Access Point #: SC.2.P.8.In.3

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Recognize that solids have a definite shape and liquids take the shape of their container.
General Information
Number: SC.2.P.8.In.3
Category: Independent
Date Adopted or Revised: 02/08
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.

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.

Related Benchmarks

This access point is an alternate version of the following benchmark(s).

Related Courses

This access point is part of these courses.
5020030: Science - Grade Two
7720030: Access Science Grade 2
5020090: STEM Lab Grade 2

Related Resources

Vetted resources educators can use to teach the concepts and skills in this access point.

Lesson Plan

Effect of Shape on Volume:

The students will learn that volume is not affected by a container's shape.

Type: Lesson Plan

Presentation/Slideshows

Liquids: A Science Curriculum Resource Support:

This is an accessible, easy-to-read book about liquids. It can be downloaded in Power Point, Impress, and Flash formats. For struggling or non-readers, the book can be read aloud in a variety of voices. All of the books on the Tar Heel Reader site can be used with the Intellikeys keyboard and a custom overlay, a touch screen, and/or 1-3 switches. The text and background colors can be modified for students with visual impairments.

Type: Presentation/Slideshow

Three Kinds of Matter: Solids, Liquids, and Gases:

This is free, easy-to-read, and accessible book that explains the three states of matter. The book may be downloaded as slide show in PowerPoint, Impress, or Flash format. The book can be speech enabled and accessed using multiple interfaces, including touch screens, the IntelliKeys with custom overlays, and 1 to 3 switches.

Type: Presentation/Slideshow

Unit/Lesson Sequence

Matter: Solids:

In this unit, properties of matter are introduced and solids are explored. Exposure to the engineering design process synthesizes information learned about solids and asks students to create a homemade play dough recipe.

Type: Unit/Lesson Sequence

Student Resources

Vetted resources students can use to learn the concepts and skills in this access point.

Presentation/Slideshows

Liquids: A Science Curriculum Resource Support:

This is an accessible, easy-to-read book about liquids. It can be downloaded in Power Point, Impress, and Flash formats. For struggling or non-readers, the book can be read aloud in a variety of voices. All of the books on the Tar Heel Reader site can be used with the Intellikeys keyboard and a custom overlay, a touch screen, and/or 1-3 switches. The text and background colors can be modified for students with visual impairments.

Type: Presentation/Slideshow

Three Kinds of Matter: Solids, Liquids, and Gases:

This is free, easy-to-read, and accessible book that explains the three states of matter. The book may be downloaded as slide show in PowerPoint, Impress, or Flash format. The book can be speech enabled and accessed using multiple interfaces, including touch screens, the IntelliKeys with custom overlays, and 1 to 3 switches.

Type: Presentation/Slideshow

Parent Resources

Vetted resources caregivers can use to help students learn the concepts and skills in this access point.

2 Presentation/Slideshows

Liquids: A Science Curriculum Resource Support:

This is an accessible, easy-to-read book about liquids. It can be downloaded in Power Point, Impress, and Flash formats. For struggling or non-readers, the book can be read aloud in a variety of voices. All of the books on the Tar Heel Reader site can be used with the Intellikeys keyboard and a custom overlay, a touch screen, and/or 1-3 switches. The text and background colors can be modified for students with visual impairments.

Type: Presentation/Slideshow

Three Kinds of Matter: Solids, Liquids, and Gases:

This is free, easy-to-read, and accessible book that explains the three states of matter. The book may be downloaded as slide show in PowerPoint, Impress, or Flash format. The book can be speech enabled and accessed using multiple interfaces, including touch screens, the IntelliKeys with custom overlays, and 1 to 3 switches.

Type: Presentation/Slideshow