Standard #: SC.8.P.8.6


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Recognize that elements are grouped in the periodic table according to similarities of their properties.


General Information

Subject Area: Science
Grade: 8
Body of Knowledge: Physical Science
Idea: Level 1: Recall
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 Adopted or Revised: 02/08
Content Complexity Rating: Level 1: Recall - More Information
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))
7920030: Fundamental Integrated Science 1 (Specifically in versions: 2013 - 2015, 2015 - 2017 (course terminated))


Related Access Points

Access Point Number Access Point Title
SC.8.P.8.Pa.5 Separate a mixture into its parts.
SC.8.P.8.In.6 Identify common elements, such as oxygen, iron, and carbon.
SC.8.P.8.Su.6 Recognize examples of common elements, such as carbon or iron.


Related Resources

Educational Game

Name Description
The Element Game The computer will randomly pick an element and present the student with that element's data from the Periodic Table of Elements. They will use that information to answer the question that the computer asks about the number of protons, neutrons, electrons or nucleons (particles in the nucleus) that an atom of that element contains.

Lesson Plans

Name Description
Atomic Structure Unit: Lesson 3 - What's My Element?

This is the final lesson 3 in the Atom Structure Unit. This lesson allows students to program in Scratch and switch the costumes based on the operational conditions placed on the sprite. The final product in this lesson will showcase the students' conceptual understanding of the atomic structure in a computer science medium.

Atomic Structure Unit: Lesson 2 - Build Atom in Scratch

This is lesson 2 of 3 in the Atomic Structure unit. This lesson helps students sketch atoms by placing electrons, neutrons, and protons by referring to the periodic table. This lesson also helps students upload/draw costumes on Scratch to create animated objects.

Atomic Structure Unit: Lesson 1 - Science of an Atom

This is lesson 1 of 3 in the Atomic Structure unit. This lesson helps students determine charge, structure and location of different components of an atom. This lesson also allows students to sketch the first 18 elements from the periodic table.

Periodic Table - Atoms and Bonding

In this Model Eliciting Activity (MEA), students will use their knowledge of the organization of the periodic table and the basic properties of atoms to determine which elements should be used to develop compounds with two atoms of different elements. Students must determine the number of protons, neutrons, and electrons in a neutrally charged atom of an element using the periodic table. They must also determine which elements will likely bond together using their location on the periodic table. Students completing this MEA will develop two short essay responses to a client in the scientific industry.

Model Eliciting Activities, MEAs, are open-ended, interdisciplinary problem-solving activities that are meant to reveal students’ thinking about the concepts embedded in realistic situations. Click here to learn more about MEAs and how they can transform your classroom.

Investigating Elements - Metals, Non-Metals, and Metalloids

This resource is a guided inquiry that will aid students in understanding how an element's physical and chemical properties determine its placement on the periodic table.

Musical Elements

This resource is a research project that is part of a unit on atomic structure, the periodic table, and chemical bonding. Students form a group (band) and are assigned a part of the periodic table to research. They will discover why the periodic table is arranged the way it is and properties of different sections of the periodic table. Each group of students will create a band show poster that relates to properties of elements in their assigned section of the periodic table. Each individual student will also make a Facebook-type page that describes the properties and uses of a particular element in their "band."

Element Most Wanted Poster

Students will research an element from the Periodic Table of Elements and produce a Most Wanted poster allowing students to creatively detail the chemical and physical properties of a particular element.

Last...but certainly not the least

Through this activity, students will create a periodic table with Electron Dot Diagrams. This investigation allows students to explore and recognize patterns of the periodic table. This lesson allows students to draw conclusions and clearly demonstrates that atoms of elements in the same group have the same number of valence electrons while sharing similar properties and characteristics.

Periodic Table Family Album Mendeleev created the first periodic table based on atomic weight. He observed that many elements had similar properties, and that they occur periodically.

The periodic table can be divided into families of elements, each having similar properties.
Similarities of Elements This lesson explores elements and classification within the periodic table.

Original Student Tutorials

Name Description
Exploring the Periodic Table, Part 2: Groups

Explore the organization of elements into groups on the periodic table and what the group location indicates about an element's atomic structure. 

This is part 2 of 2 in a series of tutorials on the periodic table. Click below to open part 1.

Exploring the Periodic Table Part 1: Periods

Explore the organization of elements on the Periodic Table and pay special attention to energy levels of elements that share periods in this interactive tutorial.

This is part 1 of 2 in a series of tutorials on the periodic table. Click below to open part 2.

Perspectives Video: Teaching Idea

Name Description
Display your Knowledge of Elements with Parade Floats

Parades always have many exciting elements. This one is no exception.

Download the CPALMS Perspectives video student note taking guide.

Text Resources

Name Description
The Newest Superheavy in Town

This informational text resource is intended to support reading in the content area. Russian and U.S. scientists have collaborated to create for the first time element 117: "ununseptium." The element was created inside a machine called a cyclotron when atoms of berkelium and calcium were smashed together. While the element decays quickly, the new discovery has scientists very excited, as it fills a gap in the periodic table.

Ununpentium, The Newest Element

This informational text resource is intended to support reading in the content area. This article gives a brief history on Mendeleev's organization of the first periodic table and then discusses the discovery and short life of ununpentium.

American Elements This web site features an interactive periodic chart that provides information on the elements, including a description, physical and thermal properties, abundance, isotopes, ionization energy, the element's discoverer, translations of element names into several languages, and bibliographic information on research-and-development publications involving the element. Additional information includes technical information and information on manufactured products for elemental metals, metallic compounds, and ceramic and crystalline products. The American Elements company manufactures engineered and advanced material products.

Unit/Lesson Sequence

Name Description
Middle School Chemistry Unit | Chapter 4 | The Periodic Table & Bonding Students look more deeply into the structure of the atom and play a game to better understand the relationship between protons, neutrons, electrons, and energy levels in atoms and their location in the periodic table. Students will also explore covalent and ionic bonding.

Video/Audio/Animations

Name Description
Element Word Scramble Students test their knowledge about the names of elements and learn some of their properties through the hint provided with each scrambled word
The Periodic Table of Elements This interactive periodic table provides a good tool for teachers to obtain a historic background about the nature and properties of the elements
Element Matching Game

Students match the names of elements of the periodic table with their symbols

Element Flash Cards

This game tests students' knowledge about elements, such as their symbols, atomic numbers, and names

The Periodic Table of Videos This site was created by a team from the University of Nottingham in England. It features a video about each element on the periodic table, as well as some short videos about select molecules.

Student Resources

Original Student Tutorials

Name Description
Exploring the Periodic Table, Part 2: Groups:

Explore the organization of elements into groups on the periodic table and what the group location indicates about an element's atomic structure. 

This is part 2 of 2 in a series of tutorials on the periodic table. Click below to open part 1.

Exploring the Periodic Table Part 1: Periods:

Explore the organization of elements on the Periodic Table and pay special attention to energy levels of elements that share periods in this interactive tutorial.

This is part 1 of 2 in a series of tutorials on the periodic table. Click below to open part 2.

Text Resource

Name Description
American Elements: This web site features an interactive periodic chart that provides information on the elements, including a description, physical and thermal properties, abundance, isotopes, ionization energy, the element's discoverer, translations of element names into several languages, and bibliographic information on research-and-development publications involving the element. Additional information includes technical information and information on manufactured products for elemental metals, metallic compounds, and ceramic and crystalline products. The American Elements company manufactures engineered and advanced material products.

Video/Audio/Animations

Name Description
Element Word Scramble: Students test their knowledge about the names of elements and learn some of their properties through the hint provided with each scrambled word
Element Matching Game:

Students match the names of elements of the periodic table with their symbols

Element Flash Cards:

This game tests students' knowledge about elements, such as their symbols, atomic numbers, and names



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