Unit Plan
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Isotopes and Atomic Mass

For Students 9th - 10th
Are all atoms of an element the same? How can you tell one isotope from another? Use the sim to learn about isotopes and how abundance relates to the average atomic mass of an element.
Interactive
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Isotopes and Atomic Mass

For Students 9th - 10th
Are all atoms of an element the same? How can you tell one isotope from another? Use the sim to learn about isotopes and how abundance relates to the average atomic mass of an element.
Unit Plan
CK-12 Foundation

Ck 12: Isotopes and Atomic Mass

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will be asked to define atomic number, mass number and understand how isotopes differ from one another. They will be able...
Unit Plan
Texas Education Agency

Texas Gateway: Average Atomic Mass

For Students 9th - 10th
A tutorial describing average atomic mass and how it is calculated.
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Investigating Isotopes: Using M&m's as a Model for Calculating Atomic Mass

For Teachers 9th - 10th
This activity allows students to gain an understanding of the relationship between the mass and relative abundance of an isotope and its effect on the average atomic mass of the element. Students will be given a random sample of the...
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Investigating Isotopes and Average Atomic Mass Using Pennies

For Teachers 9th - 10th
In this activity, young scholars apply what they have learned about weighted averages, isotopes, and systems of equations to a new situation - coins in a sealed container. They learn some historical information regarding the composition...
Interactive
CK-12 Foundation

Ck 12: Chemistry Simulation: Average Atomic Mass

For Students 9th - 10th
[Free Registration/Login Required] Students explore how percent abundances of different isotopes affect the average atomic mass for that given element. Students form connections between the average atomic mass and a person's body mass....
Unit Plan
Georgia Department of Education

Ga Virtual Learning: Physical Science: Matter and the Atom

For Students 9th - 10th
Students investigate the structure and parts of the atom, and learn about atomic mass and atomic number. They also explore the differences among solids, liquids, gases, and plasma.
Handout
Environmental Chemistry

Environmental chemistry.com: Anatomy of an Atom

For Students 9th - 10th
Explains the basics of atomic structure, from simple definitions to information about quantum theory. Accurate and helpful basics whether or not you need the more advanced information.
Unit Plan
Sophia Learning

Sophia: Isotopes: Lesson 2

For Students 9th - 10th
This lesson will define an isotope and demonstrate how to determine the average atomic mass of an element. It is 2 of 9 in the series titled "Isotopes."
PPT
Sophia Learning

Sophia: Isotopes: Lesson 8

For Students 9th - 10th
This lesson will define an isotope and demonstrate how to determine the average atomic mass of an element. It is 8 of 9 in the series titled "Isotopes."
Unit Plan
Sophia Learning

Sophia: Isotopes: Lesson 4

For Students 9th - 10th
This lesson will define an isotope and demonstrate how to determine the average atomic mass of an element. It is 4 of 9 in the series titled "Isotopes."
Website
Other

Lcid: Comparison of Fission and Fusion Processes

For Students 9th - 10th
From the Science Teacher's Resource Center. A data sheet tabulating the many differences between nuclear fission and nuclear fusion. Technical information about the nuclear reactions, the mass defect, isotope masses, etc. is included.
Interactive
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Build an Atom

For Students 9th - 10th
Build an atom out of protons, neutrons, and electrons, and see how the element, charge, and mass change. Then play a game to test your ideas!
Handout
Other

Chemistry Resources: The Elements: Alkali Metals

For Students 9th - 10th
This subtable lists and describes the six alkali metals of the periodic table of Elements. Related links are provided.
Website
Other

Chemical elements.com/scandium

For Students 9th - 10th
A site containing a good deal of elemental information. Information on each element includes atomic number, atomic mass, melting point, boiling point, density, isotopes and more.
Website
Other

Chemical elements.com: Samarium

For Students 9th - 10th
A site containing a good deal of elemental information. Information on each element includes atomic number, atomic mass, melting point, boiling point, density, isotopes and more.
Website
Other

Chemical elements.com: Silver

For Students 9th - 10th
A site containing a good deal of elemental information. Information on each element includes atomic number, atomic mass, melting point, boiling point, density, isotopes and more.
Website
Other

Chemical elements.com: Sodium

For Students 9th - 10th
A site containing a good deal of elemental information. Information on each element includes atomic number, atomic mass, melting point, boiling point, density, isotopes and more.
Unit Plan
CK-12 Foundation

Ck 12: Atoms to Molecules

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Examine the composition of matter.
Graphic
Curated OER

[Bohr Model of Samarium]

For Students 9th - 10th
A site containing a good deal of elemental information. Information on each element includes atomic number, atomic mass, melting point, boiling point, density, isotopes and more.
Graphic
Curated OER

[Bohr Model of Scandium]

For Students 9th - 10th
A site containing a good deal of elemental information. Information on each element includes atomic number, atomic mass, melting point, boiling point, density, isotopes and more.
Graphic
Curated OER

[Bohr Model of Silver]

For Students 9th - 10th
A site containing a good deal of elemental information. Information on each element includes atomic number, atomic mass, melting point, boiling point, density, isotopes and more.
Graphic
Curated OER

[Bohr Model of Sodium]

For Students 9th - 10th
A site containing a good deal of elemental information. Information on each element includes atomic number, atomic mass, melting point, boiling point, density, isotopes and more.