1 triplet = 1 amino acid Illustration Play

1,1-dichloroethane Animation Play

1-bromopropane reactions Animation Play

1-chloropentane Animation Play

1-chloropropane Animation Play

1°, 2° and 3° carbocations Animation Play

2-chloropropane Animation Play

20 common amino acids Chart Play

2D and 3D interference Student activity Play

2D and 3D interference Animation Play

2D and 3D interference Animation Play

2D and 3D interference Whiteboard exercise Play

A 40-year-old man Illustration Play

A ball on an inclined plane Animation Play

A ballistic pendulum Animation Play

A balloon and a rocket Animation Play

A battery and household mains Student activity Play

A battery and household mains Slideshow Play

A battery and household mains Animation Play

A battery and household mains Whiteboard exercise Play

A battery made of coins Student activity Play

A battery made of coins Animation Play

A battery made of coins Whiteboard exercise Play

A beam of light in a rocket Animation Play

A bicycle wheel Animation Play

A biological population Slideshow Play

A black body Student activity Play

A black body Simulation Play

A black body Animation Play

A black body Whiteboard exercise Play