The efficiency of electrical devices Whiteboard exercise Play

The efficiency of energy transfer Slideshow Play

The efficiency of simple machines Student activity Play

The efficiency of the energy conversion process Student activity Play

The efficiency of the energy conversion process Simulation Play

The efficiency of the energy conversion process Whiteboard exercise Play

The electrical conductivity of oxides Whiteboard exercise Play

The electromagnetic spectrum Student activity Play

The electron microscope Whiteboard exercise Play

The electron microscope Student activity Play

The emission and absorption of photons Simulation Play

The emission and absorption of photons Student activity Play

The emission of light Animation Play

The energy and work of a capacitor Animation Play

The energy change for the synthesis of HCl Whiteboard exercise Play

The energy changes during the course of a chemical reaction Animation Play

The energy cycle – Calvin cycle Animation Play

The energy diagram Animation Play

The energy due to nuclear fission Whiteboard exercise Play

The energy due to nuclear fission Student activity Play

The energy from inside the Earth Slideshow Play

The energy in fossil fuels Animation Play

The energy levels in a solid body Animation Play

The energy levels in a solid body Student activity Play

The energy levels in a solid body Animation Play