Interactive
CK-12 Foundation

Ck 12: Plix: Mass Number: Writing the Periodic Table

For Students 9th - 10th
[Free Registration/Login Required] Put the elements in the correct order on the table by using the information given in each of the element squares.
eBook
Chiral Publishing

Chiral Publishing: An Introduction to Chemistry: Relating Mass to Number of Particles: Audio Book

For Students 9th - 10th
This slide and audio book shows how to relate mass to a number of particles by using many formulas, examples, and real life scenarios. View the weighted average calculations, Avogadro's number, the atomic mass of carbon, and molar mass.
Unknown Type
Physics Aviary

Physics Aviary: Practice Problems: Mass Spectrometer Problem

For Students 9th - 10th
Determine the mass of two different isotopes of an element based on their deflection by a magnetic field.
Unit Plan
CK-12 Foundation

Ck 12: Chemistry: Mass Number

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Shows the calculation of mass number.
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, students 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 of...
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.
Lesson Plan
Science Education Resource Center at Carleton College

Serc: The Mole in Chemistry: Determining the Number of Atoms in Everyday Items

For Teachers 9th - 10th
Students explore the concept of the mole as a measure of quantity. They build spreadsheets that allow them to convert between moles, grams, and atomic mass units for given quantities of everyday items, elements, and simple chemical...
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.
eBook
OpenStax

Open Stax: Elements and Atoms, the Building Blocks of Matter

For Students 9th - 10th
This site provides an overview of elements and atoms, the building blocks of matter.
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
CK-12 Foundation

Ck 12: Chemistry: Calculating Atomic Mass

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Covers definition of atomic mass and calculations of atomic mass.
Unit Plan
CK-12 Foundation

Ck 12: Chemistry: Atomic Mass Unit

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Definition of atomic mass unit is discussed.
Handout
Other

Dannen.com: Atomic Bomb Decision

For Students 9th - 10th
This site has information about the bombings of Nagasaki and Hiroshima. The information is detailed and in depth. Contains many links to related sites.
Handout
Wikimedia

Wikipedia: Atomic Number

For Students 9th - 10th
Wikipedia provides the definition of the term, "Atomic number," a term used in chemistry and physics to represent the number of protons in the nucleus of an atom.
PPT
Sophia Learning

Sophia: Atomic Mass: Lesson 3

For Students 9th - 10th
This lesson explains what is represented by the atomic mass, and how it varies from one element to the next. It is 3 of 4 in the series titled "Atomic Mass."
Unit Plan
Sophia Learning

Sophia: Atomic Mass: Lesson 1

For Students 9th - 10th
This lesson explains what is represented by the atomic mass, and how it varies from one element to the next. It is 1 of 4 in the series titled "Atomic Mass."
Unit Plan
Sophia Learning

Sophia: Atomic Mass: Lesson 2

For Students 9th - 10th
This lesson explains what is represented by the atomic mass, and how it varies from one element to the next. It is 2 of 4 in the series titled "Atomic Mass."
Unit Plan
Sophia Learning

Sophia: Atomic Mass: Lesson 4

For Students 9th - 10th
This lesson explains what is represented by the atomic mass, and how it varies from one element to the next. Module includes a slideshow and a quiz.
Unit Plan
Vision Learning

Visionlearning: Atomic Theory and Structure: The Mole: Its History and Use

For Students 9th - 10th
An introduction to the mole, a unit of measurement that quantifies atoms and molecules.
Interactive
CK-12 Foundation

Ck 12 Exploration Series: Simulations: Physics: Tire Pressure

For Students 9th - 10th
[Free Registration/Login Required] Uncover the relationship between pressure, force, and contact area in the context of a fire truck. Play with vehicle mass, number of tires, and guage pressure with this simulation to see what...
Unit Plan
CK-12 Foundation

Ck 12: The Mole Concept

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will identify three methods for measuring the amount of matter in a sample. They will define the mole and its relationship...
Handout
Encyclopedia of Earth

Encyclopedia of Earth: Elements

For Students 9th - 10th
Engaging and very informative article that explains what elements are, some of their history, how they are represented, the categories of elements, the periodic table, and how they are structured and classified.
Interactive
Department of Defense

Do Dea: Chemistry Review

For Students 9th - 10th
Review atoms with this slideshow. You can choose to listen to the review or read the accompanying text. At the end, play the game to review the basics of atoms that you have just learned about. You may play the game as many times as...
Handout
Science Struck

Science Struck: Periodic Table With Atomic Mass

For Students 9th - 10th
Explains how Dmitri Mendeleev created the periodic table of elements, how it was organized, the changes made by Henry Moseley in 1931, some characteristics of element groups, and what the atomic mass, number, and abbreviation each...

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