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.

AB C D E

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.