Curated OER
Elements Commercials
Student teams use a digital camcorder and iMovie to create a commercial about an element. They also use the Internet and their textbook to gather the following information about their element: the name, the symbol, the atomic number, the...
Curated OER
Isotopes Worksheet #1
In this isotopes learning exercise, students find the average atomic mass given the masses of two isotopes. They also calculate the atomic mass of elements given the percentages of each isotope.
Curated OER
Periodic Table Trends
In this periodic trends worksheet, students solve ten problems related to elements in the periodic table. Students write electron configurations for atoms and they compare elements and their periodic trends.
Curated OER
Mining an Ore
Students investigate how to determine the percent composition of a mineral in an ore. In this mining an ore lesson plan, students use chocolate chips cookies to represent an ore and they remove precious minerals (the chocolate chips)...
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Element Advertisement!
Students investigate the Periodic Table of Elements. In this chemistry lesson, students use a post of the Periodic Table to identify the mass number, atomic number, and atomic symbol. Students create a Podcast to "advertise" a specific...
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Analyzing the Bohr Atom
In this Bohr atom worksheet, students complete a table with the number of electrons of the element, the electron configuration, the mass number, the number of protons, the number of neutrons, the element, the symbol and the isotope...
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Elements of Chemistry: The Periodic Table
Students examine the atomic structure of elements. In this chemistry lesson students organize elements of the periodic table according to their atomic mass, and compare their order within the periodic table.
Curated OER
Calculating Isotopes Review Sheet
In this isotopes review sheet, high schoolers determine the atomic mass for three elements and they answer questions about isotopes.
Curated OER
Periodic Table Puzzle
For this chemistry worksheet, students use the clues given at the bottom of the sheet to solve the crossword puzzle on the Periodic Table. They describe the number of protons and electrons some elements posses, as well as identify their...
Curated OER
Quiz 1-Problem Solving and Naming Compounds
In this problem solving learning exercise, learners are given five problems including calculating volume given the dimensions of a pool, determining the number of subatomic particles in an atom, filling in a table with chemical names and...
Curated OER
Atom Review
In this atom activity, students review the subatomic particles, the scientists associated with the atomic theory, and the periodic table. This activity has 15 matching, 24 fill in the blank, and 11 short answer questions.
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History of the Atom Quiz Review
In this history of the atom activity, high schoolers answer questions about Thomson's cathode ray apparatus, Rutherford's gold foil experiment and Dalton's beliefs about the atom. Students identify the number of protons, neutrons and...
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Composition of the Atom
High schoolers investigate the structure of the atom and its composition. In this atom structure lesson, students find the area of cut out circles and drop pens into the circles. They count the number of marks in the circles and relate...
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Working with Moles
In this moles worksheet, students read about mass, formula mass and moles. They calculate the masses of given numbers of moles of compounds and they calculate the number of moles of given masses of compounds.
Curated OER
Defining the Atom
Words, words, words! This presentation uses plenty of them to define the atom, outline the history of what we know about atoms, and explain atomic and mass numbers. That's all! Informative, but not interesting, this slide show would be...
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Periodic Table And Its Trends - Day 4
Guide your chemistry class through the periodic table so that they are able to identify atomic radii, electronegativity, and ionization energy. Give them three metals to place in water to observe reactivity. Teach them to write electron...
Cornell University
Atomic Bonding
Explore the connection of surface area to bonding within atoms. Learners complete lab investigations to model changing surface area with different sizes and concentrations of atoms. A flour fireball demonstration follows the labs to...
Science Geek
Nuclear Chemistry
Which bichemicals wash up on shore? Nucleotides! Presentation covers alpha, beta, and gamma radiation. Includes a comparison of fission versus fusion. Presentation is the second in a five-part series.
Science Geek
Stoichiometry
Watch your class react when you tell them they're going to study stoichiometry! The lesson demonstrates four examples. Scholars must write and balance the chemical equation and then make the conversion to find the correct mass or volume....
Royal Society of Chemistry
Moles Equations (14-16)
In chemistry, the mole is a unit of measurement, much like a millimeter or liter. After learning about moles, scholars learn various equations relating to mass, volume, and concentration. They review each of these equations in a few...
Curated OER
A Guided Tour of the Periodic Table
In this periodic table worksheet, learners write the chemical symbols for the given elements, compare atomic number and mass number, and describe the importance of valence electrons in the organization of the periodic table. This...
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Exploring the Large Hadron Collider
On this physics handout, pupils read about the Hadron Collider used to make new sub-atomic particles by accelerating protons. They solve 6 math problems that include translating electron volts to Joules. This is geared toward high school...
Curated OER
2007 U.S. National Chemistry Olympiad Local Section Exam
Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...
Curated OER
2002 U.S. National Chemistry Olympiad National Exam - Part I
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
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