Curated OER
Chemical Equations
In this chemical equations worksheet, students write mass balance equations and charge balance equations. Students write the system of equations to solve for solution concentrations at equilibrium. This worksheet has 21 problems to solve.
Curated OER
Chemical Solutions
In this chemical solutions worksheet, Students determine the significance of the critical point in a phase diagram and rank solutions from weakest to strongest solute-solvent interaction. This worksheet has 4 problems to solve.
Curated OER
Chemical Compounds
In this chemical compounds worksheet, students identify the types of intermolecular forces present in the given substances, calculate the heat required to convert a liquid to gas, and explain the ideal-gas law. This worksheet has 5...
Curated OER
Chemical Families Quiz
In this chemical families worksheet, students answer 8 multiple choice questions including identifying characteristics of families in the periodic table and answering specifics about each family.
Curated OER
Sample Midyear Examination (Chemistry and Biology)
A 12-page midterm exam sample can be given to young scientists in preparation for an exam. This particular installment is geared toward a class that delves into both ecology and chemistry concepts. There is no way to separate the 50...
Curated OER
Acids, The Basics: What are They and How Do We Name Them?
What acids are and how they are named are the main topics approached in this slide show. Explore the definitions and behavior of acids, along with directions for naming and writing reactions. The last slide has some practice...
Curated OER
Unit 8 Redox and Electrochemistry
Two topics are covered by this chemistry worksheet: redox reactions and electrochemistry. Thorough review notes are followed by a series of multiple choice questions about oxidation numbers, redox reactions, electrochemical cells, and...
Curated OER
You Are What You Eat: Chemical Residues and Consumers
Students determine how evidence gained from a simulated test for the presence of pesticide residues can be used to determine risk. They use peas to simulate pesticide residue testing.
Curated OER
Moles and Stoichiometry Practice Problems
Five practice stoichiometry problems plus their answers fill this chemistry worksheet. Because the answers are spread across the bottom of the page, this would best be used as your class is just learning how to perform mole and mass...
Curated OER
IB Chemistry Practice Test
In this chemistry review worksheet, students practice using Avogadro's number, calculating number of moles, and using the gas laws. This worksheet has 39 multiple choice questions.
Curated OER
Equilibrium Problems
In this equilibrium worksheet, students determine the equilibrium concentrations and the equilibrium constant for the given reactions. This worksheet has 5 problems to solve.
Curated OER
Acids and Bases
In this acids and bases worksheet, students review the characteristics of acids and bases, pK values, factors that change the rate of reactions, and catalysts. This worksheet has 17 multiple choice questions.
Curated OER
More Thermochemistry Problems
This two-page assignment covers basic thermochemistry concepts. Chemistry learners identify exothermic and endothermic processes, explain a phase change graph, and draw an energy level diagram. There are no problems to solve, just...
Curated OER
The Ideal Gas Law
For this gas law worksheet, students apply the Ideal Gas Law by determine the volume, mass, or pressure of the given gases. This worksheet has 5 problems to solve.
Curated OER
Binary Compounds
In this compounds activity, students write the oxidation numbers for the given elements and then write the formulas for the given binary compounds. This activity has 3 problems to solve.
Curated OER
Binary Compounds
Binary compounds are explained with the periodic table, atomic charges, and examples. Viewers are taught to name binary compounds and then are presented with a chart of cations and ions. Finally, they see a few photos of forms of silicon...
Cmassengale
Photosynthesis Diagrams Worksheet
Help young botanists get to the root of photosynthesis with this series of worksheets. By completing these diagrams, learners demonstrate their understanding of the biological structures and chemical reactions that make this...
Curated OER
Are Our Chemical Measurements Accurate or Precise?
What is the difference between accuracy and precision? This activity has students define the terms accuracy and precision, and compare bulleye diagrams to find examples of both. Students analyze given data and determine the accuracy and...
Curated OER
Pesticide Watch Card
Students examine human health by identifying dangerous pesticides. In this agriculture instructional activity, students research the food production system in the United States and discuss dangers such as pesticides, chemicals and...
Curated OER
The Transfer of Energy 2: Electrochemistry
Students study about electrochemistry by increasing their understanding of electron transfer and its role in chemical changes. They explain that energy appears in different forms. Heat energy is in the disorderly motion of molecules.
Curated OER
Blueprint Paper
Students investigate chemical reactions involved in making a blueprint. In this blueprint paper lesson plan, students expose blueprint paper with writing that has been soaked in a solution of potassium ferricyanide and iron (III)...
Curated OER
Close Encounters
Students investigate the cause of death of a fictitious school janitor. They develop hypotheses based on information discovered by examining the labels of household chemicals.
Curated OER
Creating Biodiesel and Mitigating Waste
Biotechnology pros produce their own biofuel using waste oil and fresh vegetable oil. They test the quality of their product using titration techniques and pH analysis. They write their observations and report their findings. Be aware...
Cornell University
Hydrophobic Surfaces—Deposition and Analysis
Couches, carpets, and even computer keyboards now advertise they are spill-resistant, but what does that mean? Scholars use physical and chemical methods to coat surfaces with thin films to test their hydrophobic properties. Then they...
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