Keyword Analysis & Research: why does warm air rise and cold air sink

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why does warm air rise and cold air sink	0.55	0.6	4492	9	40
why	0.25	0.4	4991	43	3
does	0.7	0.4	9923	3	4
warm	1.94	1	257	47	4
air	1.07	0.5	5598	80	3
rise	0.17	0.8	6446	35	4
and	1.62	0.4	4962	40	3
cold	1.06	1	2388	59	4
air	1.38	0.6	1198	12	3
sink	1.49	0.5	9104	16	4

Keyword	CPC	PCC	Volume	Score
why does warm air rise and cold air sink	1.11	0.8	430	49