SI System Basics
Understand the fundamental units and prefixes of the International System of Units (SI) and their applications in measurement.
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SI System Basics Worksheet
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. Which of the following is the SI unit for length?
Centimeter
Meter
Kilometer
Inch
2. What does the prefix 'kilo-' represent in the SI system?
100
1,000
0.01
0.001
1. The SI unit for mass is the .
2. Temperature in the SI system is measured in .
3. The prefix 'centi-' means one of a unit.
1. The SI system is also known as the metric system.
True
False
2. Volume is a base unit in the SI system.
True
False
1. List three base units of the SI system and the physical quantities they measure.
2. Explain why the SI system is important for scientists around the world.
Match the SI prefix with its correct numerical value.
1. Pico-
a. 1,000,000
2. Mega-
b. 0.000001
3. Micro-
c. 0.000000000001
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