Acid reactions Class activity Play

Acid reactions Whiteboard presentation Play

Alcoholism Student activity Play

Alcoholism Slideshow Play

Construction of a system of linear equations Student activity Play

Dilution of concentrated solutions Student activity Play

Heat balance Student activity Play

Sandwiches and drinks Animation Play

Solubility of sugar at different temperatures Animation Play

Something to eat and drink in the Internet Café Whiteboard exercise Play

Something to eat and drink in the Internet Café Student activity Play

Something to eat and drink in the Internet Café Whiteboard exercise Play

System of equations describing drinks and ice-creams problem Whiteboard exercise Play

Temperature and solubility Student activity Play