Curated OER
Atomic Structure
In this completing a chart of Elements or Ions learning exercise, 6th graders fill in the blanks for the Atomic Number, Number of Protons, Number of Neutrons, and Number of Electrons. Students fill in 44 blanks.
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The Atom Board-Making Atoms
In this making atoms science worksheet, students read about the atomic number of protons, finding the number of neurons, and how electrons function before they complete the atom board graphic organizer and respond to 4 short answer...
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Molecular Models
In this molecular formula worksheet students fill in a table describing elements and chemical formulas. They identify, elements by type and how they bond. The student analyze molecular formulas to identify the number of atoms and if the...
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Element Symbols
In this chemistry worksheet, 10th graders write the symbols for 12 elements that are named in a table. They complete the chart by writing the names in the blanks next to each element name.
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Elements Word Search Puzzle
In this word search puzzle worksheet, students will find and circle forty-five different names of elements from the periodic table.
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Atoms
In this atoms worksheet, students use their knowledge of the periodic table and of atomic structure to complete the table on atoms. They identify the notation for each and then the atomic number, mass number, the number of protons,...
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Memorization Tips: Elements/Symbols
In this chemistry learning exercise, students identify ways to memorize the elements and symbols of the periodic table for chemistry. They identify phrases that use each element in a unique way.
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Chemistry Equations
For this chemistry worksheet, students balance the list of equations given using their knowledge of the Periodic table. There are 27 equations to solve on the sheet.
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Module 9 Metals
In this chemistry worksheet, students identify and locate various vocabulary terms related to metals found in the periodic table. There are 54 chemistry terms located in the word search.
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Elements 41-50 Word Search
For this word search worksheet, students locate nine elements from the Periodic Table. The list of elements include palladium, silver, and rhodium.
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Balancing Equations
In this balancing equations learning exercise, students determine the type of reaction and write the balanced equation. Students read the word description and write the symbol of each element using the periodic table.
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Typical Conceptual Questions for Physics I - Waves, Electricity, and Magnetism
This wave and electromagnetism assignment is so thorough, it could be used as a unit exam. The first section of it covers wave concepts. The next section addresses static electricity. There is a section that deals with electric circuits....
It's About Time
Chemical Names and Formulas
Abracadabra! Provide your class with the tools to perform a chemical "magic show" as they predict the charges of various ions, determine ionic compound formulas, and make observations to determine when a chemical reaction between two...
It's About Time
How Atoms Interact with Each Other
Connect the dots and assist young chemists as they demonstrate covalent and ionic bonding. Class members use their knowledge of valence electrons to predict compound formulas as they arrange electrons into various bonding structures to...
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...
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Observations of Properties of Matter
To guide learners through observations of chemical samples in the lab, this resource asks them to give all formulas and complete the attached data sheet. There are multiple questions about categories of elements and general behavior,
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2005 U.S. National Chemistry Olympiad - Local Section Exam
National Chemistry Olympiad tests are released after their use each year, since they cannot use them again for this event. The result: outstanding comprehensive assessment resources for general chemistry classes! This 2005 version covers...
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Ranking Molecular Properties Based Upon Intermolecular Forces
A splendid chart of information about chemical bonding tops the first page. In it you will find information on London forces, permanent dipoles, hydrogen bonds, ionic bonds, and covalent bonds. A four-step process for assigning...
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WS 7.1.3 Molecular and Ionic Compounds
In this compounds activity, students name ionic and molecular compounds given their formulas. They also write the formulas for molecular and ionic compounds given their names.
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Math for AS Chemistry
No practice problems are given on this handout; it is a detailed list of concepts to know and tips for working related problems in chemistry. Give this to learners as a study guide, or use it early in your career as a chemistry...
Beyond Benign
Catalysts and Oxygen
Here is an engaging and hands-on lesson plan that allows high school chemists to demonstrate the effects of a catalyst on various chemicals. They garner knowledge of how reactants and products differ from one another, while analyzing the...
It's About Time
Are Atoms Invisible?
Wow, an experiment that allows the class to participate in a missile war! Pupils discuss Thomsons's theory of cathode rays and simulate Rutherford's historical experiment to learn about atomic structure. They conclude this fourth lesson...
It's About Time
The Chemical Behavior of Atoms
Assist your class with this colorful activity as students view and interpret changes in the hydrogen atom. They discuss concepts of the electromagnetic spectrum and use Bohr's model to predict wavelengths and light patterns,...
Beyond Benign
Green"er" Precipitation Reaction
All sodium carbonate may not have the same amount of carbonate, but it should have the same percent. Learners write and balance an equation to predict the chemical reaction between sodium carbonate and zinc acetate. Through the lab...