Physics, Science, Middle school Keywords: Density, uphtrust (buoyancy), liquids, gases, pressure, floating, lifting, sinking, overall density, average density Presents the concept of upthrust, and how the relation...
Physics, Mechanics, Materials Keywords: Hooke's Law, Young modulus, metals, stress, strain, deformation, elasticity, ductile, proportionality (i.e. as material behaviour under stress) Revises what students should...