
Dimensional Analysis and Conversions

Interactive Video
•
Chemistry, Mathematics, Science
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in converting hours to seconds using dimensional analysis?
Convert hours to milliseconds
Convert hours to minutes
Convert hours to days
Convert hours to weeks
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of drawing diagonals in dimensional analysis?
To confuse the students
To add more steps
To cancel out units
To make the process look neat
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When converting grams to molecules, what is the intermediate unit used?
Moles
Liters
Kilograms
Atoms
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the conversion factor from moles to molecules?
1 mole = 6.02 x 10^23 molecules
1 mole = 1.00 x 10^3 molecules
1 mole = 1.00 x 10^6 molecules
1 mole = 6.02 x 10^20 molecules
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it recommended to use a single long equation in calculations?
To make calculations faster
To save time
To avoid intermediate rounding errors
To use less paper
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do if your calculated answer is slightly different from the expected answer due to rounding?
Use a different calculator
Check if the difference is within an acceptable range
Ignore the difference
Recalculate using a different method
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of significant figures in calculations?
They determine the precision of the answer
They make the answer look longer
They are used to check the calculator's accuracy
They are not important
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