Floating on the surface Animation Play

Fresnel lens Animation Play

Friction Student activity Play

Friction and acceleration Whiteboard exercise Play

Friction and acceleration Student activity Play

Friction and acceleration Whiteboard exercise Play

Friction in a bike Whiteboard exercise Play

Functions of epithelial tissue Slideshow Play

Gas exchange in tissues Animation Play

Glandular tissue Whiteboard exercise Play

Glandular tissue Student activity Play

Heart structure Slideshow Play

Heterogeneous catalysis Student activity Play

Heterogeneous catalyst Animation Play

Hormones are produced by cells Whiteboard exercise Play

Hormones in living organisms Slideshow Play

How to calculate a change in potential energy near the surface of the Earth Student activity Play

How to calculate a change in potential energy near the surface of the Earth Whiteboard exercise Play

Human nervous tissue Illustration Play

Huygens' Principle Student activity Play

Huygens' principle Animation Play

Iridium satellites Animation Play

Levels of cell organization in the organism Slideshow Play

Light and the electromagnetic spectrum Student activity Play

Light microscopy – magnifying the object Student activity Play