Introduction to SI Units
A Grade 7 science worksheet covering the fundamental concepts of SI units, including base units, derived units, and practical applications in measurement.
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Standards
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Introduction to SI Units
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Date:
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Read each question carefully and provide the best answer based on your knowledge of SI Units. Show all your work where applicable.
1. Which of the following is the SI base unit for length?
Centimeter
Meter
Kilometer
Inch
2. What physical quantity does the unit 'kilogram' measure?
Volume
Density
Mass
Weight
3. The SI unit for time is the .
4. Temperature is measured in in the SI system.
5. The amount of substance is measured in .
6. The liter is the SI base unit for volume.
True
False
7. Derived units are formed by combining two or more base units.
True
False
Match the SI base unit with the physical quantity it measures.
8. Ampere
a. Luminous Intensity
9. Candela
b. Electric Current
10. Kelvin
c. Thermodynamic Temperature
11. Explain why a standardized system of measurement like SI units is important in science.
12. Look at the image below. If you were to measure the length of this object, what SI unit would you most likely use? Explain your choice.
13. Consider the triple beam balance shown below. What SI unit is typically used to express measurements made with this instrument?
