Electron energy levels in an atom Class activity Play

Elementary composition of the human body Simulation Play

Elements of the body's response Whiteboard exercise Play

Energy and movement Whiteboard exercise Play

Energy and movement Student activity Play

Energy conservation Animation Play

Energy expenditure and loss in heterotrophs Student activity Play

Energy expenditure and loss in heterotrophs Illustration Play

Energy expenditure during the processes of synthesis Whiteboard exercise Play

Energy for the body Slideshow Play

Energy from respiration Student activity Play

Energy levels in a solid body Whiteboard exercise Play

Energy spectrum of a black body Student activity Play

Energy spectrum of a black body Animation Play

Energy spectrum of a black body Whiteboard exercise Play

Energy-saving adaptations Student activity Play

Energy-saving adaptations in the vulture Animation Play

Entropy and conversion of the kinetic energy of a body into its internal energy Student activity Play

Entropy and conversion of the kinetic energy of a body into its internal energy Whiteboard exercise Play

Examples of forces Student activity Play

Examples of translation Student activity Play

Examples of translation Animation Play

Factors affecting transpiration Whiteboard exercise Play

Falling body Animation Play

Fetal development Slideshow Play