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

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why does cold air sink and hot air rise	0.21	1	2473	71	39
why	1.89	0.4	674	93	3
does	0.68	0.5	388	25	4
cold	0.82	0.1	816	38	4
air	0.86	0.4	1662	76	3
sink	0.39	1	647	21	4
and	0.31	0.2	7863	91	3
hot	1.61	0.4	6365	79	3
air	1.19	0.7	9943	13	3
rise	0.29	0.1	3543	22	4

Keyword	CPC	PCC	Volume	Score
why does cold air sink and hot air rise	0.31	0.3	2652	91