A copper wire Animation Play

Acid-base indicators Chart Play

Adjusting the strength of an electromagnet Simulation Play

Air pressure Whiteboard presentation Play

Air pressure Class activity Play

Aliphatic amines: properties as bases Student activity Play

Amino acids – the basic constituents of proteins Student activity Play

Amino acids – the basic units of proteins Student activity Play

Amino acids – the basic units of proteins Whiteboard exercise Play

Atmospheric pressure Class activity Play

Atmospheric pressure Whiteboard presentation Play

Atom – the basic component of matter Animation Play

Atoms, nucleons and electrons Animation Play

Atoms, nucleons and electrons Student activity Play

Base strength Animation Play

Basic amino acids Slideshow Play

Basic components of each living cell Illustration Play

Basic constants Chart Play

Basic exponential equations Class activity Play

Basic exponential equations Whiteboard presentation Play

Basic exponential equations Student activity Play

Basic exponential equations Whiteboard exercise Play

Basic notions Student activity Play

Basic notions Whiteboard exercise Play

Basic oxides Animation Play