Electrical discharges Student activity Play

Electrical discharges Animation Play

Formation of the embryo Slideshow Play

Hearing Class activity Play

Industrial production of enzymes Animation Play

Industrial uses of bacteria Class activity Play

Infrasound and ultrasound Class activity Play

Infrasound and ultrasound Whiteboard presentation Play

Mechanoreceptors – hearing Student activity Play

Perpetual motion machine Whiteboard exercise Play

Perpetual motion machine Student activity Play

Perpetual motion machine of the first and second kinds Animation Play

Prenatal diagnosis Slideshow Play

Prenatal diagnosis Student activity Play

Production of enzymes Student activity Play

Sound waves Student activity Play

Sound waves Animation Play

The factor machine Whiteboard exercise Play

The lever as a simple machine Slideshow Play

The remainder machine Whiteboard exercise Play

The remainder machine Student activity Play

The Second Law of Thermodynamics Whiteboard presentation Play

The Second Law of Thermodynamics Class activity Play

Transformation machine Animation Play

Two-part calculations Student activity Play