Thorium series Illustration Play

Transverse and longitudinal waves Student activity Play

Transverse and longitudinal waves Animation Play

Transverse and longitudinal waves Whiteboard exercise Play

Types of radiation Animation Play

Uranium half-life time Whiteboard exercise Play

Uranium series Chart Play

Uranium series Illustration Play

Volume of liquids Student activity Play

Volume of liquids Whiteboard exercise Play

Water in nature Slideshow Play

What are chemical compounds? Student activity Play

What are colloids? Animation Play

What are colloids? Student activity Play

What are gases? Animation Play

What are the differences between the three physical states of the same type of matter? Student activity Play

What factors affect the process of diffusion? Student activity Play

What factors affect the process of diffusion? Animation Play

What happens during the process of dissolution? Animation Play

What if gases did not mix with each other? Animation Play

What is the structure of gases? Student activity Play

What is the structure of liquids? Animation Play

What is the structure of liquids? Student activity Play

What is the structure of solids? Student activity Play

Why don't solids change their shape spontaneously? Animation Play