BACTERIA MAGNIFICATION

THE BACTERIA IN THE FOLLOWING 4 MICROGRAPHS ARE THE SAME SPECIES. THEY REACH A SIZE OF 3 MICROMETERS.

PRINT THE 4 PICTURES. (Right click on the picture, save to a file, then print (they're all 92dpi so relative scale is preserved).

USING A MILLIMETER RULER, MEASURE A BACTERIUM FROM EACH OF THE FOUR MICROGRAPHS:

1)

2)

3)

4)

*YOU WILL NEED TO ESTIMATE AND YOU WILL NEED TO USE DECIMALS TO MAKE YOUR MOST ACCURATE DETERMINATION OF SIZE.

KNOWING THAT THIS SPECIES OF BACTERIA GROWS TO 3 MICROMETERS, CALCULATE THE NUMBER OF TIMES THE BACTERIA WERE MAGNIFIED IN EACH OF THE 4 MICROGRAPHS:

1)

2)

3)

4)

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