Planets visible from the Earth Animation Play

Positive effects of mutations in somatic cells Slideshow Play

Positive effects of weeds Illustration Play

Predicted effects of global warming Slideshow Play

Propagation of seismic waves Animation Play

Propagation of seismic waves Whiteboard exercise Play

Propagation of seismic waves Student activity Play

Seismic waves and the inside of the Earth Student activity Play

Seismic waves and the inside of the Earth Whiteboard exercise Play

Strange optical effects Slideshow Play

Surface waves: Rayleigh wave and Love wave Animation Play

Tectonic movements, earthquakes and volcanoes Whiteboard presentation Play

Tectonic movements, earthquakes and volcanoes Class activity Play

Tectonic plates Class activity Play

Tectonic plates Whiteboard presentation Play

The domain of the logarithmic function Student activity Play

The effects of acid rain Slideshow Play

The effects of air pollution Animation Play

The effects of alcohol on the human organism Student activity Play

The effects of alcohol on the human organism Simulation Play

The effects of alcohol on the human organism Slideshow Play

The effects of an antibiotic in the culture medium Animation Play

The effects of cigarette smoking on the human organism Student activity Play

The effects of combinatorial variation Student activity Play

The effects of combinatorial variation Animation Play