Please enable JavaScript.
Coggle requires JavaScript to display documents.
summarizing 1.2 & 1.3, results, Comparing Results, Precision Versus…
summarizing 1.2 & 1.3
1.2
SI Units
.
The worldwide scientific community uses an adaptation of the metric system called Systeme International d’Unites or SI.
-
Other units, called derived units, are created by combining the base units in various ways.
-
.
How to convert:
1- Ask :
the conversion from bigger to smaller or the opposite
2- then decide if you will multiply or subtract
3- then choose your exponent according to the prefix
-
-
dimensional Analysis
-
Dimensional analysis is a method of treating the units as algebraic quantities, which can be cancelled.
-
-
-
-
-
-
Significant Figures
Addition and subtraction . If you add or subtract, the answer is rounded to the same number of decimal places as the measurement with the least number of decimal places.
-
-
-
results
For example, the ranges for the measurements of student 1 and 2 overlap.
-
-
Comparing Results
-
Measurements are often reported with uncertainty
A new measurement that s within the margin of Uncertainty confirms then old measurements
-
-
-
-
-
-
-
