UNITS AND MEASUREMENTS
Authored by Truthy Pradeep
Physics
11th Grade
NGSS covered
Used 143+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between accuracy and precision in measurement?
Accuracy and precision are the same thing
Accuracy refers to how close a measurement is to the true value, while precision refers to how consistent a measurement is
Accuracy refers to how consistent a measurement is, while precision refers to how close a measurement is to the true value
Accuracy and precision are irrelevant in measurement
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit for measuring temperature in the scientific context?
Second
Kilogram
Meter
Kelvin
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the meter defined in the SI system?
As the duration of 9,192,631,770 oscillations of radiation emitted by a cesium-133 atom
As the distance traveled by light in a vacuum during a specific time interval
As the mass of a specific platinum-iridium alloy cylinder
Using the triple point of water and absolute zero
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the basis for measuring time intervals in the SI system?
The distance traveled by light in a vacuum during a specific time interval
9,192,631,770 oscillations of radiation emitted by a cesium-133 atom
The mass of a specific platinum-iridium alloy cylinder
The triple point of water and absolute zero
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the base unit for measuring mass in the SI system?
Kilogram
Second
Meter
Kelvin
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of significant figures in measurements?
To represent uncertainty in a measurement
To represent the estimated value of a measurement
To represent the irrelevant value of a measurement
To represent the exact value of a measurement
Tags
NGSS.HS-PS3-1
NGSS.HS-PS2-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the International System of Units (SI)?
A system for measuring mass
A system for measuring distances, displacements, and sizes
A globally accepted system for measurement in science
A system for measuring time intervals
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