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
Chemistry 1 Practice Exam
Thirty multiple-choice questions and their answers are provided in this resource. It was written for a general chemistry course and queries test takers on scientific notation, mixtures, chemical symbols, electric charges, Dalton's atomic...
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
Density and Mass
Students experiment to find which liquids are more dense. In this density and mass instructional activity, students predict and then test objects to observe and measure their density. students observe which items sink and float....
American Institute of Physics
African Americans and the Manhattan Project
A lesson about the Manhattan Project will explode young physicists' understanding of the racial attitudes in the United States during and after World war II. Groups select an African American scientist or technician that worked on the...
Curated OER
The Ethics of the Bomb: What Would You Do?
Young scholars research the use of the atomic bomb in WWII, analyze the human costs of dropping the bomb and identify the pros and cons. They develop a PowerPoint presentation on the effects of an atomic bomb dropped on their hometown.
Curated OER
Formula Units
In this chemistry worksheet, students examine the concepts of mole and molarity in order to apply in the laboratory setting. The sheet includes in depth background information.
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...
Curated OER
Making Molecules
In this making molecules worksheet, students complete a table of elements with their symbol, atomic number, atomic mass, number of protons, number of electrons, period and group. Students then make models using pipe cleaners and beads of...
Curated OER
The Mole
Students investigate moles and Avogadro's hypothesis. In this moles lesson plan, students complete a worksheet by finding the volume of 1 mole of each substance given its density and they find the number of molecules, the formula, the...
Curated OER
Introduction to the Periodic Table of Elements
Learners explain how the elements are arranged in the periodic table. In this chemistry lesson plan, students determine the subatomic particles for certain elements. They research the physical and chemical properties of an element they...
Cornell University
Polymers: Making Silly Putty
Putty is proof that learning can be fun! Share the wonderful world of polymers with your class through an experiment. Young scientists create their own silly putty, then examine its properties.
Science Education Resource Center at Carleton College
Serc: The Mole in Chemistry: Determining the Number of Atoms in Everyday Items
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...