Growth of plants Slideshow Play

Growth rates Animation Play

Haber process for the synthesis of ammonia Animation Play

Hardness of rocks and the rate of erosion Animation Play

Heart rate Simulation Play

Heart rate increase Animation Play

Heart rate – regulation by the nervous and endocrine systems Student activity Play

Heart rate – regulation by the nervous and endocrine systems Whiteboard exercise Play

Heart sounds and pulse Student activity Play

Heart sounds and pulse rate Slideshow Play

Heart; vessels and blood pressure Student activity Play

Heart; vessels and blood pressure Simulation Play

Heterogeneous catalysis Student activity Play

Heterogeneous catalyst Animation Play

Hormonal regulation of growth and development in humans Student activity Play

Hormonal regulation of growth and development in humans Illustration Play

How cells use energy for their life functions Slideshow Play

How do cells use energy? Student activity Play

How temperature affects reaction rates Student activity Play

How the concentration of a reactant affects reaction rate Animation Play

How the concentration of a reactant affects reaction rate Student activity Play

How the reaction proceeds in the presence of the enzyme Animation Play

How to explain it? Animation Play

Hydrological cycle Student activity Play

Inflation Student activity Play