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.
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.
General Note
Extra features include: Spanish language track, discussion questions & activities, investigative data sheet, chapter select.