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Question

Question 1

1 pts

What is the fundamental unit of mass that defines

the pound?

Group of answer choices



kilogram


newton


dyne


slug

 

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Question 2

1 pts

The scientific method is ______. Choose all correct answers.

Group of answer choices



a collection of practices that guarantee accurate conclusions about the natural world


a collection of practices meant to reduce the probability of drawing incorrect conclusions about the natural world


a method of inquiry perfected by the ancient Greeks


a method of inquiry that requires repeatability of experiments

 

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Question 3

1 pts

Which of the following units is not part of the SI system?

Group of answer choices



pounds (lbs)


meters (m)


kilograms (kg)


seconds (s)

 

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Question 4

1 pts

What is the height in meters of a person who is 55 inches tall?

Group of answer choices



2.355 m


3.667 m


0.982 m


1.397 m

 

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Question 5

1 pts

Which of the following systems of measurement are constructed using units of base-10?

Group of answer choices



British imperial system


metric system


Aristotelian system


Newtonian system

 

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Question 6

1 pts

The rest mass of five subatomic particles are determined in an experiment, and they are found to be (in units of the electron rest mass me ):

 5me , 0.3me, 1.5me, 2.6me, 0.75me What is the median of these particle masses?

Group of answer choices

1.5me


3.5me


0.3me


0.75me











 

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Question 7

1 pts

A hypothesis cannot be subjected to the scientific method if it is _________:

Group of answer choices



unfalsifiable


falsifiable


testable


theoretical

 

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Question 8

1 pts

Who of the following embraced the use both of experimental results and logical deduction in his application of the scientific method? Choose all correct answers.

Group of answer choices



Rene Descartes


Galileo Galilei


Francis Bacon


Aristotle

 

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Question 9

1 pts

A series of measurements are taken of the heights of eight people. The heights are recorded to be: 150 cm, 135 cm, 178 cm, 156 cm, 177 cm, 161 cm, 174 cm, 126 cm. What is the mean height of this group, to the nearest whole number?

Group of answer choices



157 cm


108 cm


142 cm


149 cm

 

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Question 10

1 pts

Which of the following are essential elements of the scientific method? Choose all correct answers.

Group of answer choices



controlled experiments


peer review


repeatability


randomly proposed hypotheses

Top Answer

1 = Kilogram 2= a method of inquiry that requires repeatability of... View the full answer

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