Curated OER
Condensation Polymerization: Preparation of Two Types of Polyesters
College-level or AP chemists use phthalic anhydride to synthesize two different polyesters, one linear and one cross-linked in structure. A detailed materials list and well-written procedures are provided on a lab sheet. Learners write...
Kenan Fellows
Isotopic Pennies
Many people confuse atomic mass and atomic numbers. The sixth of seven lessons in a unit requires scholars to find the weight of different groups of pennies. Then, they must solve how many of each type of penny exists in a closed system...
Curated OER
Chemical Reactions and Balancing Equations
Students perform various laboratory activities involving chemical reactions. They write balanced chemical equations for all reactions observed using computer software.
Curated OER
Hydrolysis
In this hydrolysis worksheet, students write dissociation equations for the given salts and determine if the salt is acidic, basic, or neutral. This worksheet has 6 fill in the blank questions and 4 problems to solve.
Curated OER
Environmental Chemistry
Eighth graders are introduced to the topic of Environmental Chemistry. In groups, they review the steps within the scientific method and develop their own hypothesis and design an experiment. They solve equations related to the...
Curated OER
The Visible Spectroscopy Expert Witness Problem
In a simulated crime science investigation, chemistry or physics sleuths use spectroscopy to analyze solutions. The lesson gives learners practice making salicylate solutions, using spectrophotometers, calculating dilution amounts,...
Curated OER
Addition Polymerization: Preparation of Polystyrene Using Two Types of Initiators
Advanced chemistry classes compare the polymerization of styrene using two different initators: benzoyl peroxide and aluminum chloride. Once they synthesize polystyrene, they compare the two producet for melting point and density. There...
Curated OER
Predicting the pH of Salt Solutions
A single page provides you with lecture notes for your instructional activity on hydrolysis. Introduce your chemistry class to Bronsted-Lowry theory by explaining the hydrolysis of acidic cations and basic anions. Show them how the...
Curated OER
Chemistry: Acids and Alkalis
Learners identify substances that are acids and alkalis. In this acids and alkalis lesson, students conduct tests to determine if given substances are acids or alkalis. They test substances and explain the different qualities that make...
Curated OER
The Chemistry of Coal
Students investigate the chemistry of coal. This lesson serves as a review of conservation of mass, simple reactions and equation balancing. During the lesson, students research chemical components of coal, as well as environmental...
Virginia Department of Education
Moles Lab Activities
Want my name and number? It's 6.0221415 times 10 to the 23rd, and my name is Avogadro. Providing nine different activities, experiments, and labs, this lesson keeps Avogadro relevant to your class all year long.
Curated OER
Lesson Plan with Technology - Introduction to Elements and Symbols
Middle schoolers use a computer program to study elements and the periodic table. They follow the directions on the computer program, and answer the questions presented. The program is self scoring, and students may print a certificate...
Curated OER
Graphing Data from the Chemistry Laboratory
Students graph and analyze data using a spreadsheet.
Curated OER
Ammonium Nitrate- Stoichiometry
Students quantify the relationship between moles and mass. They comprehend that ammonium nitrate is used as a fertilizer and an explosive. Students study the chemistry of ammonium nitrate and consider the advantages and disadvantages of...
Curated OER
Chemical Bonding
Eighth graders identify the three main types of chemical bonds. In this chemistry instructional activity, 8th graders draw Lewis dot diagrams of elements and determine the bond formed. They create a model water molecule.
Curated OER
Physical and Chemical Changes
Eighth graders distinguish between physical and chemical change. For this chemistry lesson, 8th graders observe a series of demonstrations showing physical and chemical changes. They identify the signs that a chemical reaction took place.
Cornell University
Predicting Chemical Reactions
Prove the Law of Conservation of Mass through a lab investigation. A well-designed instructional activity asks groups to combine materials and monitor indicators for chemical reactions. Measuring the mass of the reactants and products...
Curated OER
The Chemistry of Killer Coal
Students research chemical components of coal, as well as environmental health impacts of mining and burning coal. They discuss conservation of mass as it relates to combustion of organic compounds.
Curated OER
Anhydrides, Acid Rain and Titrations
In this chemical compounds worksheet, students determine is compounds will act as acids or bases when added to water. Students compare basic, acidic, and amphoteric anhydrides. This worksheet has 15 fill in the blank, 2 short answer...
Virginia Department of Education
Solution Concentrations
What happens when you combine 6.022 times 10 to the 23 piles of dirt into one? You make a mountain out of a mole hill. Scholars use dehydration to obtain percent composition and then calculate the molarity of the original solution.
Virginia Department of Education
Vapor Pressure and Colligative Properties
Hate to vacuum, but enjoy using a vacuum pump? Explore a lesson plan that starts with a demonstration of boiling water at various temperatures by using a vacuum pump. Then scholars design their own experiments to measure vapor pressure...
Virginia Department of Education
States of Matter
Scientists have been studying exothermic reactions before they were cool. The lesson begins with a discussion and a demonstration of heat curves. Scholars then determine the heat of fusion of ice and the heat needed to boil water through...
Virginia Department of Education
Molecular Model Building
During this hands-on activity, young chemists build molecular models based on the Lewis dot structure before studying valence shell electron pair repulsion theory.
Curated OER
Avoiding Carbon Dioxide Emissions from Burning Fossil Fuels
Students calculate stoichiometrically the amount of carbon dioxide that would be emitted from burning a mole of varios alkanes that comprise fossile fuels. If the energy released from burning a mole of these alkanes is known, then the...