Extra features include: Spanish language track, discussion questions & activities, investigative data sheet, chapter select.
Summary:
Children will discover that the flight of an airplane is dependent upon the balance of four forces; gravity, lift, thrust, and drag. They will also examine how helicopters and air balloons work.
Series:
Schlessinger science library. Physical science for children
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.