That\'s the question Red Kangaroo needs answered and she knows exactly who can help her--Dr