Biology 107

Measurements/ Scientific Method Review

____________1. Convert 300 ml to liters.

 

____________2. In the metric system, what is the standard unit for linear measure?

 

____________ 3. In the metric system, what is the standard unit for volumetric measure?

 

____________4. What is the first step in the Scientific Method?

 

____________5. Convert 69 cc to milliliters.

6. In Figure 1, what i s wrong with the plot?

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graph-test1.gif
Figure 1

 

7. In Figure 2, what is wrong with this plot?

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graph-test2.gifFigure 2

8. What is a meniscus? _____________________________________________________

 

 

9. What is an experimental “control:?__________________________________________

 

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____________ 10. If the temperature is 100°F, what is the degrees in Celsius?

 

 

____________11. Which Axis (“X” horizontal or “Y” vertical) is the variable data plotted on?

 

____________12. What is the experimental group called that is compared to the treated group?

 

___________ 13. The Celsius scale is based upon the characteristics (0-100) of what substance?

 

                        14. How would you determine the weight of 50 ml of water? _______________________

 

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15. The technique used to separate a group of objects into a series two organized piles by using simple physical attributes is called a ___________________________ Key.

 

16. State a testable hypothesis about the effect of iron fertilizer on a plant.

 

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_____________17. The number which represents the average value amongst a series of numbers (mean, mode, median).

 

_____________18. The number which represents the middle value in a group of ascending or descending numbers (mean, mode, median).

 

_____________ 19. A tested hypothesis which proves to correct could be elevated to a(n)?

 

______________20. The values for the X axis are 10, 20, 25, and 50; should they be plotted at equal intervals from each other? (Yes, No).