The effect of water on a plant Simulation Play

The effects of friction Whiteboard exercise Play

The effects of friction Student activity Play

The effects of friction Animation Play

The efficiency of a loudspeaker Animation Play

The efficiency of a motor Glossary Play

The efficiency of a motor Animation Play

The efficiency of a motor Whiteboard exercise Play

The efficiency of a motor Student activity Play

The efficiency of a power station Student activity Play

The efficiency of a transformer Student activity Play

The efficiency of an electrical pump Animation Play

The efficiency of appliances Animation Play

The efficiency of appliances Whiteboard exercise Play

The efficiency of appliances Student activity Play

The efficiency of electrical devices Student activity Play

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 electromagnetic spectrum Student activity Play

The electron microscope Whiteboard exercise Play

The electron microscope Student activity Play