What is the effect of temperature and pressure on the solubility of gases? Slideshow Play

What is weathering? Slideshow Play

When is the composition of functions used? Student activity Play

Where stars are born? Student activity Play

Where stars are born? Whiteboard exercise Play

Which beakers contain a saturated solution? Whiteboard exercise Play

Why can a liquid evaporate at a temperature below its boiling point? Animation Play

Why gas pressure increases with an increase in its temperature Animation Play

Why the temperature affects the reaction rate? Animation Play

Wien's Displacement Law Simulation Play

Wien's Displacement Law Whiteboard exercise Play

Wien's Displacement Law Student activity Play

Wire resistance Animation Play

Women's handwriting and men's handwriting Student activity Play

Woodland plants Animation Play

Würtz reaction Animation Play

Yoko's discovery Animation Play

Zero-order reactions Student activity Play