A second-class lever Animation Play

A see-saw Animation Play

A segment square root of 2 units long and others Animation Play

A semiconductor diode Animation Play

A sequence Animation Play

A series combination of resistors Animation Play

A shared electron pair Animation Play

A shortcut Animation Play

A shot from a cannon Animation Play

A sigma bond Animation Play

A simple hydraulic machine Animation Play

A simple trick Animation Play

A simplified transistor Animation Play

A single covalent bond Animation Play

A small amount of water in the organism Animation Play

A source of heat Animation Play

A source of voltage Animation Play

A space sailing ship Animation Play

A special case Animation Play

A special case of the inverse function Animation Play

A sphere Animation Play

A spoon in a glass of water Animation Play

A spoon in a glass of water Animation Play

A spreadsheet Animation Play

A spring Animation Play

A square root Animation Play

A stable configuration of carbon atom Animation Play

A staircase Animation Play

A standing wave Animation Play

A standing wave in a pipe Animation Play