PhET
Isotopes and Atomic Mass
Some isotopes are unstable, or radioactive, meaning they will decay over time and turn into another isotope or stable element. In the interactive simulation, participants manipulate elements to create isotopes and gather information....
Cornell University
Isotopes
What better way is there to learn about isotopes than to play with them? Chemistry students manipulate the number of protons and neutrons in a hands-on activity. Individuals try to score the largest number of points by collecting the...
Pingry School
Isotopes and Atomic Mass – Determination of the Average Atomic Mass of Pastium
Sometimes modeling is the best approach to working with microscopic particles. A lab investigation models a fictional element using pasta. The setup uses three different pasta types to represent three different isotopes. Learners...
Cornell University
Isotope Rummy
Thanks to this game, teaching isotopes will never be the same. Physical science scholars work their way toward understanding isotopes in an entertaining game. Pupils play rummy in groups while practicing good sportsmanship and creating...
University of Georgia
Bag O' Isotopes
Accommodate your chemistry class with an experiment that is both entertaining and educational. Through the activity, blossoming chemists perform calculations on various isotopes, as represented by beans and legumes, to obtain the average...
Virginia Department of Education
Isotopes
Lead your class through the amazing world of isotopes as they investigate the various properties they contain and further understand their respective location on the periodic table. They explore half-lives and radioactivity as each...
Kenan Fellows
Isotopic Pennies
Many people confuse atomic mass and atomic numbers. The sixth of seven lessons in a unit requires scholars to find the weight of different groups of pennies. Then, they must solve how many of each type of penny exists in a closed system...
Curated OER
Radioactive Simulations
Young scholars simulate radioactive decay and nuclear power using an on line interactive web site. In this on line lesson plan, students monitor radioactive isotopes and record the activity of a particular element as the decay...
Curated OER
Atomic Musical Chairs
An engaging activity enlightens young chemists in this lesson on atomic structure. They play musical chairs through a series of concentric circles that represent electon orbitals. A laundry basket in the middle holds the protons and...
Curated OER
Atoms : A Self Guided Computer Activity
"Self-guided Computer Activity" simply means that young chemists read through the slides and take notes about atoms along the way. There is an abundance of text on each slide, making this a comprehensive introduction to atomic structure....
Curated OER
Cosmic Chemistry: An Elemental Question
Space scientists investigate the cosmic phenomena in order to search for answers to possible origins of the solar system. They consider the concepts of elements and isotopes. Data is analyzed looking at tje abundance of elements...
Curated OER
Atoms, Molecules and Ions
Atomic theory, experiments that contributed to our knowledge of matter, atomic structure, isotopes, and ions are covered in these 33 slides. Quality diagrams and labeled charts will help activate understanding. The presentation concludes...
It's About Time
What Determines and Limits an Atom's Mass?
Provide learners with the tools to further understand nuclear energy and isotopes. Young chemists investigate the components of an atom's nucleus, use symbols to represent various isotope forms, and use the percent abundance of an atom's...
Virginia Department of Education
Radioactive Decay and Half-Life
Explain the importance of radioactive half-life as your high school biologists demonstrate the concept by performing a series of steps designed to simulate radioactive decay. Pupils use pennies to perform an experiment and gather data....
Virginia Department of Education
Average Atomic Masses
Facilitate learning by using small objects to teach the principles of atomic mass in your science class. Pupils determine the average mass of varying beans as they perform a series of competitive experiments. They gather data and...
Curated OER
The Average Atom - Isotopes
Seventh graders, in groups, complete an Isotopes model and notice that atomic masses are decimal numbers. These masses are an average of all the isotopes of that element.
Curated OER
Atomic Mass of Candium
By focusing on "Candium", pupils can work through this guide to learn more about different isotopes. The teacher will supply M&M's, Skittles and Reeses Pieces to provide data about mass and abundance.
Curated OER
Properties of Matter
Ninth graders explore the molecular structure of matter and how it can affect the physical characteristics of a specific material. They demonstrate that isotopes of an element have different masses. Students demonstrate that the rates of...
Curated OER
UP AND ATOM
If you are willing to sort through this outline and overlook the portions relating to inaccessible videos, you will find a wealth of support for your introductory chemistry unit. Narrative is presented to help you help learners navigate...
Curated OER
What Was for Dinner?
Students examine energy obtaining strategies that are used by organisms in deep reef communities. In this ocean lesson plan students complete an isotope activity.
Curated OER
History's Thermometers
Ancient coral beds give scientists clues to past ocean temperatures in much the same way that tree rings indicate historical weather conditions. High school scientists examine coral oxygen isotope ratios and plot the data as a function...
Curated OER
Radiochemistry
In this radiochemistry instructional activity, students read about how scientists learn more about elements using radioactive isotopes. Students answer three critical thinking questions about the reading and radiochemistry.
Curated OER
Polar Energy
Students define and read an article on polar energy. In this polar energy instructional activity, students answer questions about the article. Students participate in activities related to isotopes, half-life and radiocarbon. Students...
Curated OER
Earth Structure and Materials
Young scholars explain what is meant by term nuclear radiation, describe in detail electromagnetic spectrum, differentiate between ionizing and non-ionizing radiation, understand half-life of isotopes, differentiate between processes of...