Provision and emission of heat Whiteboard exercise Play

Radioactive decay Student activity Play

Radioactivity Student activity Play

Radioactivity Animation Play

Rate at which work is done Whiteboard exercise Play

Rate at which work is done Student activity Play

Rate equation and order of reaction Whiteboard exercise Play

Rate equation and order of reaction Student activity Play

Rate of birth Whiteboard exercise Play

Rate of birth Student activity Play

Rate of change in the exponential function Simulation Play

Rate of change in the function y = ln|x| Whiteboard exercise Play

Rate of change in the natural logarithmic function Simulation Play

Rate of change on the straight line Whiteboard exercise Play

Rate of change on the straight line Student activity Play

Rate of flow of organic solutes Simulation Play

Rate of glomerular filtration and amount of ingested water Simulation Play

Rate of photosynthesis and water balance of a plant Slideshow Play

Rate of radioactive decay Animation Play

Rate of respiration Slideshow Play

Rates of change Class activity Play

Rates of change Whiteboard presentation Play

Rates of water evaporation Slideshow Play

Ratio and proportion Whiteboard presentation Play

Ratio and proportion Class activity Play