Curated OER
Observing the Effect of a Change in Conditions on a System at Equilibrium by Applying Le Chatelier's Principle
Students describe the Le Chatelier Principle. They participate in an experiment in which they observe the changes in an equilibrium system. They answer discussion questions to end the instructional activity.
Curated OER
Chemical Formula Writing Worksheet
In this chemistry instructional activity, students practice forming the correct chemical equations for the twelve problems presented. The second page has the answers.
Curated OER
Writing Complete Equations Worksheet
In this chemistry learning exercise, students write in the correct equations in accordance to solving the word problems. The answers are on page 2.
Curated OER
Chemical Equations
In this chemical equations worksheet, students fill in the blank with information about how to form chemical equations using the "ide" rule and the "ate" rule.
Curated OER
Displacement Reactions and Acid/Base Reactions
In this chemical reactions worksheet, students review the solubility rules for common salts. Students determine the molecular equation, ionic equation, and net ionic equation for specific reactions. Students calculate moles and volume...
Curated OER
Salts
In this salts worksheet, students read how salts are created and how different acids make different salts. This worksheet has 1 graphic organizer and 7 short answer questions.
Curated OER
Identifying Anions
In this anions worksheet, students are given a table showing 9 anions, the test that indicates the presence of each anion and what will be observed when each substance is added to the anion.
Curated OER
Your Own Fresh Water Aquarium in the Classroom
Students explore aquariums. In this fish and ecosystems lessons, students establish a freshwater aquarium environment using materials provided. Students read about and care for the classroom fish.
Curated OER
Oxyanions
In this oxyanions worksheet, students identify the common polyatomic ions. They write formulas and name polyatomic ions based on IUPAC rules.
Curated OER
More on Temperature and Solubility
Students discover how temperature effects the solubility of solutes by experimenting with a range of temperatures. They develop skills for observing, inferring, measuring, comparing and contrasting.
Curated OER
Leaf - It's What's for Dinner
Students discover correlations in food preferences of invertebrates, and assess stream health through use of kicknets, invertebrate keys, CBL systems and probes.
Curated OER
Soil Microbiology- Nitrogen cycle
Students take a virtual trip to a Catfish Aquaculture Pond and analyze soil bacteria to determine how many nitrogen cycle bacteria are present. They graph the number of colonies present and use data to determine ammonium levels in the soil.
Curated OER
Chemistry And The Nitrogen Cycle
Pupils investigate the factors that compose the nitrogen cycle. The harmful effects of acid rain and ozone depletion are also discussed in the lesson plan. Students define the nutrient that is often limiting to plant growth through...
Curated OER
Activity #5 Environmental Effects
Students explain the implications of particle theory of The Law of Conservation of Matter for problems of pollution and waste disposal. They describe, in terms of atoms and molecules, what happens to materials when they are dissolved or...
Curated OER
Moles, Stoichiometry, and Concentration
In this stoichiometry worksheet, students practice calculating moles, molar mass, and percentage composition of given compounds. This worksheet has 55 problems to solve.
Curated OER
Reactivity Series Questions
In this reactions activity, students read about two types of reactions that take place between metals: displacement and competition. Then students answer 2 problems.
Curated OER
Making Ammonia - The Haber Process
In this fertilizer worksheet, students read background information about how farmers began using nitrogen compounds as fertilizer and how Fritz Haber came up with an efficient process. Students complete 10 short answer questions based on...
Curated OER
Chemistry - Naming and Formulas
In this compounds worksheet, students name the given compounds from its chemical formulas and write the chemical formula from the compound name. This worksheet has
Curated OER
Worksheet for Identifying Types of Acids and Bases
In this acid and base worksheet, students fill in a table with the type of acid or base and the symbol used in calculations. Types of acids and bases identified include strong acids, weak acids, strong bases, weak bases, Lewis acids, or...
Curated OER
Identifying Types of Acids and Bases #2
In this acid and base worksheet, students fill in a table given acids and bases and identify the type of acid or base it is and the symbol used in calculations.
Curated OER
Electrochemistry Problems
In this electrochemistry worksheet, students determine the voltage of a cell based on the reduction potentials. Students write a condensed cell diagram and the oxidation half reaction for the cell. This worksheet has 30 problems to solve.
Curated OER
Compound Names and Formulas
In this compounds worksheet, students 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 questions.
Curated OER
Chemical Reactions Quiz Review Sheet
In this chemical reactions worksheet, students balance an equation, determine the type of reaction, and write the net ionic equation. This worksheet has 5 problems to solve.
Curated OER
How Soluble are Salts and Hydroxides in Cold Water?
In this solubility worksheet, students are given a table showing the solubility of salts and hydroxides in cold water. The table shows which salts and hydroxides are soluble and which are insoluble.