Curated OER
Limiting Reagents and Percent Yield Problems
Twelve questions about the various calculations of mass and yield are given here. There is significant practice of molarity calculations and consideration of the reactant and product balance.
Curated OER
Excess Reactant
Junior chemists discover how to calculate excess reactants, handle limiting reactants, and determine percent yield. After background information is provided, step-by-step examples are solved. You can use this detailed slide show to teach...
Curated OER
The Effects of Photosynthesis on Plant Growth
Students examine the process of photosynthesis; its products and reactants, and the sequence of the process. They diagram the light reactions, record observations of plants, and discuss how difficult it is to measure plant growth as it...
Curated OER
What Should I Know About Photosynthesis
This four-page handout would work great as a reading guide or note-taking resource for teens learning about ATP, photosynthesis, the key scientists in the realm of photosynthesis, and more. It is designed to accompany a certain textbook,...
Curated OER
9th Grade
Ninth graders discuss the principal source of energy entering the marine ecosystem. They name some of the autotrophs at the Maui Ocean Center. Students name some of the heterotrophs at Maui Ocean Center. They are taught that plants are...
Curated OER
AP Chemistry: Acid-Base Worksheet
In this acid-base activity, students solve multiple problems related to reactions of acids and bases. They determine pH of solutions, they find conjugate acids and bases, they calculate concentrations of acids and bases and they write...
Curated OER
WS 10.1 Solubility Product
In this solubility worksheet, students find the solubility product constants for four compounds and use solubility product constants to determine solubility data of four compounds.
Curated OER
Limestone Reactions
In this limestone reactions worksheet, students read about the various types of limestone reactions and complete a diagram of deposits in a cave. They answer two questions about limestone reactions.
Curated OER
Unit Conversion in Chemistry
Hopefully by the time high schoolers are enrolled in your chemistry class, they are skilled with unit conversion. It does not hurt, however, to take an hour early in the school year to review this vital skill. This plan simply provides a...
Curated OER
Reaction Types Worksheet
In this reaction types worksheet, students complete a graphic organizer by determining what type of reaction is shown in the example given.
Curated OER
Percent Mass, Moles, and Avogadro Worksheet
In this moles worksheet students complete a set of calculations to find how many atoms and moles are in different substances.
Curated OER
Enzymes Help Us Digest Food ~ Introduction to Sugars and Enzymes
After an explanatory introduction to sugars and enzyme activity, biochemists discover whether lactase is needed to digest lactose, sucrose, and milk as a whole. High school science lab skills are required for these investigations.
Virginia Department of Education
Charles’ Law
Searching for a relatively interesting way to demonstrate Charles' Law? Here is a lesson in which pupils heat air inside a flask and then cool the flask to quickly cool the air. They make observations about what occurs during the...
Virginia Department of Education
Equilibrium and Le Chatelier’s Principle
The best part of learning about equilibrium is that nothing changes. Young chemists observe four demonstrations during this lesson: equilibrium in a saturated solution, equilibrium with an acid-base indicator, equilibrium with cobalt...
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
Condensation Polymerization: Preparation of Nylon 6/6
Students participate in a lab activity in which they synthesize nylon 6/6, calculate the percent yield by mass, identify the polymer as thermoplastic or thermoset, and determine the melting point, density and end-product use of the polymer.
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.
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.
Curated OER
Analytical Problem Solving
Students explore about propagation of error in calculations using experimental data. They develop their weighing and pipetting techniques. Students explore the following terms: Standard deviation and relative standard deviatin. They...
Pingry School
Synthesis of an Insoluble Ionic Salt: A Stoichiometry Experiment
Challenge young scientists to design their own experimental procedures. They write the procedure for properly preparing two grams of a water-insoluble ionic salt. To finish, they perform the experiment and collect data to prove their...
Virginia Department of Education
Vapor Pressure and Colligative Properties
Hate to vacuum, but enjoy using a vacuum pump? Explore a lesson 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 and...
Virginia Department of Education
States of Matter
Scientists have been studying exothermic reactions before they were cool. The lesson plan begins with a discussion and a demonstration of heat curves. Scholars then determine the heat of fusion of ice and the heat needed...
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.
Virginia Department of Education
Laboratory Safety and Skills
Avoiding lab safety rules will not give you super powers. The lesson plan opens with a demonstration of not following safety rules. Then, young chemists practice their lab safety while finding the mass of each item in a mixture and...
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