Counting bacteria Student activity Play

Determining the number of bacteria in a sample Animation Play

Finding the period Student activity Play

Investigating the reaction of a metal and a non-metal with dilute acid Student activity Play

Investigating the reaction of a metal and a non-metal with dilute acid Simulation Play

Investigation of differences in conductivity Animation Play

Investigation of the amphoteric properties of beryllium hydroxide Animation Play

Investigation of the destructive properties of sulphuric(VI) acid Slideshow Play

Investigation of the effect of reactant particle size on the rate of a reaction Animation Play

Investigation of the effect of temperature on the rate of chemical reactions Animation Play

Subject of investigation Whiteboard exercise Play

Sum of trigonometric functions – investigations Animation Play

Trigonometric identities – investigations Simulation Play

Trigonometric identities – investigations Student activity Play

Variables and cases Whiteboard exercise Play

Variables and cases Student activity Play