Catapult kit to explore force, acceleration, Hooke's law, parabolic trajectories by building and testing a fully-functional catapult. Contains catapult base, sides, lever arm, rubber bands, screws, dowels, hook, ping-pong ball. Aids in conceptualization of abstract mathematical ideas
Kit, Engineer And Explore Materials For Prosthetics, contains enough materials for 15 groups, Teacher's Manual, Student Study Guide copy masters are included, will investigate physical properties of various metals, ceramics, polymers, determine which is suitable for hip replacement prosthetic