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Module 1

1. Module 1

1.16. Lesson 4

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Module 1: The International System of Units (SI)

 

Lesson 4: Mass

 

Focus

 

This photograph shows the produce section of a supermarket.

© Stephen Coburn/shutterstock

Will the product that you develop for your Unit 1 Project be shipped to market?

 

Most produce in grocery stores is sold by weight. Recently, in a flyer from a local supermarket, apples and peaches were advertised at $2.16/kg, cantaloupe at $1.50/kg, and mushrooms at $5.47/kg. These prices are quoted in terms of kilograms—an SI (metric) measure of mass. Scales to weigh produce are available in most stores for customers to use. Have you used a scale similar to the one in the photograph to weigh produce before making your purchases?

 

Lesson Questions

 

In this lesson you will explore these questions:

  • How is mass measured in SI?
  • What are the common units for measuring mass in SI?
  • How is one unit used to describe a mass converted to another unit?
Assessment

 

You will complete the Lesson 4 Assignment Booklet for assessment. Download the Lesson 4 Assignment Booklet and save it in your course folder now. You will receive instructions on how to complete the Assignment Booklet later in the lesson. You will also be prompted to start working on the Unit 1 Project.

 

Remember to save all activities, including those that are not part of the Assignment, in your course folder.

 

Required Materials and Equipment

 

In this lesson you will need your calculator and access to the Internet.