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# Standard #: SC.8.P.8.2

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Differentiate between weight and mass recognizing that weight is the amount of gravitational pull on an object and is distinct from, though proportional to, mass.

### General Information

Subject Area: Science
Body of Knowledge: Physical Science
Big Idea: Properties of Matter - A. All objects and substances in the world are made of matter. Matter has two fundamental properties: matter takes up space and matter has mass which gives it inertia.

B. Objects and substances can be classified by their physical and chemical properties. Mass is the amount of matter (or "stuff") in an object. Weight, on the other hand, is the measure of force of attraction (gravitational force) between an object and Earth.

The concepts of mass and weight are complicated and potentially confusing to elementary students. Hence, the more familiar term of "weight" is recommended for use to stand for both mass and weight in grades K-5. By grades 6-8, students are expected to understand the distinction between mass and weight, and use them appropriately.

Clarification for grades K-2: The use of the more familiar term ‘weight’ instead of the term “mass” is recommended for grades K-2.

Clarification for grades 3-5: In grade 3, introduce the term mass as compared to the term weight. In grade 4, investigate the concept of weight versus mass of objects. In grade 5, discuss why mass (not weight) is used to compare properties of solids, liquids and gases.

Date of Last Rating: 05/08
Status: State Board Approved
Assessed: Yes

#### Related Courses

 Course Number1111 Course Title222 2002100: M/J Comprehensive Science 3 (Specifically in versions: 2014 - 2015, 2015 - 2022, 2022 and beyond (current)) 2002110: M/J Comprehensive Science 3, Advanced (Specifically in versions: 2014 - 2015, 2015 - 2022, 2022 and beyond (current)) 2003010: M/J Physical Science (Specifically in versions: 2014 - 2015, 2015 - 2022, 2022 and beyond (current)) 2003020: M/J Physical Science, Advanced (Specifically in versions: 2014 - 2015, 2015 - 2022, 2022 and beyond (current)) 7820017: Access M/J Comprehensive Science 3 (Specifically in versions: 2014 - 2015, 2015 - 2018, 2018 and beyond (current)) 2002055: M/J Comprehensive Science 1 Accelerated Honors (Specifically in versions: 2014 - 2015, 2015 - 2022, 2022 and beyond (current))

#### Related Access Points

 Access Point Number Access Point Title SC.8.P.8.In.2 Recognize that the weight of an object is related to the pull of gravity. SC.8.P.8.Su.2 Compare the weight of different sized objects. SC.8.P.8.Pa.2 Recognize the heavier of two objects.

#### Educational Software / Tool

 Name Description Density: Sea Water Mixing & Sinking This is an excellent resource for teachers and students that provides student sheets, data graphs, vocabulary, and teacher notes as well as Big Ideas, Essential Questions, Data Tables, Formative Assessment questions - extremely teacher friendly who need assistance on this Big Idea and Concept. (The Preconceptions were helpful to my students.)

#### Original Student Tutorial

 Name Description Mass and Weight: What's the Difference? Differentiate between weight and mass, recognizing that weight is the amount of gravitational pull on an object and is distinct though proportional to mass. In this interactive tutorial you'll help a curious chicken learn more about this important topic.

#### Tutorial

 Name Description Mass and Weight Clarification This tutorial covers the difference between mass and weight.

#### Unit/Lesson Sequence

 Name Description Middle School Chemistry Unit | Chapter 3 | Density Students experiment with objects that have the same volume but different mass and other objects that have the same mass but different volume to develop a meaning of density. Students also experiment with density in the context of sinking and floating and look at substances on the molecular level to discover why one substance is more or less dense than another.

#### Virtual Manipulative

 Name Description Your Weight on Other Worlds Using this online calculator, students enter their weight on Earth. Their "weight" on other planets is calculated.

#### Worksheet

 Name Description Mass vs. Weight This laboratory activity worksheet engages students in an exploration of mass and weight. Students use a balance and spring scale to measure the masses and weights of a several of objects. Students will analyze the data and determine the the relationship between mass and weight using graphing skills. An answer key is attached to assist the use of this resource.

#### Original Student Tutorial

 Name Description Mass and Weight: What's the Difference?: Differentiate between weight and mass, recognizing that weight is the amount of gravitational pull on an object and is distinct though proportional to mass. In this interactive tutorial you'll help a curious chicken learn more about this important topic.

#### Tutorial

 Name Description Mass and Weight Clarification: This tutorial covers the difference between mass and weight.

Printed On:11/27/2022 12:09:36 PM
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