Narrative representation for ‘convection’ in liquids.

Setting				Code of textbooks
Situations in which containers containing liquid are heated		Heat source, water tank, water		1a, 2a, 3a, 4a, 5a, 6a, 09a
		Heat source, beaker, water		7a
		Heat source, test tube, water		4a, 15b
		Heat source, kettle, water		15b, 15c, 15i
		Heat source, pot, water		15a, 15f, 15h, 15j
Situations in which containers containing liquid are cooled		Ice, cup, water		15d
Mean of visualization	Process	Vector	Actor	Examples of visualization	Code of textbooks
None	Implicit	Implicit	Sawdust		3a, 4a, 5a, 6a
	Unidirectional	Implicit	Ink		7a
	Verbal	From bottom of pot to top of pot	Water		15d
Arrow	Unidirectional	From bottom of pot to top of pot	Implicit		09a, 15a, 15c, 15g, 15h, 15i, 15j
	Circular	RED: from bottom of pot to top of pot far from fire BLUE: from top of pot to fire	Implicit		15b, 15e, 15f
		Circulation from bottom to top of the tank once and back to bottom of the tank	Implicit		1a, 2a
		Circulation from bottom to top of the pot once and back to bottom of the pot	Tea leaves		07a