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Identify the structures labeled 1, 2, and 3. [a] Which structure has a total magnification of 100x? [b]

Which picture is a negative control? [a] This tests for [b].

Identify the part of the microscope labeled #5 [a] Identify the part of the microscope labeled #8 [b]

When using a microscope, you can increase or decrease the image’s contrast by adjusting the [a]. If you want to change the magnification, turn the microscope’s [b]

[a] refers to how close a measurement is to the true or accepted value. [b] refers to how close measurements of the same item are to each other.

These two images represent the same threads at different magnifications. Which image has the larger depth of field? [dof] Which has the larger field of view? [fov]

What shape are the cells pictured? [shape] Are these cells prokaryotes or eukaryotes? [kary] What kingdom do these cells belong to? [kingdom]  

I observed that there are ants in my office. Which of the following is a hypothesis based on this observation? [h] Which of the following is a prediction that can be tested using the scientific method? [p]

What is the magnification of lens labeled #1? [a] Which part moves the stage up and down in large increments? [b]

  Which tube contains the largest amount of sugar? [a] What is the name of this test? [b] Which tube is negative for sugar? [c]