Scientific Measurement Answers

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Which arguments did you include in your answer? Check all that apply.

A
Strikes enabled workers to ask for demands as a group.
B
Strikes could disrupt the national economy.
C
Strikes were successful in winning concessions for workers.
D
Strikes gave workers publicity.
E
Strikes cost the company money in lost productivity and security.
3

What is 150 mm expressed in decimeters?

A
1500 dm
B
15 dm
C
1.5 dm
D
0.15 dm
4

Which of the following is not an advantage of using the metric system?

A
The basic units of measurement are related to each other.
B
The units are based on multiples of ten.
C
The units are used internationally.
D
It was designed in France in 1791.
5

One km is equal to _______.

A
0.62 ft
B
3280.8 ft
C
1.61 ft
D
5280 ft
6

Which of the following is the SI unit used to measure mass?

A
kilogram
B
liter
C
meter
D
Kelvin
7

How many significant figures are in the measurement 1.050 L?

A
1
B
2
C
3
D
4
8

Which of the following groups frequently protested the hiring of unskilled factory workers in the 1800s?

A
craft guilds
B
labor unions
C
Pinkertons
D
trade unions
9

Scientists take scientific measurements carefully in order to ensure their reliability and validity. Which of the following is an example of measurement bias in scientific measurement?

A
a scale that reads zero when nothing is on it
B
a stopwatch that stops immediately when the stop button is clicked
C
a balance that always reads .01 g
D
measuring your height in your bare feet
10

A quantity must be divided by multiples of ten when converting from a larger unit to a smaller unit. Please select the best answer from the choices provided

A
T
B
F
11

The metric system is only used in France.

A
T
B
F
12

Volume can be measured in liters or cubic meters.

A
T
B
F
13

Round the number 14.587020 to 4 significant digits.

A
14.59
B
14.58
C
14.587
D
15.00
14

Scientists take scientific measurements carefully in order to ensure their reliability and validity. What is the difference between accuracy and precision in scientific measurements?

A
Accuracy is how far out the measurement is taken, while precision is how close a measured value is to its true value.
B
Accuracy is how close a measured value is to its true value, while precision is how close measured values are to each other.
C
Accuracy is how close a measured value is to its true value, while precision is how close the average value is to the true value.
D
Accuracy and precision are two different words for the same thing.
15

Which of the following actions were tactics used by companies to stop unions? Check all that apply.

A
encouraging strikes
B
using bribery
C
using collective bargaining
D
hiring Pinkertons and other spies
16

Why might workers have been motivated to strike against Pullman? Check all that apply.

A
The company cut their wages.
B
The company extended their hours.
C
Rent and goods in town were too expensive.
D
The workers' union supported a strike.
17

Read the quotation from a Pullman worker on the right. Which statement best expresses the author's view of union membership?

A
He believed that union membership is a right of every citizen.
B
He didn't like giving up his membership, but it was worth it to keep his job.
C
He was willing to die rather than give up his membership.
18

Which of these statements is the best counterclaim to the above claim? That is, which statement gives a specific reason why this is not the best car model available?

A
That model is too expensive for me.
B
That model received poor safety ratings.
C
That model does not come in many colors.
20

Think about what you have learned about union activities in the 1800s. How did strikes benefit unions’ goals? List at least two arguments in support of the use of strikes.

Answer:

Strikes benefited unions because they allowed workers to demand better pay and conditions as a group instead of alone. They also cost companies money through lost work and security needs, which pressured owners to negotiate. In some cases strikes successfully won real concessions for workers.

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