why do warm air rise and cold air sink

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why do warm air rise and cold air sink	1.71	0.9	2086	12	38
why	0.07	0.7	1146	75	3
do	0.69	0.3	2219	81	2
warm	1.68	0.2	6707	83	4
air	1.98	1	2660	58	3
rise	0.82	0.5	642	46	4
and	1.56	0.8	6146	70	3
cold	1.57	0.1	2235	4	4
air	1.04	0.7	1695	3	3
sink	0.13	0.6	2861	39	4

Keyword	CPC	PCC	Volume	Score
why do warm air rise and cold air sink	0.49	0.6	7589	69
why does warm air rise and cold air sink	0.72	0.1	6033	59
warm air sinks and cold air rises	0.24	1	6292	33
why does heat rise and cold sink	1.56	1	8824	85
why does the cold air sink	1.32	0.6	5705	45
does warm air sink or rise	0.19	0.9	3061	34
does cold air rise or sink	0.35	0.4	2564	78
why does cool air sink	0.13	0.2	643	56
warm air rises and cool air sinks	1.61	0.8	7515	91
warm air rising and cold air sinking	0.89	0.8	5316	80
cold air sinks hot air rises	1.72	0.8	8333	53
hot air rises and cold air sinks	0.55	0.8	9674	25
does cool air sink or rise	0.32	0.5	92	85
does warm air sink	0.53	0.7	9551	92
when air sinks it compresses and warms	0.31	0.1	9253	65
why does air sink	0.73	0.4	3621	6
does hot air sink or rise	1.78	0.6	2917	61