Curated OER
Empirical Formulas
Students investigate empirical formulas for molecules. In this empirical formulas lesson plan, students use paper ions to form formulas and they show these are empirical formulas. They use ions of carbon and hydrogen showing electron...
Curated OER
Biotic and Abiotic Factors
In this biotic and abiotic factors worksheet, students complete 20 various types of questions related to biotic and abiotic factors. First, they write the vocabulary word that best completes the sentence. Then, students state an example...
Curated OER
Calculating pH
In this pH worksheet, learners are given information and directions as to how to calculate the pH of solutions. They use their calculators to find the pH of given solutions and apply what they learned about identifying acids and bases.
Curated OER
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
Chemistry Lab: Chemical Equilibrium
Students investigate the effects of adding or removing a reactant or a product on chemical equilibrium. In this equilibrium lesson plan, students add or remove ions to solutions to determine the effects on equilibrium. They make...
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Acid and Base Problems
In this acid and base activity, students use seven steps to calculate concentrations of ions in acidic and basic solutions. They also determine the type of acid or base.
Curated OER
Writing Net Ionic Equations
In this ionic equations worksheet, students are given 20 equations to complete. They are to write the net ionic equation and indicate if a precipitate or gas is formed. In addition they are to determine if 11 compounds are acids or bases...
Curated OER
Complex Equilibria Quiz
In this equilibrium worksheet, students answer 8 multiple choice questions but need to solve the problems in order to determine the answers. They include determining the concentrations of ions as well as the pH of solutions.
Curated OER
The Io Plasma Torus
For this plasma torus worksheet, students solve 5 problems including finding the dimensions of the Io torus, determining the formula for the volume of a torus, finding the actual volume of the Ion torus and finding the amount of sodium...
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WS 10.10 Salts and Buffers
In this salts and buffers worksheet, students answer five questions about the acids and bases that form salts as well as the equations for a buffer system.
Curated OER
Electron Configuration and Quantum Mechanics
In this electron configuration and quantum mechanics worksheet, students identify the 4 symbols for quantum numbers, they complete an electron filling diagram, they complete orbital diagrams for 8 elements and they write the notation...
Messenger Education
Look But Don’t Touch—Exploration with Remote Sensing
Mars is home to the tallest mountain in our solar system, Olympus Mons. In this set of two activities, learners review geologic land formations through the analysis of aerial maps. They then apply this knowledge to aerial maps of objects...
Royal Society of Chemistry
Weathering and Erosion: Simulating Rock Attack in the Lab
Into each life some rain must fall, but how can that change rocks? Young geologists' understanding of weathering and erosion increases throughout the activities. The lesson includes five short activities to be completed...
Curated OER
Formulae of Ionic Compounds
In this compounds instructional activity, students learn the steps to writing the formula for ionic compounds. This students work out the formula for 12 compounds.
Curated OER
Pre-Lab Questions-Acids and Bases
In this acids and bases worksheet, students answer eight questions about acids and bases prior to doing a titration lab. They define both acids and bases and explain what a neutralization reaction is as well as a titration.
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Chemical Compounds
In this chemistry activity, students identify 3 different chemical compounds, 3 identify biochemical products, 4 identify terms, and 2 identify atomic symbols.
Curated OER
Basic Chemistry Review
Students experiment to show their knowledge of molecules and atomic structures. In this chemistry review activity students participate in an activity and then fill out a worksheet.
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Rusting: A Form of Oxidation
Students observe and record the corrosive nature of oxidation-reduction reactions, and determine the electro-chemical series of selected metals.
Curated OER
Properties of Ionic Compounds
In this compounds worksheet, students describe why metals and nonmetals form ionic compounds and why the formation of ionic compounds are exothermic. This worksheet has 5 short answer questions.
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Chemistry Lab: Solubility Product Constant of Sodium Chloride
In this solubility product constant of sodium chloride activity, students gather the equipment needed and follow the procedures to determine the solubility product constant of a solute and demonstrate precipitation of a common ion to a...
Curated OER
Balancing Chemical Equations
Ninth graders explain how atoms and molecules form different substances during chemical reactions and how these processes require losing, gaining or sharing electrons. They correctly write chemical formulas and show how a balanced...
Curated OER
Molecular Models Laboratory
Students use models to visualize molecular structures. Students read about Lewis dot structures, hybridization, and formal charge. Then students build and draw the molecules and ions given. Students complete 11 pre-lab questions and 4...
Curated OER
Acids and Bases in Water
In this acids and bases worksheet, students read about what happens when an acid or base is added to water. Students complete 6 short answer questions.
Curated OER
Acid, Base, or Salt?
In this acids and bases worksheet, students read about the differences between acids and bases and then complete a table comparing the characteristics of both. Then students determine if the given statements describe an acid, base, or...