Radiation Animation Play

Radiation Student activity Play

Radiation Whiteboard exercise Play

Radiation of heat Student activity Play

Radiation of heat Whiteboard exercise Play

Radioactive waste disposal Slideshow Play

Rain Animation Play

Rate of photosynthesis and water balance of a plant Slideshow Play

Reaction course under changing environmental conditions Animation Play

Reaction of iron with chlorine Animation Play

Reactions between halogens and metals Student activity Play

Reactions to heat and cold Student activity Play

Reactions to heat and cold Whiteboard exercise Play

Reducing friction Student activity Play

Refrigerator Student activity Play

Refrigerator Whiteboard exercise Play

Regulation of body temperature Slideshow Play

Regulation of salt balance – the role of aldosterone Student activity Play

Regulation of salt balance – the role of aldosterone Whiteboard exercise Play

Regulation of water balance in human Simulation Play

Regulation of water balance – the role of antidiuretic hormone Student activity Play

Regulation of water balance – the role of antidiuretic hormone Whiteboard exercise Play

Renewable and non-renewable sources of energy Whiteboard exercise Play

Renewable and non-renewable sources of energy Student activity Play

Reversibility of the Carnot cycle Animation Play