Races Animation Play

Reading the newton scales Whiteboard exercise Play

Real gases Student activity Play

Recognizing the pressure equation Whiteboard exercise Play

Reflecting telescope Student activity Play

Reflecting telescopes Animation Play

Refracting telescope Student activity Play

Relationship between weight and mass Animation Play

Relative abundance of isotopes and mass spectra Student activity Play

Relative atomic mass Student activity Play

Resistors with variable resistance Student activity Play

Right hand rule Animation Play

Rocket engine parameters Animation Play

Rolling down an inclined plane Student activity Play

Selected physical properties of oxides Chart Play

Semiconductor diode Animation Play

Semiconductor diode Whiteboard exercise Play

Semiconductor diode Student activity Play

Semiconductors Animation Play

Sentences about weight Whiteboard exercise Play

Series and parallel circuits Class activity Play

Shooting Simulation Play

Standard enthalpies of formation for elements Chart Play

Standard enthalpy of formation Student activity Play

Symbols and formulae in chemical reactions Animation Play