Solubility of sugar at different temperatures Animation Play

Spread of distribution Animation Play

Square pyramid of apples Animation Play

Squaring a number Student activity Play

Sympatric speciation in the apple maggot fly Slideshow Play

Temperature and solubility Student activity Play

The apples that do not fall into the basket Whiteboard exercise Play

The apples that fall into the basket Whiteboard exercise Play

The calorific values of food Slideshow Play

The certain event Student activity Play

The effects of mutations in somatic cells Student activity Play

The effects of mutations in somatic cells – negative for the organism but positive for humans Slideshow Play

The impossible event Student activity Play

The same magnitude Student activity Play

The value of an algebraic expression Student activity Play