Curated OER
The Need for Normality
High schoolers investigate the need for measuring concentrations in normality in titrations. In this titrations and normality lesson, students perform titrations and use different indicators to show they change colors at different pH...
Curated OER
Worksheet 2-2 Stoichiometric Tools
In this stoichiometry worksheet, students solve a variety of problems including finding empirical and molecular formulas, determining molarities of solutions, determining molecular weights of compounds and calculating the percent mass of...
Curated OER
Infectious Disease Detectives
Young scholars participate in a simulation of how diseases are transmitted. Each student holds a test tube, with only one containing the "disease" while the others have water. They move around the room until told to stop. Using...
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
Spectrophotometry Lab
Students use a machine called a spectrophotometer to determine how much light is absorbed by certain substances. Students record the absorbance and the % of light transmitted for different color solutions, graph their results, and then...
Cornell University
Electroplating
Silver pennies and copper nickels are made possible by applying some chemistry. Learners use electrolysis to coat a penny with zinc sulfate and a nickel with copper sulfate. Their investigation builds an understanding of electroplating...
Curated OER
Identification of Different Compounds and Substances
Students conduct a series of tests to identify unknown compounds. For this chemistry lesson, students compare the physical and chemical properties of substances. They collect data and formulate a conclusion.
Curated OER
Levers and Wedges in the Human Body
Young biologists identify parts of the body that serve as wedges (teeth and fingernails), and as levers (jaw, arms, and legs). The hands-on activities described here should be exciting for learners to perform, and should also lead to a...
Virginia Department of Education
Aspirin Analysis
Laughter may be the best medicine, but aspirin is also important. Young chemists analyze aspirin tablets using titration in this lab experiment. They then repeat the entire experiment using a different aspirin brand.
Kenan Fellows
Industrial Knowledge of Acids and Bases
Over a 10-year period, EPA regulations cost businesses less than $30 billion, while businesses saved over $82 billion. Scholars experiment with acids and bases to better understand the pH scale. Then they debate environmental regulation...
Curated OER
Levers and Wedges in the Human Body
Students identify the various parts of the body that serve as wedges and levers, identifying the fulcrum for each body lever. They bite into carrots and apples to analyze how their jaws and teeth work, then complete three worksheets that...
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.
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...
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.
Cornell University
Polymers: Making Silly Putty
Putty is proof that learning can be fun! Share the wonderful world of polymers with your class through an experiment. Young scientists create their own silly putty, then examine its properties.
Curated OER
Determination of Equivalent Weight of an Acid
In this chemistry worksheet, students look for the weight of acid and examine its mass using chemical equations and a laboratory procedure.
Curated OER
The "Clock Reaction" Kinetics Lab
High schoolers investigate the effects of temperature and concentration on the rate of reactions. In this "clock reaction" kinetics lesson plan, students change the concentration of one reactant and keep the second constant. An indicator...
Curated OER
Mini Rockets
Students explore gases. In this chemical energy lesson, students will observer chemical reactions and infer a conclusion about reaction producing gasses.
Curated OER
A Self Directed Inquiry into the Identification of Unknowns
Students gain experience in designing an experiment and use logic in selecting specific tests for unknowns. Students recognize the use of spreadsheets in helping one to make clear comparisons.
Curated OER
Thermodynamic Equilibrium Constants
In this chemistry worksheet, students examine the concept of thermodynamic equilibrium constants with intense detail. The application of the knowledge is practiced with problem solving.
Curated OER
Stoichiometry
Students research chemical formulas and balance chemical equations. In this chemical equations lesson students complete a class activity on chemical equations and answer questions.
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
Determination of the percentage of Acetic Acid in Vinegar
Students determine the concentration of acetic acid when the concentration of the base with which is titrated is known. They investigate how to weigh a sample using the balance, measure volumes using graduated cylinder, explore the...
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.