what happens when air is heated

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what happens when air is heated	0.24	0.4	2903	52	31
what	1.86	0.9	6172	93	4
happens	1.14	0.1	7246	97	7
when	1.98	0.7	6945	53	4
air	0.82	0.2	6782	19	3
is	1.18	0.6	2926	79	2
heated	0.34	0.2	4820	82	6

Keyword	CPC	PCC	Volume	Score
what happens when air is heated	0.62	0.7	5985	72
what happens when copper is heated in air	0.27	0.4	5375	97
what happens to air when it is heated	0.63	0.8	6950	83
what happens when zinc is heated in air	0.14	0.7	7732	98
as air is heated what happens to the pressure	0.4	0.8	9163	89
what happens when coal is heated in air	0.12	1	1063	37
what happens when sodium is heated in air	1.42	0.6	6944	36
what happens when magnesium is heated in air	0.54	0.3	8764	61
copper is heated in air	1.39	0.3	5114	89
what happens when copper reacts with air	1.51	0.5	9358	73
copper heated in air reaction	1	0.2	6056	31
heating of copper in air	0.43	1	9931	85
what does heat do to copper	0.68	0.2	4130	44
when a copper atom is heated	1.21	1	9977	25
how might copper end up in air	1.66	0.4	4147	56
does copper expand when heated	0.73	0.3	864	92
how does copper conduct heat	2	0.8	1130	96
does copper oxidize in air	1.95	0.8	4526	78
does copper hold heat	1.4	0.1	4189	87
does copper dissipate heat	1.73	0.1	1305	49
does copper expand with heat	1.07	1	7435	89
does copper burn on heating	1.97	0.6	7743	71
copper exposed to air	1.81	0.2	1879	62
does copper transfer heat	1.41	0.7	938	1