Concord Consortium
DIffusion and Molecular Mass
Does molecular mass affect the rate of diffusion? The simulation allows scholars to experiment with diffusion while varying the molecular mass and temperature. The timer automatically stops when a certain point is reached, making it easy...
Curated OER
Lamarck vs Darwin: Dueling Theories
Students, in groups, study cheetah, blind cave organisms, and naked mole rats to explain facets of evolution.
Curated OER
Titration and Molarity
Students investigate the concept of molarity and its relationship to the concentration of a solution. After mixing chemical solutions, they calculate how many moles of acid and base should be in each solution. They record their results...
Curated OER
Animal: Trace the Word
In this picture/word worksheet, students trace the names of 6 animals underneath a picture of each one: panda, rabbit, polar bear, skunk, mole and raccoon.
Curated OER
Find the Percent of Iron in Manganate (VII)
Dilute sulphuric acid is used to oxidize manganate (VII) into manganese (II) and water. Step-by-step procedures are outlined on the worksheet as well as calculations for junior chemists to perform in their science journals. This...
Curated OER
Chemical Equations and Reactions
Graphic organizers, photos, diagrams, and text bring the world of chemical reactions to life. By viewing this presentation, young chemists learn how to recognize when a chemical reaction has occurred, and how to balance chemical...
Curated OER
Comparing the Degree of Unsaturation of Margarine with that of Butter
Is butter better? In terms of saturation, young chemists find out! Using titration methods, they will compare the degree of unsaturation of butter with that of margarine. Knowing the unsaturation, they can make conclusions about the...
Curated OER
Comparing Theories: Lamarck and Darwin
Students compare the evolution theories of Lamarck and Darwin. They use self-assessment and a video to increase their knowledge of evolution theories. They research questions and present them to the class.
Curated OER
Classroom Guide for the Redwall Series
Students participate in cross-curricular activities and readings to become familiar with the works of Brian Jacques. In this heroes lesson, students discuss the character traits of legends and how their characters develop through events...
Curated OER
Catalytic Converter
Two animated slides explain the decomposition reactions that occurs within a catalytic converter. An enthalpy diagram is displayed. Hess's Law is demonstrated. Finally, the analogy of football is used to explain Hess's Law. This clever...
Curated OER
The Mathematics of Chemical Formulas
Wow! This is one of the most exhaustive presentations on finding chemical formulas that you will come across! Beginning with the basics, and leaving junior chemists with procedures and concrete examples, this PowerPoint certainly...
Kenan Fellows
Sensors in Chemistry
The Environmental Protection Agency monitors sensors to track air pollution and set clean air standards. Enthusiastic young scientists use similar sensors to gather data in their area and then apply the gas laws and conservation of...
Curated OER
WS 8.8 Molality and Colligative Properties
In this molality and colligative properties worksheet, students determine the molality of solutions and they calculate freezing point depressions and boiling point elevations of solutions.
Curated OER
Equilibrium Calculations
The equilibrium constant does not change — as long as the temperature remains unchanged. Here's presentation that briefly reviews equilibrium constants before working through four practice problems, including three calculating the Keq...
Net Texts
Hess's Law Worksheet
Challenge young scholars' understanding of thermochemistry with this skills-practice learning exercise on Hess's Law. Given a series of five multi-step chemical reactions, students must determine the overall change in entropy for each.
Virginia Department of Education
Molar Heat of Fusion for Water
How can you describe heat of fusion in a way the class understands and relates the importance of this concept to present day issues? In this third lesson of the series, learners conduct an experiment, demonstrating the flow of heat...
Curated OER
Ranking Molecular Properties Based Upon Intermolecular Forces
A splendid chart of information about chemical bonding tops the first page. In it you will find information on London forces, permanent dipoles, hydrogen bonds, ionic bonds, and covalent bonds. A four-step process for assigning...
Curated OER
Chemistry: Real Life Chemistry (for the Business World)
In this real life chemistry worksheet, high schoolers are given 4 conversion factors and they solve 7 problems using the given conversion factors. They find the number of "widgets" and "watzits" needed to complete a "system". They find...
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...
Science Geek
Percent Composition, Empirical and Molecular Formulas
Help your pupils understand when empirical becomes molecular. The lesson presentation demonstrates the connection between empirical formulas and molecular formulas. Then, given percent composition, the lesson demonstrates the steps to...
Science Geek
Thermochemical Calculations
Viewers learn where the heat goes when phase changes take place with a presentation that explains the latent heat of phase changes, or, more specifically, the molar heat of fusion, solidification, vaporization, and condensation. The show...
Curated OER
Fatty Acids For Soap Making
High schoolers titrate a sample of fatty acids with standardized sodium hydroxide solution. From the amount of base needed for neutralization and the mass of sample used for titration, the apparent average molar mass of the sample is...
Curated OER
Mass-Mass Relationships
High schoolers investigate mass-mass relationships using potassium carbonate and hydrochloric acid. For this mass-mass relationship lesson plan, students measure a certain amount of potassium carbonate and determine how much hydrochloric...
Curated OER
Mass-Mass Relationship
Learners investigate mass-mass relationships in the lab. In this mass-mass relationship lesson plan, students mix sodium carbonate with hydrochloric acid to produce sodium chloride, water and carbon dioxide. Learners use the amount of...
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