50 Flying, Floating, Flipping, Spinning Gadgets Kids Create
It shows you the science of how
things work as you build a rocket boat, kaleidoscope, mousetrap car,
and lots of other wonderful gizmos.
Cosmic Science: Over 40
Gravity-Defying, Earth-Orbiting, Space-Cruising Activities for Kids
From rocketing out of Earth's
gravity and orbiting our planet to probing other planets and walking
on the Moon, Cosmic Science makes exploring space a blast! More than
40 easy, safe—and fun—activities show how rockets work, why the
shape of the Moon seems to change,
just how much power the Sun has, what it's like to live and
work in space, and much more!