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Worksheet
Curated OER

Natural Resources

For Students 9th - 12th
In this natural resources worksheet, students compare examples of chemical and physical properties, balance equations, and calculate molar mass and moles. This worksheet has 12 problems to solve and 12 short answer questions.
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Worksheet
Curated OER

Mass % and Empirical Formulas

For Students 10th - 12th
In this chemistry worksheet, learners calculate percent composition and determine the empirical formulas of compounds to complete 3 problems.
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Worksheet
Curated OER

Chemistry 130

For Students Higher Ed
In this chemical compounds worksheet, students calculate moles, molar concentration, and volume of given compounds. Students balance equations, give the formula and charge of polyatomic ions, and draw Lewis electron dot structures. This...
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Worksheet
Curated OER

Gas Law Worksheet

For Students 10th - Higher Ed
In this gas activity, learners apply the gas laws by calculating the mass, volume, pressure, or temperature for given gas reactions. This activity has 13 word problems.
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Worksheet
Curated OER

Enthalpy Changes in Chemical Reactions

For Students 10th - Higher Ed
In this chemical reactions worksheet, students calculate the enthalpy required to produce a specific mass of product. This worksheet has 4 problems to solve.
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Worksheet
Curated OER

Equilibrium

For Students 10th - Higher Ed
In this equilibrium activity, students determine the effect of adding or subtracting items from a reaction. Students determine the equilibrium constant for given reactions. This activity has 13 problems to solve.
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Worksheet
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Enthalpy

For Students 10th - Higher Ed
In this enthalpy worksheet, students use the bond energy to calculate the change in heat for the reaction. This worksheet has 2 problems to solve.
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Worksheet
Curated OER

Balancing Act

For Students 7th - 10th
In this chemical equation activity, students learn about atoms, elements and how to balance chemical equations. They walk through a few problems step by step, and then students attempt to complete some on their own. In total, there are...
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Lesson Plan
Curated OER

Chloroplasts

For Teachers K - 12th
Young scholars study chloroplasts, their structure and evolution.  In this photosynthesis lesson plan students experiment with polarized light and the production of chlorophyll.
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Worksheet
Curated OER

Biological Reactions

For Students 8th - 10th
In this biological reactions activity, students identify the type of biological reaction with the given example. Students also re-draw the biological reactions and circle the atoms that react together.
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Worksheet
Curated OER

Redox

For Students 9th - 10th
In this redox worksheet, students determine the oxidation numbers of each element for the given chemical formulas. Students write out the reactions for each example given. Students identify what part of the chemical equation is oxidized,...
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Worksheet
Curated OER

Isotopes; Molecular Notation; Electron Orbits

For Students 9th - 12th
In this isotopes, molecular notation, and electron orbits learning exercise, students read selections pertaining to isotopes, mass number, molecular notation, electric attraction, and electron orbits. In addition, students complete 11...
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Worksheet
Curated OER

Isotopes

For Students 10th - 12th
In this isotopes worksheet, students review mass number, molecular notation, electron attraction, and electron orbits. This worksheet has 5 matching and 5 short answer questions.
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Worksheet
Curated OER

Mass/Mass Problems

For Students 10th - 12th
In this mass activity, students calculate how much of any product will form from a given amount of reactant. This activity has 7 problems to solve.
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Worksheet
Curated OER

Sixth Grade Science Test

For Students 6th
In this science activity, 6th graders take a multiple choice quiz about matter, properties, electricity, and more. Students complete 30 questions total.
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Organizer
Curated OER

Chemical Equilibria

For Students 10th - Higher Ed
In this chemical reactions learning exercise, learners determine how mixtures shift toward reactants or products to reach equilibrium. For given reactions, students determine how concentrations will change when adding or removing gases...
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Lesson Plan
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Dissolved Oxygen Lesson

For Teachers 6th - 12th
Students investigate what dissolved oxygen is and why it is important to aquatic life and what factors influence levels of dissolved oxygen in a lake. They study how to use MS Excel to make charts to show trends and correlations.
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Worksheet
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Thermochemistry Calculations

For Students 12th - Higher Ed
In this chemistry worksheet, students apply reaction equation ratios to solve fifteen problems, including five using a specific formula provided on the worksheet.
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Lesson Plan
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Chemical Formulas Unit-Day 4

For Teachers 10th - 11th
The purpose of this lesson involves reviewing nomenclature and molecular formulas as well as introducing naming molecular compounds and identifying acids. The students investigate and understand how conservation of energy and matter is...
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Lesson Plan
Curated OER

Earth and Beyond

For Teachers 7th - 9th
In this earth and beyond worksheet, students answer short answer questions about the atmosphere, the chemical compounds in Earth's atmosphere. Students visit different websites to conduct research of the discoveries of the scientist who...