Curated OER
Moles Lab Activities
General chemistry class members engage in a mini-unit on mole conversions. Through nine lab activites with varying degrees of difficulty, they practice measuring mass and volume, molar calculations, and stoichiometry. Terrific teacher...
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.
Hazardous Waste Management Program
Molar Mass Determination from Freezing Point Depression
Let the data tell the story. A lab activity has pupils collect temperature data on solutes as they melt and freeze. They use their data to create a cooling curve and then calculate the molar mass using the freezing point depression.
Beyond Benign
Enthalpy of Combustion
Learn the facts about types of wax! Partnered pupils determine the enthalpy of combustion for traditional paraffin candles, as well as soy-based candles. The activity focuses on calculations and compares the environmental impact of both...
Cornell University
Predicting Chemical Reactions
Prove the Law of Conservation of Mass through a lab investigation. A well-designed lesson asks groups to combine materials and monitor indicators for chemical reactions. Measuring the mass of the reactants and products allows individuals...
Virginia Department of Education
Acid-Base Theory
Litmus paper, why so blue? A chemistry lesson includes a pre-lab activity, practice calculating pH, an experiment measuring the pH in acids and bases, a titration demonstration, and a titration experiment.
Curated OER
Determine the molarity of an unknown HCl solution
Young scholars complete a lab to help develop a comprehension of stiochiometry. They review equation writing, equation balancing, and stiochiometry. Studnets are given the following information: Sloppy students from the previous class...
Santa Monica College
The Composition of Potassium Chlorate
The third lesson in a series of 11 begins by using thermal decomposition of potassium chlorate to determine the mass percent of oxygen. Then a second activity allows scholars to demonstrate that the resulting residue is from a...
LABScI
Freezing Point Depression: Why Don’t Oceans Freeze?
Can you go ice fishing in the ocean? Learners examine the freezing point of different saltwater solutions. Each solution has a different concentration of salt. By comparing the freezing points graphically, they make conclusions about...
Virginia Department of Education
Heat Transfer and Heat Capacity
It's time to increase the heat! Young chemists demonstrate heat transfer and heat capacity in an activity-packed lab, showing the transitions between solid, liquid, and gaseous phases of materials. Individuals plot data as the changes...
Curated OER
Melting Ice is Hot Stuff!
Fourth graders determine the amount of energy required to melt ice using a calorimeter. They calculate the Molar Heat of Fusion of Ice.
Curated OER
Molar Ratio
Students conduct an experiment in which they react sodium bicarbonate with hydrochloric acid to determine the molar ration between the two reactants. Students must write correct formula and a balanced chemical equation and explain how...
Virginia Department of Education
Partial Pressure
At some point, everyone has been under pressure—even Dalton! Explore Dalton's law of partial pressures with young chemists as they measure the volume of air extracted from a sample compared to its original volume. Class members perform...
Curated OER
Mining an Ore
High schoolers investigate how to determine the percent composition of a mineral in an ore. In this mining an ore lesson plan, students use chocolate chips cookies to represent an ore and they remove precious minerals (the chocolate...
Curated OER
Understanding the Mole
Learners develop an understanding of the mole and molar masses of elements. In this mole lesson plan, students use beans to find their relative masses and draw parallels to the atomic masses of elements. Learners work in teams and each...
Virginia Department of Education
Structure and Function of Cell Membranes
Lead your high school class on an exploration inside the cell. Individuals investigate the relationships between cells structure and function given their relative locations on the cell membrane. They explore the concept of homeostasis...
Curated OER
Mathematical and Chemical Relationships of Stoichiometric Problems
Students review key words used in stoichiometry such as mole, molar mass, Avogadro's number, and mass - mole relationships. They participate in a series of small experiments to explore solving stoichiometry problems in the laboratory.
Curated OER
Laboratory: Hydrated Salts
In this hydrated salt worksheet, students answer questions after completing a lab experiment using a hydrated salt. The calculate the empirical formula for the hydrate, they name the hydrate and they determine the mass of the water in...
Kenan Fellows
Reaction Stoichiometry—How Can We Make Chalk?
What is a reasonable percent yield in the manufacturing process? Scholars develop a process for producing chalk in the third lesson of a six-part series. Then, they must determine the theoretical and percent yield. Discussions about...
Curated OER
PH of Acids
Students prepare a solution and relate the concentration to pH. In this investigative lesson students complete a lab then in groups complete several activities.
Curated OER
Electroplating for Corrosion Protection: Redox in Action
Students define what a redox reaction is. In this chemistry activity, students electroplate some wires in the lab. They research the application of electroplating in the real world.
Curated OER
Determination of An Acid Dissociation
In this chemistry worksheet, students examine the given concept in order to apply in the laboratory setting. The sheet includes in depth background information.
Curated OER
Determination of the solubility product of silver(I) chloride
For this chemistry worksheet, students examine the concept of solubility of silver chloride. The sheet has in depth concept and laboratory instructions.
Curated OER
Heterogeneous Equilibrium: Measurement of a Partition Coefficient
In this chemistry worksheet, students examine a concept in science and then use the knowledge in application by conducting an experiment.