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...

Full content of the course with main concepts and topics are within the lectures. Many Eaxmples are included as a vital part to understand the concepts and to practice applying them.