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Dimensional Analysis
Uncertainty
Enter Category Name
Temperature and SI Units
Properties and Principles
100

What is the name of the ratio of equal quantities with different units in the numerator and denominator?

conversion factor

100

What are the meaningful number of digits in a recorded result?

significant figures

100

What type of substance cannot be separated into simpler substances by chemical means?

element

100

What exponent of 10 does the SI prefix Tera- (G) represent? 

+12

100

Physical state, melting point, boiling point, and density are all examples of ________ properties.  

physical

200

What is a homogeneous mixture of substances?

solution

200

What is -183oC in Kelvin? 

90 K

200

Properties that depend on the amount of matter and can be added together are called ________ properties. 

extensive

300

What value does the ratio derived from a conversion factor always equal? 

one

300

What is the definition of the magnitude of scatter in repeated measurements? 

precision

300
Name the states of matter.
solid, liquid, gas
300

Provide one example of an intensive property of matter. 

color or density or concentration or observed physical property 

400

What is the correct ratio when converting millimeters to feet? (1 foot = 305 mm) 

305 mm/1 foot

400

What is the name given to the last digit in a recorded result? 

uncertain digit

400
A liquid changes the cabbage indicator pink, is it an acid, a base or neutral?
It is an acid
400

Name the three states of matter. 

solid, liquid and gas (or vapor)

500

How many milliseconds are equal to six months? (answer to 2 sig figs)

1.6e10 ms

500

What is/are the number of significant figures in the recorded result 50.0?

three

500
If liquids layer, where will the most dense liquids be?
At the bottom.
500

A concise verbal or mathematical statement of a reliable relationship between phenomena derived from repeated observations is a _____.  

law

600

What is the equivalent of 1.0e20 nm3 in m3?

1.0e-7 m3

600

Express the correct number of significant figures in the calculation below?

(2.431e-3 + 9.00e-2)/1.5579e-5

593

600
What can mother nature use to separate solids?
Water and air separation
600

In the scientific method when the hypothesis is rejected from the analysis of experimental results, what is the next step?

refine hypothesis and perform further experiments