when did leeuwenhoek make his microscope

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did leeuwenhoek make his microscope	0.82	0.4	6636	46	40
when	1.9	0.5	3265	71	4
did	0.66	0.6	7159	97	3
leeuwenhoek	1.39	0.6	7781	35	11
make	1.75	0.3	488	78	4
his	0.71	0.3	4423	3	3
microscope	1.41	0.3	5824	19	10

Keyword	CPC	PCC	Volume	Score
when did leeuwenhoek make his microscope	1.3	0.4	7577	42
how many microscopes did van leeuwenhoek make	1.84	0.9	2735	78
did antony van leeuwenhoek invent microscope	1.73	0.1	4007	77
did anton van leeuwenhoek invent microscope	0.46	0.3	2979	20
what microscope did anton van leeuwenhoek use	0.58	0.5	8800	30
anton van leeuwenhoek made his own microscope	0.49	0.9	8913	74
antonie van leeuwenhoek invented microscope	1.75	0.6	2299	37
microscope de leeuwenhoek date	0.66	0.4	9063	18
microscope van leeuwenhoek date	0.93	0.8	4310	13
anton van leeuwenhoek first microscope	0.25	0.4	2882	73
antoni van leeuwenhoek microscope date	1.48	0.7	5946	85
microscope de van leeuwenhoek date	0.51	0.2	5554	14
microscope by van leeuwenhoek	1.78	0.7	5453	75
why is leeuwenhoek the father of microscope	0.7	0.7	5818	92
leeuwenhoek analyzed them with a microscope	0.71	1	8157	36
antoni van leeuwenhoek microscope	0.41	0.8	8606	66
antonie van leeuwenhoek's first microscope	1.07	1	4569	57
antonie van leeuwenhoek microscope year	1.75	0.2	7417	97
microscope de antoni van leeuwenhoek date	0.99	0.7	6183	67
the microscopes of antoni van leeuwenhoek	1.53	0.4	1009	54