Keyword Analysis & Research: why does hot air expand

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why does hot air expand	1.13	0.8	1748	50	23
why	1.52	0.8	330	47	3
does	1.17	0.9	4685	98	4
hot	1.53	0.2	7298	8	3
air	0.87	1	4120	9	3
expand	1.12	0.1	8797	26	6

Keyword	CPC	PCC	Volume	Score
why does hot air expand	0.89	0.5	7370	23