why does warm air rise while cold air sinks

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why does warm air rise while cold air sinks	0.84	0.2	9462	53	43
why	0.19	0.4	9712	89	3
does	1.51	0.6	6030	52	4
warm	1.8	0.7	1319	75	4
air	1.46	0.8	9169	51	3
rise	1.12	0.4	4245	88	4
while	1.88	0.7	9540	44	5
cold	0.1	0.2	9432	13	4
air	1.82	0.9	9961	72	3
sinks	1.12	0.5	460	24	5

Keyword	CPC	PCC	Volume	Score
warm air sinks and cold air rises	1.02	0.4	9984	80
warm air rises cold air sinks	0.11	0.7	6007	90
why does the cold air sink	1.52	0.2	5292	35
why does heat rise and cold sink	2	0.8	7474	56
does warm air sink or rise	0.02	0.1	8558	5
does cold air rise or sink	1.14	0.8	9843	17
cold air sinks hot air rises	1.7	0.7	4889	30
why does cool air sink	1.2	0.7	4388	25
warm air rises and cool air sinks	0.24	0.8	8151	33
warm air rising and cold air sinking	1.63	0.3	3967	77
does cool air sink or rise	1.01	1	6430	75
does warm air sink	1.1	0.8	3250	42
when air sinks it compresses and warms	0.54	0.8	4154	31
does hot air sink or rise	1.03	0.7	9349	25
sinking air becomes warmer in this system	1.56	0.7	1099	65
warm air rises and cold air sinks is called	0.92	0.3	3042	44
why warm air rises and cold air sinks	0.65	0.3	8256	5
does cold air rise and warm air sink	1.4	0.1	7916	17
warm air sinks while cold air rises	0.52	0.7	6006	66
warm air rises and cold air sinks	0.51	0.5	1762	10
why does warm air rises and cold air sinks	1.73	0.8	3672	32