Module 2 - Measurement

Question 1

Imagine that Sarah gave you a sheet of paper with 2.7 L written on it. What type of measurement does this represent?

Answer 1

volume

Question 2

0 ºC is the coldest possible temperature.

Answer 2

false

Question 3

A measure of 9 nm is smaller than 9.2 m.

Answer 3

true

Question 4

A micrometer is equal to how many meters?

Answer 4

10-6 m

Question 5

On the Celsius scale, water freezes at 32°.

Answer 5

false

Question 6

The length of a bacterium is usually measured in microns.

Answer 6

true

Question 7

There are seven significant figures in 0.0893140 L.

Answer 7

false

Question 8

Thermometers have no uncertainty.

Answer 8

false

Question 9

How many significant figures are in the following measurement?

87.9340 g

Answer 9

6

Question 10

Because they have tick marks, beakers can be used for measuring solutions accurately.

Answer 10

false

Question 11

In the metric system, what is the basic unit of length?

Answer 11

m

Question 12

When pouring from graduated cylinders, some volume is lost as liquid remains in the cylinder.

Answer 12

true

Question 13

Conversion factors are used to determine the number of significant figures present in a calculated value.

Answer 13

false

Question 14

7.38 x 105 is larger than 8.78 x 104.

Answer 14

true

Question 15

16.9 mg is equivalent to __________ grams.

Answer 15

0.0169

Question 16

Long distance runners normally track how far they run while training. What SI unit would be used to do this?

Answer 16

meters

Question 17

Fahrenheit is to ______ as feet is to _______.

Answer 17

kelvin; meters

Question 18

____ is the prefix that represents 1000 times greater than the base unit.

Answer 18

kilo

Question 19

One-tenth can be identified as _____ or _____.

Answer 19

0.1; deci

Question 20

How is the base number represented using exponential terms?

Answer 20

10^0

Question 21

When traveling to a European country, one will most likely see the temperature displayed in Celsius. If it is 25°C in Paris, France, what would this temperature be in Fahrenheit?

Answer 21

77°F

Question 22

Convert 19°C to Kelvin.

Answer 22

292.15k

Question 23

To calculate Kelvin from Fahrenheit, one must convert to Celsius first.

Answer 23

true

Question 24

Petrologists are scientists that study rocks. If a petrologist finds a rock with a mass of 86g and a volume of 10cm3, what is the rock’s density?

Answer 24

8.6g/cm3

Question 25

Density can be represented in g/cm3 or g/mL.

Answer 25

true

Question 26

Which set of numbers is most precise?

Answer 26

6.81, 6.7, 6.79, 6.72

Question 27

The less significant figures, the greater precision.

Answer 27

false

Question 28

If the desired measurement is 19.5 m, which measurement is most accurate?

Answer 28

19.475 m

Question 29

The mass of an empty Boeing 737-800 airplane is about 41,145kg. Which of the following would be the best choice for recording this measurement in scientific notation?

Answer 29

4.11 x 104

Question 30

If a person is 5 feet 8 inches tall, what is their approximate height in centimeters?

Answer 30

173cm

Question 31

A standard bathtub can hold 302 liters of water. Which represents this measurement in quarts with the appropriate number of significant figures?

Answer 31

319qt

Question 32

A school holds a contest where students guess how many gumballs are in a very large container in the gymnasium. The actual number of gumballs is 3.84 x 105. In standard notation, there are ______ gumballs.

Answer 32

384,000

Question 33

A dog is weighed during a visit to the vet and is recorded at 25.8 pounds. Convert this weight into kilograms with the appropriate number of significant figures.

Answer 33

11.7kg

Question 34

Converting from miles to inches generally includes the use of a single conversion factor.

Answer 34

false

Question 35

A house sells for $492,200. This price can most accurately be represented in scientific notation as…

Answer 35

4.92 x 105

Question 36

The meteorologist indicated that the temperature would reach a high of 86 °F. What is this temperature on the Celsius scale?

Answer 36

30 °C

Question 37

A measurement reported as 0.001 grams could also be reported as 1…

Answer 37

mg

Question 38

What is the density (rounded to the nearest whole number) of a gold sample that has a mass of 12.3 grams and a volume of 0.77 milliliters?

Answer 38

16 g/mL

Question 39

If the volume of juice was measured using the metric system, what base unit would be reported?

Answer 39

L

Question 40

Which of the following is equivalent to 1,000,000 g?

Answer 40

1 Mg

Question 41

Based on the rules of significant figures, how should the following calculation be reported? 67.403 cm x 31.8 cm = ?

Answer 41

2140 cm2

Question 42

Use the arrow to indicate the measurement that should be reported:

Answer 42

3.52 inches

Question 43

Based on the rules of significant figures, how should the following calculation be reported? 274.13 g + 37.531 g + 49.2 g = ?

Answer 43

360.9 g

Question 44

Round 0.013849 to three significant figures.

Answer 44

0.0138

Question 45

Which measurement has the least amount of uncertainty?

Answer 45

3.123 L

Question 46

What conversion factor would you use to calculate 39 grams to kilograms?

Answer 46

1 kg / 1000 g

Question 47

How many milligrams are in 5.3 kilograms? Report your answer based on the rules of significant figures.

Answer 47

5.3 x 106

Question 48

How many pounds are in 620.0 grams? Report your answer based on the rules of significant figures.

Answer 48

1.367 lb

Question 49

What is the standard notation value of 7.221 x 10-4?

Answer 49

0.0007221

Question 50

If your height is 66 inches, how many centimeters tall are you? Report your answer based on the rules of significant figures.

Answer 50

170 cm