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Worksheet
Curated OER

Empirical Formulas

For Students 9th - 12th
In this empirical formulas activity, students read about determining empirical formulas from chemical formulas. They determine the empirical formula given ten molecular formulas. They also find the molecular formulas given the mass and...
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Worksheet
Curated OER

Formulas from Masses

For Students 10th - 12th
In this mass worksheet, students determine the percentage composition of given compounds. Students write the empirical formula from the percentage composition. This worksheet has 5 problems to solve.
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Worksheet
Curated OER

A Fine Mess

For Students 9th - 12th
In this enthalpy and entropy worksheet, students read about the differences between enthalpy and entropy and answer three critical thinking questions about the reading.
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Worksheet
Curated OER

The Speed of Chemistry

For Students 9th - 12th
In this rates of chemical reactions instructional activity, students read about the various factors that influence the rate of chemical reactions such as surface area, concentration, temperature and catalysts. Students answer eight...
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Worksheet
Curated OER

Titration

For Students 9th - 12th
For this titration worksheet, high schoolers read about titrations or neutralization reactions used to determine the concentration of acids or bases. They are given sample problems used to find the concentrations of acids or bases....
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Worksheet
Curated OER

Writing Lewis Structures

For Students 9th - 12th
In this Lewis structures learning exercise, students read about drawing Lewis structures and how to identify valence electrons. They draw Lewis structures for eight given compounds.
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Worksheet
Curated OER

Applying the Gas Laws

For Students 9th - 12th
In this gas laws worksheet, learners solve eleven problems using the various gas laws to find temperature, pressure, and volume of gases.
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Worksheet
Curated OER

Finding the Oxidation State

For Students 9th - 12th
In this oxidation state worksheet, students are given rules for assigning oxidation numbers and a chart showing the oxidation states of the elements of a given compound. Students use the rules and the example to find the oxidation states...
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Worksheet
Curated OER

Physical vs. Chemical Changes and "The Code"

For Students 9th - 12th
In this chemical and physical change worksheet, students read about the differences between substances going through physical changes vs. chemical changes. They are given examples of each and evidence to look for in chemical changes....
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Worksheet
Curated OER

Naming and Covalent Compounds

For Students 9th - 12th
For this naming and covalent compounds worksheet, students name 12 compounds using a chart of polyatomic ions if needed. They also draw covalent bonds in 6 compounds and answer 6 questions about ionic bonds, covalent bonds and polyatomic...
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Worksheet
Curated OER

Naming Compounds

For Students 9th - 12th
In this naming compounds worksheet, high schoolers are given a chart to determine if the compound they are naming is ionic, covalent or polyatomic. Students practice identifying and naming ionic, covalent and polyatomic compounds. They...
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Worksheet
Curated OER

Classifying Chemical Reactions

For Students 9th - 12th
In this chemical reactions worksheet, students learn about the 5 types of chemical reactions as well as endothermic and exothermic reactions. Students are given 5 equations to balance and they identify the type of reaction for each...
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Worksheet
Curated OER

The Sun

For Students 7th - 9th
In this sun worksheet, students are given a diagram of 8 structures of the sun and they label each structure with a given term. They also fill in 8 blanks to complete sentences about the sun, its characteristics and the layers of its...
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Worksheet
Curated OER

Properties of Matter

For Students 9th - 12th
In this properties of matter instructional activity, students answer 6 questions related to matter. They classify and categorize given statements as chemical or physical properties, they identify chemical and physical changes and they...
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Worksheet
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Mixed Review

For Students 9th - 10th
In this chemistry worksheet, students solve chemical equations and define terminology using previous knowledge. There are 8 review questions.
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Worksheet
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Writing the Complete Equation

For Students 9th - 12th
In this writing equations activity, students are given 6 chemical reactions and they write equations for each one including the reactants, the products and the states of matter.
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Worksheet
Curated OER

Equilibrium Review Sheet

For Students 9th - 12th
In this equilibrium worksheet, students answer 5 questions about reactions reaching equilibrium, the concentration of the products and reactants when they reach equilibrium, and the effects of temperature changes, quantities of reactants...
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Worksheet
Curated OER

Early Atomic Theory Homework

For Students 9th - 12th
In this early atomic theory worksheet, learners answer 4 questions about the Law of Definite Proportions, the Law of Conservation of Mass and Dalton's Laws. Students are given 5 statements to determine if each true statement supports or...
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Lesson Plan
Curated OER

The Difference Between Acids and Bases Using Different Indicators

For Teachers 7th - 8th
Learners identify the differences between acids and bases. In this acids and bases lesson plan, students identify and distinguish between acids and bases. They use household products to test the ph levels. They test the ph levels by...
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Lesson Plan
Curated OER

Indicators For Acids and Bases

For Teachers 4th
Fourth graders compare the color of cabbage water when acids and bases are mixed in. In this acids and bases lesson plan, 4th graders use cabbage water and mix in acids and bases that the teacher prepares before hand. They observe the...
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Lesson Plan
Curated OER

Molecular Forces at Work: Creating Soap Bubbles

For Teachers 7th - 10th
Students investigate adhesion, cohesion and surface tension. In this molecular forces lesson plan, students observe multiple demonstrations that show surface tension, the attraction of water molecules to each other and the ability of...
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Lesson Plan
Curated OER

Acid(s)-Base(s) Detective

For Teachers 9th - 12th
Students investigate acids, bases, indicators and universal indicators. In this acid and base lesson plan, students test 6 samples with litmus paper and determine if they are acids or bases. They separate out 7 samples using litmus paper...
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Lesson Plan
Curated OER

Chemical Composition of American Coins

For Teachers 9th - 12th
Students investigate the chemical composition of pennies dated 1983 or later. In this chemical composition of American coins lesson plan, students scratch the surface of the penny to expose the zinc core. They put the penny in...
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Lesson Plan
Curated OER

Acidity of Foods

For Teachers 9th - 12th
Students investigate the acidity of foods using titration. In this acidity of foods lesson plan, students find the acid concentration of 4 fruit juices by titrating them each with sodium hydroxide and an indicator to find the end point. ...

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