Chapter 3 Scientific Measurement Review Pioneer High School Mr. David Norton

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)?

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?

Chapter 3 - Review When a test instrument is calibrated, does it’s accuracy, precision, or reliability improve? The closeness of a measurement to it’s true value is a measure of … In the measurement 0.503 L, which digit is the estimated digit?

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.

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.

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

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 ...

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 ...

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?

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)?

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

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

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

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

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?

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 ...

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?

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?