yTeach - Teaching resources and tools


	[Animation] A range of sizes Play

	[Animation] A rational expression and its simpler form Play

	[Animation] A ray of laser light Play

	[Animation] A record of sales of strawberries Play

	[Animation] A rectangular fence Play

	[Animation] A rectifying system Play

$A refracting telescope$	[Animation] A refracting telescope Play

	[Animation] A regular arrangement of the substituents Play

	[Animation] A rotor Play

	[Animation] A rough guess Play

	[Animation] A ruler Play

	[Animation] A Russian matchmaker Play

	[Animation] A satellite's orbital plane Play

	[Animation] A saturated salt solution Play

	[Animation] A savings account in a bank Play

	[Animation] A scale Play

	[Animation] A second-class lever Play

	[Animation] A see-saw Play

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

	[Animation] A semiconductor diode Play

	[Animation] A sequence Play

	[Animation] A series combination of resistors Play

	[Animation] A shared electron pair Play

	[Animation] A shortcut Play

	[Animation] A shot from a cannon Play