Science 10
MASTERY TEST 1. MEASUREMENT
18. Which number is equivalent to 1.03 x10-4 mL?
a) 0.000103 mL
b) 0.00103 mL c) 10300 mL
d) 1030 mL
Test I. True or False.
On the answer sheet, shade A if the statement is TRUE and shade B if the statement
is FALSE (10pts) NO ERASURES.
19. What is the product of 75.5 m and 2.5 m?
a) 188.75 m2
b) 189 m2
c) 190 m2
d) 188.8 m2
20. What is the difference of 22.632g and 3.68 g?
a) 18.90 g
b) 18.00 g
c) 18.952 g
d) 18.95 g
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10.
The SI base unit for temperature is Celcius.
The quantity 10 cm is equal to 1000 mm.
The number 383,263 rounded to 4 significant figures becomes 383.3.
The number of significant figures in the number 29,004 is five.
In 1832, the famous mathematician Gauss promoted using the metric
system.
The product of 18.42cm x 3.40cm should contain three significant figures.
One microsecond is 10-6 second.
The number 0.0002983 in exponential notation is 2.983x10-3.
The gram (g) is the SI base unit for mass.
The Volume of the dimensions L=2.0 m , W= 3.50m, H= 5 m has 2 sf.
21. When performing the calculation 34.530 g + 12.1 g + 1 222.34 g, the final
answer must have:
a) Three decimal places
c) Three significant figures
b) Units of g3
d) Only one decimal place
22. Convert 6721mm to meters
a) 67.21 m
b) 6.721 m
c) 672100 m
23. An object which weighs 10 ng also weighs
a) 0.001mg
b) 0.01mg
c) 1 x 10 -5 mg
d) 6721000 m
d) 1 x 10 -6 mg
Test II. Multiple Choice. On the answer sheet, shade the circle of the letter that
corresponds to the correct answer. SHOW your solutions on numbers with
asterisk (*).
24. Which of the following is the greatest measurement?
a) 820,000 cg
b) 38 kg
c) 600,002,394 mg
13. The measurement 0.000 004 3 m, expressed correctly using scientific
notation, is
a) 0.43 x 10-5 m
b) 4.3 x 10-6 m
c) 4.3 x 10-7 d) 4.3 x 10-5 m
25. Which of the following is arranged in increasing order?
a) deca, nano, tera, deci
b) pico, milli, Mega, kilo
c) centi, milli, micro, nano
d) nano, micro, milli centi
14. Which of the following measurements has three significant figures?
a) 510 m
b) 5100 m
c) 0.510 m
d) 0.051 m
15. Which of the following examples illustrates a number that is correctly
rounded to three s.f.?
a) 4.05438 grams to 4.054 grams
b) 20.0332 grams to 20.0 grams
c) 0.03954 grams to 0.040 grams
d) 103.692 grams to 103.7 grams
26. In the metric system, the base unit for length is the:
a) Mile
b) yard
c) meter
27. What is the reading of the measurement?
a) 2.2 cm b) 2.20 cm
c) 2.00 cm
d) foot
d) 2.0 cm
16. How many zeros in the measurement 0.00020040m are significant?
a) 3
b) 4
c) 5
d) 7
17. Which of the following has the least number of significant figures?
a) 0.00506L
b) 0.00120m
c) 123456000km
d) 0.0000010g
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28. What is the most accurate reading of the measurement?
a) 5 mL
b) b) 6 mL
c) c) 5.95 mL
c) 1.5 x 106
d) 1.5 x 10-6
35. 5.0 x 105 µm is equal to ________ km
a) 5.0 x 10-4
b) 5.0 x 104
c) 5.0 x 10-1
d) 5.0 x 1012
Test III. Problem Solving/Process Questions.
Show your solution clearly and neatly. Show the proper cancellation of units. Put
in a box the final answer.
d) d) 5.8 mL
29. To the nearest mark division, what is the reading of this thermometer?
a) 30.00 C
34. 1.5 mg is equal to ______ Mg
a) 1.5 x 109
b) 1.5 x 10-9
b) 32.50 C
c) 35.00 C
d) 34.00 C
For item 30-32. Below is a data table produced by three groups of
students who were measuring the mass of a paper clip which had a
known mass of 1.0003 g.
Group 1 Group 2
Group 3
1.01 g
2.863287 g 1.013251 g
1.03 g
2.754158
1.013258 g
0.99 g
2.186357 g 1.013255 g
1.01 g
2.601267 g 1.013255 g
30. Which group(s) are the most accurate?
a) Group A
b) Group B
c) Group C
31. Which group(s) are the most precise?
a) Group A
b) Group B
c) Group C
32. Which group is the most accurate and precise?
a) Group A
b) Group B
c) Group C
1. A basketball coach is looking for a player who can play in a center
position whose minimum height is 6 ft & 8 inches. Ramon who is 1.9
m tall wants to be in the team. Is he qualified for the try out? Why or
why not?
2. The following is the daily water consumption of the Mendoza family:
Bath
90 gal
Laundry
40 gal
Watering of Plants
15 gal
Washing dishes
10 gal
Other uses
20 gal
b) What is the total monthly water usage of the family in cubic meter (m3)?
(5 pts)
c) If the local water utility company charges P400.00 for the first 10 cubic of
water consumption and P15.00 per cubic meter for the remaining, what is
the monthly water bill of the family? (5 pts)
Conversion factors:
1 month = 30 days
1 gal = 3.785 Liters
1000 Liters = m3
33. A patient has a temperature of 38.50 C. What is the temperature in
degrees Fahrenheit?
a) 311˚F
b) 11.7˚F
c) 70.5˚F
d) 101˚F
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