How to find out whether a given material is a pure substance or a mixture? Animation Play

How to obtain fissile material? Animation Play

How was it possible for airships to fly in the air? Animation Play

Human organ systems Class activity Play

Liquids of different densities poured into one container Animation Play

Lungs Illustration Play

Magnets Whiteboard exercise Play

Magnets Student activity Play

Mercury Slideshow Play

Metabolism of toxic substances in the liver Slideshow Play

Metamorphic rocks and circulation of rock material Class activity Play

Metamorphic rocks and circulation of rock material Whiteboard presentation Play

Miscellaneous problems Student activity Play

Molecular structure of substances Animation Play

Nitration of benzene Student activity Play

Nitrogen oxides and smog Student activity Play

Nutrients Student activity Play

Nutrients in food Slideshow Play

Objects attracted by a magnet Animation Play

Occurrence of aldehydes and ketones in nature Student activity Play

On what does an increase in temperature depend? Student activity Play

On what does an increase in temperature depend? Simulation Play

On what does kinetic friction depend Student activity Play

On what does kinetic friction depend Whiteboard exercise Play

Other organelles that contain genetic material Whiteboard exercise Play