Curated OER
Mendeleev's Periodic Table
In this periodic table worksheet, learners learn how Mendeleev organized elements by their atomic weight and grouped elements with the same properties. Students compare Mendeleev's periodic table with the modern periodic table. This...
Curated OER
Chocolatium
Students find the average atomic mass of M & M's. For this chemistry lesson, students are given a sample of the element chocolatium and the atomic mass of each sample. They then find the average atomic mass.
Concord Consortium
Atom and Ion Builder
Explore and control the building blocks of atoms! Physical science superstars add and remove subatomic particles to create atoms and ions with an easy-to-use interactive. An alternate activity includes an assignment that focuses on the...
PhET
Radioactive Dating Game
Uranium 235 has a half-life of over 700 million years and is the fuel used in the atomic bomb dropped on Hiroshima, Japan. Pupils see the half-lives and decay rates of Carbon-14 and Uranium-238. They also take measurements of these two...
Royal Society of Chemistry
Acids and Alkalis
Is your acid-base chemistry lesson plan a little ho-hum? Spice things up with puzzles! Young chemists manipulate facts about acids and bases to solve a series of interactive puzzles. The activity combines content knowledge and...
Curated OER
Periodic Table of Elements on Mars
In this periodic table of elements activity, students are given clues and descriptions for elements in order to determine where they belong in the "Martian Periodic Table". They place the elements in the proper place in the given...
Curated OER
Periodic Table Quiz Review Sheet
In this periodic table worksheet, students answer 10 questions about electronegativity, the groups of elements, atomic radius trends, electronegativity trends, ionization energy trends and properties of the elements.
Curated OER
Chemical Elements: Student Story
In this chemical elements: student story worksheet, students complete the given story by filling in the blanks with the names of the elements in brackets.
Curated OER
Periodic Table of Elements
Students use reference skills to locate information about the periodic table.
They identify elements by name, atomic number, atomic mass, symbol and properties. Students use mathematical processes to find the number of protons,electrons...
Curated OER
Conserving Chemical Resources
Students balance chemical equations and solve for gram to mole ratios.
Museum of Science
goREACT
Beginning Boyles and curious Curies can safely experiment with the virtual mixing of elements using this entertaining application.
Cornell University
Hydrophobic Surfaces—Deposition and Analysis
Couches, carpets, and even computer keyboards now advertise they are spill-resistant, but what does that mean? Scholars use physical and chemical methods to coat surfaces with thin films to test their hydrophobic properties. Then they...
Curated OER
2001 U.S. National Chemistry Olympiad Part I
Sixty multiple-choice questions test on a variety of first year chemistry subjects. In order to succeed, exam takers must be competent with properties of elements, stoichiometry problems, gas laws, bond dissociation, and types of...
Curated OER
Periodic Table
In this periodic table worksheet, students characterize elements according to their group in the periodic table. This worksheet has 26 matching and 13 multiple choice questions.
Curated OER
Periodic Table
In this elements activity, students review the characteristics of elements and the periodic table. This activity has 2 different versions, one with 20 multiple choice questions and answers and the other has 17 multiple choice questions...
Curated OER
Periodic Table Puns
In this chemistry worksheet, students use their imagination and the elements in the Periodic Table to solve each of the puns listed on the sheet. Then they create some of their own and write them on the back.
Curated OER
Periodic Table Puns 2
In this chemistry worksheet, students use their imagination and the elements in the Periodic Table to solve each pun listed on the sheet. There are 24 to complete.
Curated OER
Chemical Elements and Compounds Crossword
In this elements instructional activity, students complete a crossword puzzle by figuring out the vocabulary words associated with the 25 clues given.
Curated OER
Atoms, Molecules, and Ions
In this molecules worksheet, students review the parts of an atom and use element mass to determine isotopes. Students give the group, period, and classification for the given elements. This worksheet has 6 short answer questions and 17...
Curated OER
Protons, Neutrons, and Electrons
Using the periodic table of elements, young chemists fill in a chart of isotopes to show the atomic number, mass, charge, number of protons, number of neutrons, and number of electrons. The chart is followed by 11 questions that...
Curated OER
Periodic Table
Students identify in what groups and periods element is, state how many valance electrons element has, list basic properties of groups on periodic table, fill electrons in correct energy level/groups, and answer chapter questions.
Curated OER
Periodic Table & Its Trends
Students review atomic structure and then participate in a activity in which they categorize several "elements" into some form of order based on their properties. They discuss the trends they see. They also practice several electron...
Curated OER
Size of Atoms - Trends
This compendious collection of slides leaves no questions when it comes to the concept of atomic size. Thorough and easy-to-read graphs, tables, and graphics explain atomic radii, the shielding effect, the octet rule, isoelectric...
Curated OER
Outcomes Science 4
In this outcome science 4 worksheet, students apply scientific knowledge to answer and calculate a variety of questions. Students research the answer to several questions using the websites suggested.