Curated OER
Balancing Equations
In this balancing equations worksheet, students balance 8 equations using the proper coefficients. They also write the chemical formulas and balance 8 equations given the reaction in words.
Curated OER
Classification of Matter
In this classification of matter worksheet, students answer 15 questions about solids, liquids and gases, types of mixtures and compounds vs. elements. They also answer 2 questions about measurement and 1 question about a biome.
Curated OER
Unit 4 - Periodic Table
There are 17 multiple choice questions on this periodic table test. The focus is on properties of the elements by group and period. The exam is not formatted well, making it a little difficult to read. There is also a typographical...
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Physical Science Project-Atom
Fifth graders investigate atoms. In this atom lesson, 5th graders investigate the parts of an atom. Students explore atom numbers and determine the number of electrons is in each atom.
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Let Us Bond Together
Fourth graders paricipate in a demonstration about bond strengths and bond types.
Cornell University
The Making of Macromolecules
Compare and contrast macromolecules made from the same elements. Young scholars learn how the structure of a molecule has as much influence on a compound as the elements in the molecule. They experiment with molecular model kits to...
Normal Community High School
Classification of Matter
Steel is an example of homogeneous mixture, also called an alloy, which is made of iron and carbon. The presentation introduces learners to elements, compounds, and mixtures. They explore their similarities and differences, and then take...
NASA
Making Oxygen and Carbon Dioxide
Some like it hot! Scholars observe both exothermic and endothermic reactions as part of the carbon dioxide oxygen cycle. First, scientists demonstrate (or watch) a chemical reaction to create pure oxygen using fire for...
Curated OER
The Atom
In this atom worksheet, students read about the structure of the atom including its subatomic particles and John Dalton's theory of the atom. Students also read about the differences between atoms, molecules and compounds. They answer 30...
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.
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Ionic Chemical Formulas Days 1 & 2
Students study polyatomic ions and write binary and ternary ionic chemical formulas. They explore putting together different monatomic ions and coming up with as many chemical formulas as possible. They play a game similar to memory...
Curated OER
Naming and Writing Chemical Formulae-I
In this naming and writing chemical formulas instructional activity, students are given directions and practice writing simple chemical formulas. They identify positive and negative valence elements, they name nonmetal compounds, they...
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Chemical Bonding and Shapes of Molecules
In this chemical bonds worksheet, students review the different types of bonds, Lewis dot structures, ions, and molecule shapes. This worksheet has 10 matching, 17 multiple choice, and 3 drawing questions.
Curated OER
Atom Basics Review Sheet
In this atom learning exercise, students fill in three charts using the periodic table to identify atomic number, atomic mass, number of subatomic particles and the element's symbols. Students draw an atom and it's subatomic particles as...
Curated OER
Elements and Bonding Worksheet
In this elements and bonding worksheet, students classify given elements, they identify valence electrons in atoms, they explain the reactivity of elements, and they explain why certain atoms gain electrons while others lose electrons.
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What are Atoms?
In this atom worksheet, students read about Dalton's contributions to the structure of the atom. They answer five questions about Dalton's ideas, the law of multiple proportions and the law of definite proportions.
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How Do Atoms Stick Together?
In this chemical bonding activity, students answer 76 questions about compounds, Lewis dot structures, intermolecular forces between atoms, electronegativity and bonding and types of bonds.
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Types of Chemical Reactions
In this chemical reactions worksheet, students are given directions about three types of reactions and how to write balanced equations for each. They then are given ten practice problems to complete using the information given.
Curated OER
Types of Chemical Reactions
In this chemical reactions activity, students read about the 3 types of chemical equations and how to write balanced ionic equations. Students are given 5 equations to balance, write the type of reaction, write the total ionic equation,...
Curated OER
More Chemical Bonding
In this chemical bonding worksheet, students review the three types of compounds: ionic, covalent, and polyatomic. Students practice drawing the covalent bonds of given compounds. This worksheet has 5 drawings and 13 fill in the blank...
Curated OER
More Chemical Bonding
For this chemical bonding worksheet, high schoolers review the three types of bonds including ionic, covalent and polyatomic compounds. They identify 8 compounds as ionic, covalent or polyatomic and they make 4 ionic compounds and they...
Curated OER
Making Compounds Study Guide
In this making compounds worksheet, students are given 5 atoms and they draw a diagram of each. They identify the atom to the right of each and name the compound they make. Students define the terms compound, molecule and chemical...
Curated OER
Chemistry
In this general chemistry learning exercise students complete a series of multiple choice and short answer questions on elements, chemical properties and various chemical reactions.
Curated OER
Chemical Calculations
In this elements worksheet, students use the relative atomic masses of given elements to calculate the relative formula mass. Students calculate the mass of compounds from given number of moles and determine the number of moles from a...