Chapter 3 Scientific Measurement Review

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Chapter 3Scientific MeasurementReview
Charles Page High School Dr. Stephen L. Cotton
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Chapter 3 - Review

• Express 0.000 000 000 154 m in scientific
  notation.
• What is 5928 km expressed in scientific notation?
• What is the result of multiplying (2.5 x 1010) x
  (3.5 x 10-7)?

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Chapter 3 - Review

• Perform (2.5 x 103) (3.5 x 102)
• Which is the best example of a quantitative
  measurement 2.01, or 2.01 grams?
• Which of the following is NOT a quantitative
  measurement 5 liters, or very small?

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Chapter 3 - Review

• When a test instrument is calibrated, does its
  accuracy, precision, or reliability improve?
• The closeness of a measurement to its true value
  is a measure of
• In the measurement 0.503 L, which digit is the
  estimated digit?

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Chapter 3 - Review

• How many significant figures in the measurement
  0.0034 kg?
• How many significant figures in the measurement
  40 500 mg?
• How many significant figures in the measurement
  811.40 grams?
• Round 111.009 mm to 4 sig. figs.

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Chapter 3 - Review

• What is the measurement 1042 L rounded to two
  significant figures?
• Express the sum of 1111 km and 222 km, using the
  correct sig. figs.
• Express the sum of 7.68 m and 5.0 m, using the
  correct sig. figs.

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Chapter 3 - Review

• Express the product of 2.2 mm and 5.00 mm, using
  the correct number of significant figures.
• Express the product of (4.0 x 10-2 m) x (8.1 x
  102 m)
• Which is most accurate 3.122 22 g or 3.000 000 g

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Chapter 3 - Review

• Which group of measurements is the most precise?
  a) 2 g, 2.5 g, 3 g b) 1 g, 3 g, 5 g
• Three different people weigh a standard mass of
  2.0 g, and each obtains 7.32 g for the mass. The
  results imply the balance was ...

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Chapter 3 - Review

• Which is expressed to 3 significant figures
  0.007 m, or 7.30 x 10-7 km
• Which contains 2 significant figures 0.004 40 L,
  or 0.000 44 L
• When multiplying and dividing, the answer should
  be equal to the number of sig. figs. in ...

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Chapter 3 - Review

• What quantity is represented by the metric system
  prefix deci-?
• What is the metric system prefix for the quantity
  0.000 001
• What is 0.0075 m expressed in cm?
• What is 7896 mm expressed in m?

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Chapter 3 - Review

• A nanosecond is how many seconds 10-6 s, or 10-9
  s?
• 78 Liters is equal to how many cubic meters?
• What is the volume of a salt crystal measuring
  (2.44 x 10-2 m) x (1.4 x 10-3 m) x (8.4 x 10-3 m)?

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Chapter 3 - Review

• Express 987 milligrams in grams.
• The chief advantage of the metric system over
  other systems of measurement is that it
• Which is NOT an official SI unit kilogram,
  liter, or mole

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Chapter 3 - Review

• Which of the following units is NOT a derived SI
  unit a) grams per cubic centimeter b)
  millimeters of mercury c) moles per gram
• Which of the following is NOT correct a) 1 cm3
  1 mL b) 10 kg 1 g c) 1000 mm 1 m

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Chapter 3 - Review

• Which of the following mass units is the largest
  1 ng, or 1 dg
• Which of the following quantites are the units
  derived mass, or volume
• Which of the following volumes is the smallest 1
  milliliter, or 1 microliter

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Chapter 3 - Review

• A cubic meter is about the same as the volume
  occupied by a basketball arena, or a washing
  machine
• The weight of an object
• What is the SI unit of mass pascal, joule, or
  kilogram

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Chapter 3 - Review

• If a liter of pure water is heated from 20 oC to
  50 oC, what happens to its volume?
• What is density of an object having a mass of 8.0
  g and a volume of 25 cm3?

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Chapter 3 - Review

• If the temperature of a piece of steel decreases,
  what happens to its density?
• As the density of a substance increases, the
  volume of a given mass of that substance ...

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Chapter 3 - Review

• What is the volume of 80.0 g of ether, if the
  density is 0.70 g/mL?
• What is the volume of 344 g of ice, if the
  density is 0.92 g/mL?
• What is the volume of 45.6 g of silver, if the
  density is 10.5 g/mL?

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Chapter 3 - Review

• If the density of a particular liquid is 0.98
  g/cm3 at 4 oC, how does the specific gravity of
  this liquid compare to that of water?