Physics Skills: Units Part 2
Interactive Video
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Arts, Other, Science, Physics
•
4th Grade - University
•
Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to use SI units in physics?
They help avoid calculation errors and ensure consistency.
They are easier to remember than other units.
They are used only in physics exams.
They are the only units recognized worldwide.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT an SI prefix?
Giga
Mega
Deca
Nano
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many nanometers are there in one millimeter?
1,000
10,000
100,000
1,000,000
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do if you are unsure about converting between two prefixes?
Use the largest prefix available.
Always multiply by 10.
Convert in multiple steps if necessary.
Use a calculator to guess the conversion.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct way to write a unit named after a person?
With a lowercase letter
With an uppercase letter
With a space between the number and unit
With a slash between the number and unit
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When converting from kilometers per hour to meters per second, what should you do?
Divide by 3.6
Divide by 1,000
Multiply by 1,000
Multiply by 3.6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a correct rule for writing units?
Use uppercase for all unit abbreviations.
Use a space between the number and the unit.
Use multiple prefixes for clarity.
Always use plural forms for unit abbreviations.
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