Exchange of heat between organisms and their environment Student activity Play

Exchange of substances with the external environment Animation Play

Expanding the liquids Simulation Play

Expansion and contraction Student activity Play

Expansion of air Student activity Play

Expansion of air Whiteboard exercise Play

Expansion of liquids Student activity Play

Expansion of liquids Whiteboard exercise Play

Experimental observations Animation Play

Experiments with gases Illustration Play

Explosion of nitroglycerine Whiteboard exercise Play

Extraction of titanium Animation Play

Extraction of titanium Student activity Play

Factors influencing variation Class activity Play

Factors influencing variation Whiteboard presentation Play

Fast and slow reactions Student activity Play

Features of populations Class activity Play

Filtration Student activity Play

Filtration apparatus Whiteboard exercise Play

Finding out the state of a substance at room temperature Slideshow Play

Fire sprinkler system Whiteboard exercise Play

Floating on the surface Animation Play

Floating on the surface Whiteboard exercise Play

Floating on the surface Student activity Play

Floats or sinks? Simulation Play