Energy and movement Student activity Play

Energy as an essential factor in muscle contraction Student activity Play

Energy balance Student activity Play

Energy conservation Class activity Play

Energy consumption, the kilowatt-hour Student activity Play

Energy conversion Student activity Play

Energy conversions Class activity Play

Energy due to fusion Student activity Play

Energy during oscillation Student activity Play

Energy expenditure and loss in heterotrophs Student activity Play

Energy expenditure for physical activity Student activity Play

Energy flow and food chains Student activity Play

Energy flow and matter circulation Student activity Play

Energy flow and the circulation of matter Class activity Play

Energy from respiration Student activity Play

Energy in a food chain Student activity Play

Energy in chemical reactions Student activity Play

Energy in elastic collisions Student activity Play

Energy in inelastic collisions Student activity Play

Energy in modern society Student activity Play

Energy in nuclear reactions Student activity Play

Energy levels Student activity Play

Energy levels Student activity Play

Energy losses Student activity Play

Energy losses Student activity Play

Energy losses Student activity Play

Energy of a pendulum ball Student activity Play

Energy of electromagnetic radiation Student activity Play

Energy of oscillations Class activity Play

Energy of rotational motion Class activity Play