A step-by-step approach to kites and other flying objects with directions for making them from simple materials.

Take to the skies and make your paper fly! Swoop, dive, glide, float, and hover with these 35 brilliant flying objects and animals that can be made in minutes.

This book applies common sense principles to research findings in order to facilitate effective teaching and successful learning.

Do helicopters need more or less energy to stay in the sky than an airplane? What pushes a rocket to leave the atmosphere? Why can airplanes have smaller motors