Physical Science Test: Measurement



Physical Science Test: Measurement

Matching:

|A. |meter |C. |kilogram |

|B. |liter |D. |kelvin |

1. mass of an orange

2. volume of orange juice

3. freezing point of carbon dioxide

4. length of a soccer field

Multiple Choice

5. What is the SI Unit for Mass?

|A. |Gravity |B. |gram |C. |ounce |D. |kilogram |E. |Pound |

6. These values were recorded as the mass of products when a chemical reaction was carried out three separate times: 8.83 g; 8.84 g; 8.82 g. The mass of products from that reaction is

8.60 g. The values are

|A. |neither accurate nor precise. |C. |both accurate and precise. |

|B. |accurate, but not precise. |D. |precise, but not accurate. |

7. To make a scale drawing of a basketball court, which of the following scales would be most useful?

|A. |1 cm = 1 m |B. |1 m = 1 km |C. |1 km = 1 m |D. |1 m = 1 cm |

8. When 5.7 m is divided by 2 s, the quotient is correctly reported as

|A. |2.8 m/s. |B. |2.85 m/s. |C. |3 m/s. |D. |2.9 m/s. |

A[pic]B [pic]C [pic]D [pic]E [pic]

9. Which diagram is an example of just accuracy?

|A. |D |B. |A |C. |C |D. |B |E. |E |

10. Which diagram is an example of both precision and accuracy?

|A. |B |B. |D |C. |A |D. |C |E. |E |

11. Which diagram is an example of just precision?

|A. |B |B. |C |C. |E |D. |A |E. |D |

12. When evaluating a paper delivery, a homeowner would be most concerned about ____.

|A. |the accuracy of the throws |C. |the precision of the throws |

|B. |the speed of the throws |D. |the timing of the throws |

13. When you measure something in meters cubed, you are measuring ____.

|A. |mass |B. |length |C. |area |D. |volume |

14. A measurement standard is defined as ____.

|A. |the distance between two points |

|B. |the interval between two events |

|C. |a system of prefixes |

|D. |the exact quantity people agree to use for comparison |

15. A numerical result is said to have good precision if

|A. |it has a small number of significant figures. |

|B. |repeated measurements agree closely. |

|C. |it is a large whole number. |

|D. |it agrees closely with an accepted value. |

16. What is the SI Unit for Time?

|A. |Decade |B. |Hour |C. |Second |D. |Minute |

17. What is the SI Unit for Length?

|A. |Inch |B. |Kilometer |C. |Meter |D. |Foot |E. |Mile |

18. Standards of measurement are chosen because they

|A. |are reproducible in another laboratory. |

|B. |cannot be destroyed by any common physical or chemical means. |

|C. |are easily changed. |

|D. |can be related to everyday objects. |

19. Accepted amount of a crystal produced in a lab is 5.61g. When you performed the lab, you produced 5.58g. I told you once that in one of my chemistry labs our percent error had to be less than 0.5% to pass the lab. So, did you pass this lab?

|A. |Yes |

|B. |No |

|C. |Not enough information to find out |

20. Which of these statements does not describe a measurement standard?

|A. |Measurement standards avoid ambiguity. |

|B. |Measurement standards must be unchanging. |

|C. |Confusion is eliminated when the correct measurement is applied. |

|D. |A standard can be easily changed to suit the experiment. |

21. What is the SI Unit for Temperature?

|A. |Rankine |C. |Kelvin |E. |Farhenheit |

|B. |Rowe |D. |Celsius |

22. Which of these statements about units of measurement is not true?

|A. |A unit compares what is being measured with a previously defined quantity. |

|B. |A unit is usually preceded by a number. |

|C. |Measurements can be compared without knowing their units. |

|D. |The choice of unit depends on the quantity being measured. |

23. How is the measurement 0.000 065 cm written in scientific notation?

|A. |6.5x10–4 cm |B. |6.5x10–5 cm |C. |65x10–6 cm |D. |6.5x10–6 cm |

24. What are the two main types of scale?

|A. |positive and negative |C. |regular and absolute zero |

|B. |negative and absolute zero |D. |wrong and zero |

25. A measurement that closely agrees with an accepted value is best described as

|A. |precise. |B. |accurate. |C. |reproducible. |D. |significant. |

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