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SI System Basics

Understand the fundamental units and prefixes of the International System of Units (SI) and their applications in measurement.

Grade 8 Science Units and MeasurementSi System
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Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerMatching

Standards

NGSS.MS-PS1-1

Topics

SI SystemMeasurementUnitsScienceGrade 8
7 sections · Free to use · Printable
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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?

a

Centimeter

b

Meter

c

Kilometer

d

Inch

2. What does the prefix 'kilo-' represent in the SI system?

a

100

b

1,000

c

0.01

d

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.

T

True

F

False

2. Volume is a base unit in the SI system.

T

True

F

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