1 / 19

Chapter 3 Scientific Measurement Review

Chapter 3 Scientific Measurement Review. Charles Page High School Dr. Stephen L. Cotton. 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 10 10 ) x (3.5 x 10 -7 )?.

cinderella-rufus
Télécharger la présentation

Chapter 3 Scientific Measurement Review

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

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

  2. 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)?

  3. 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?

  4. 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?

  5. 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.

  6. 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.

  7. 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

  8. 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 ...

  9. 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 ...

  10. 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?

  11. 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)?

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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?

  17. 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 ...

  18. 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?

  19. 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?

More Related