Curated OER
Ions in Chemical Formulas
In this ions in chemical formulas worksheet, high schoolers are given 10 sets of ions to combine to form the proper chemical formula. They are given 10 formulas and they write the symbols of the ions in the compound and the number of...
Curated OER
Testing for Life’s Molecules
Want to hear a joke about sodium? Na. Young scientists test various materials to identify if they include protein, starch, and glucose by using the Biuret test, iodine starch test, and Benedict's test respectively. After practicing with...
Curated OER
Organic Chemistry-Isomers
In this isomer activity, high schoolers learn about the structures of isomers and then they draw the isomers for six organic compounds.
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Patterns in Properties (of elements and compounds)
In this element properties worksheet, students complete a crossword puzzle with 91 questions related to properties of elements and compounds.
Massachusetts Institute of Technology
List of Chemicals in Space
What is space made of? It turns out that there are many compounds found in space! The 10th lesson of a science series provides a list of the compounds found in space and asks young scholars to research the characteristics of these...
Curated OER
Compound Names and Formulas
In this compounds worksheet, high schoolers name the given ionic compound, describe how covalent compounds are named, and write the chemical formulas for the covalent compounds. This worksheet has 2 fill in the blank and 3 short answer...
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Atoms and molecules
In this chemistry worksheet, high schoolers find the words that are related to atoms and molecules. The answers are found by clicking the link at the bottom of the page.
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Ionic Compounds
In this compounds worksheet, students review the structure and properties of ionic compounds, their formulas and nomenclature, and molecular mass and percentage composition. This worksheet has 4 short answer questions and 7 problems to...
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Organic Chemistry Practice Test
Framed as an organic chemistry practice test, this resource could be used for a variety of purposes. Composed of 15 questions about organic compounds such as isomers, alkynes, alkenes and amines, and other topics related to organic...
Curated OER
Percentage Composition
In this chemical compounds learning exercise, students determine the empirical formula or the molecular formula for the compounds given. Students calculate percent composition. This learning exercise has 10 problems to solve.
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Percentage Composition and Empirical & Molecular Formula
In this compounds worksheet, students determine the empirical and molecular formulas for given compounds. This worksheet has 10 problems to solve.
Curated OER
Atoms, Molecules and their Names
In this chemistry worksheet, students name the periodic table families and calculate atomic masses of elements to complete 9 questions.
Curated OER
Empirical and Molecular Formulas
In this compounds worksheet, high schoolers write the empirical formulas or the molecular formula for the given chemical compounds. This worksheet has 20 problems to solve.
Curated OER
Formulas
There are two sheets here, with 100 problems total. The first half is a list of compounds, and your young chemists should write the chemical formula for each. The next fifty give the formula and the name is required. You could also use...
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Biochemical Structures
It's truly amazing how life is sustained through the complicated interactions of different organic compounds. As young biochemists complete this instructional activity, they demonstrate their ability to identify these essential molecules...
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Compounds and Molecules
In this compounds worksheet, high schoolers compare separating elements of a compound and substances in a mixture. Students review melting and boiling point. This worksheet has 1 fill in the blank and 5 short answer questions.
Curated OER
1999 U.S. National Chemistry Olympiad Part II
A variety of topics including reaction rates, combustion reactions, periodic trends, and ionization reactions are included in this exam. Test takers also practice calculating empirical and molecular formulas of compounds.
Curated OER
Recognizing Polar Molecules
In this polar molecules activity, students complete a graphic organizer by writing in the bond type, electron dot diagram, and the type of compound for the chemical compounds given.
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Simple Organic Compounds
In this organic compounds activity, students review 8 terms associated with hydrocarbon molecules. Students find these 8 terms in a word search.
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Covalent Compound Scavenger Hunt
For this chemistry worksheet, students look for the covalent compounds while examining the objects in the classroom. They also apply the knowledge of formulas.
Curated OER
Elements and Compounds Vocabulary Quiz
For this science vocabulary worksheet, students draw lines to match 9 words pertaining to elements and compounds to their definitions.
Curated OER
Elements and Compounds Vocabulary List and Definitions
In this chemistry worksheet, students read ten vocabulary words and definitions pertaining to elements and compounds. There are no questions to answer.
Curated OER
The Atom
In this atom worksheet, students read about the parts of the atom and how atoms combine into molecules and compounds. Students learn how to read a periodic table. This worksheet has 20 fill in the blank and 10 matching questions.
Curated OER
What do Chemists See When they Look at Chemicals?
In this chemicals worksheet, students answer 15 multiple choice questions about chemicals, compounds, inorganic and organic molecules.
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