3 Book Set
Master Physical Science with this Hands-on Series! Teach the various types of Machines in Motion using concepts of gravity, air pressure, and motion. Study inclined plane, wedge, screw, lever, wheel and axel, and pulley. Students will understand the properties of air and the principles of flight, and will be able to relate science and technology to life outside the classroom.
OTM2118 - Force and Motion
OTM2100 - Simple Machines
OTM2102 - Taking Off With Flight
96 pages each