Dimensional Analysis
Presentation
•
Chemistry
•
9th - 12th Grade
•
Medium
Alyssa Harris
Used 56+ times
FREE Resource
8 Slides • 6 Questions
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Page 21
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Using Dimensional Analysis and Conversion Factors
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Dropdown
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Metric Prefixes
In chemistry the prefix kilo-, and milli- are used very frequently!
kilo = 1000 milli = 0.001
There are 1,000 mg in 1 g
There are 1,000 gram in 1 kg
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Dimensional Analysis Tips
Your units must match diagonally.
You may need multiple conversions. That's ok!
You can use this for any conversion.
8
How many hours are in one year?
How many seconds are in 2 months? Assume that each month has 30 days.
9
The density of a substance is 1.25 grams per cubic centimeter. Convert this density to kilograms per cubic meter. (Centi = 0.01)
Convert 90 kilometers per hour to meters per second.
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Multiple Choice
The Olympic record for the high jump is just over 2.6 yards. What is that distance in feet? (3 ft=1 yd)
0.867 ft
7.8 ft
8.07 ft
8.27 ft
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Multiple Choice
Convert 2.5 grams into milligrams (1000 mg = 1 gram)
12
Multiple Choice
(1 gallon = 3.79 Liters)
13
Multiple Choice
The length of a desk is 3.5 feet. How many centimeters is the length? (there are 2.54 cm in an inch; 12 inches in a foot)
14
Multiple Choice
How many walking paces are there approximately as you walk down Main Street (0.25 miles)? 1 mile = 5280 feet; 1 foot = 12 inches; 22 inches = 1 walking pace
15,840 walking paces
720 walking paces
720 inches
2420 walking paces
Page 21
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