Reactions between Group 1 and 2 metals and water Student activity Play

Reactions between Period 3 elements and water (1) Student activity Play

Reactions of metals with water and steam Student activity Play

Reactivity of the alkaline-earth-metals and their electron configurations Animation Play

Real gases Student activity Play

Recycling of aluminium Whiteboard exercise Play

Recycling of aluminium Slideshow Play

Recycling of paper, glass and metal Student activity Play

Redox reactions around us Student activity Play

Redox reactions around us Slideshow Play

Reflection diagrams Whiteboard exercise Play

Refraction diagrams Student activity Play

Refrigerator Whiteboard exercise Play

Refrigerator Student activity Play

Relationship between momentum and energy Whiteboard exercise Play

Relationship between momentum and energy Student activity Play

Relationship between the wavelength and the energy of an electromagnetic wave Animation Play

Relationships between free energy and metabolic reactions Whiteboard exercise Play

Relative abundance of isotopes and mass spectra Student activity Play

Relativity of potential energy Animation Play

Renewable and non-renewable energy sources Slideshow Play

Renewable and non-renewable sources of energy Whiteboard exercise Play

Renewable and non-renewable sources of energy Student activity Play

Renewable energy resources Whiteboard exercise Play