1. Express the Following Quantities in Proper Scientific Notation

Measurement Questions

1. Express the following quantities in proper scientific notation.

a. 42,360 mc. 0.00000025 kL

b. 0.125 cgd. 42.56 x 103 s

2. Name three units of measurement that are commonly associated with your car. For each of the

units identify the quantity being measured.

3. Name the metric units represented by the following symbols. Also what about the object is being

measured using the listed unit (mass, volume, distance, temperature, time, etc.)?

a. mmc. ge. Kg. ms

b. md. kgf. ml

4. Which unit in each of the following pairs of units represents the larger quantity?

a. g or cgb. km or dmc. ms or µs

5. Give the name and symbol for each of the following units.

a. a mass that is 1/100 the mass of 1 gram

b. a time that is 1/1,000,000 of 1 second

c. a length that is 1000 times as great as the length of 1 meter

d. a length that is 1/1,000,000,000 the length of 1 meter

6. A box measures 3.0 meters long, 5.0 meters wide, and 0.50 meters deep. Calculate the volume of

the box in each of the following units:

a.cubic centimetersb. cubic metersc. millilitersd. liters

7. An archer shoots four arrows at a target. All four arrows hit the target within a distance of 1 cm of

each other. However, each arrow is at least 30 cm away for the bull’s-eye (the intended target) of

the target. Comment on the accuracy and the precision of the placement of the arrows.

8. Do problems 19, 20, 32b,d; and 33b,d on pages 149 and 150 in your textbook.

9. Make the following conversions, showing all work, which may include showing how the decimal

was moved.

1. 25.25 cm = ? kmc. 75.5 hr = ? s
2. 0.01173 L = ? cm3d. 41.3 µg = ? mg

(over)

Extra Credit:

1. A student is traveling through Germany and needs to fill up their car with gasoline. They fill up the tank and notice the price of gasoline is 1.71 euros per liter of gasoline. How many times greater is this than the price of gasoline in Ogden. You must show all of your work to receive credit. Use the equalities below to help you solve this.

1.0gallons = 3.3754 liters

1 euro = 1.3060 US dollars

1. For a pharmacist dispensing pills or capsules, it is often easier to weigh to weigh the medication to be dispensed rather than count the individual pills. If a single antibiotic capsule has a mass of 0.65 g, and a pharmacist weighs out 15.6 g of capsules, how many capsules have been dispensed? You must show all of your work to receive credit.

1. An experiment is performed where strips of magnesium is added to hydrochloric acid in a gas measuring tube to collect the hydrogen gas that is produced during the reaction. The data below was collected during the experiment.

1. Construct a graph of mass of the zinc versus the volume of the hydrogen gas using the data.
2. What is the relationship between mass of zinc and volume of hydrogen gas? Explain why there may have been deviations from the general pattern. Be specific in your explanation.