why does hot air rises up

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why does hot air rises up	1.75	0.4	4764	97	25
why	1.11	0.4	1080	93	3
does	0.48	0.3	2579	57	4
hot	0.37	0.9	1781	15	3
air	1.48	0.9	8651	100	3
rises	1.54	0.9	2425	71	5
up	1.95	1	2051	25	2

Keyword	CPC	PCC	Volume	Score
why does hot air rise up	1.56	0.6	2607	5
why hot air balloon rises up	1.03	0.3	1784	23
why is hot air hot and rises up	0.5	0.3	5222	83
why a balloon inflated with hot air rises up	0.49	0.7	2955	32
why hot air rises up	0.06	0.5	6606	23
why does hot air expand	0.38	0.3	9984	80
why does warm air rises	0.1	0.6	4271	83
why does heated air rise	1.93	0.6	6265	89
why does air rise when heated	0.44	0.4	5009	98
hot air rises because	0.86	0.2	8728	79
why is hot air hot and expands	1.77	0.3	4530	12
why does heat rise in the air	0.69	0.8	6176	55
why is hot air hot	1.4	0.5	2123	80
generally when hot air rises	1.11	0.2	5453	71
why does hot air rise and cold air sink	0.4	1	2681	80
why does hot air rise and cool air sink	1.79	0.7	3949	76
why do hot air balloons rise up	1.41	1	8111	17
does hot air rise up	0.01	0.8	6709	28
why does warm air rise	0.26	0.6	8692	89
why does warmer air rise	1.77	0.8	4127	93