Curated OER
The Chemistry of Life
High schoolers study atoms and chemical compounds. They identify certain elements essential to human health, describe physical and chemical properties of water, and name four types of polymers unique to all life forms. They explain how...
Curated OER
Periodic Table of the Elements
First graders discuss, at their level, the concept of elements making up all matter. They discover the story of Dimitri Mendeleev and his discovery of the Periodic Table of the Elements. They locate and color some of the most common...
Curated OER
Melting and Freezing of Water
Students differentiate the three states of matter. In this chemistry lesson, students analyze graphs of heating and cooling curve of water. They complete a lab report and discuss results.
Curated OER
The Composition of Soil
In this composition of soil worksheet, students study the make-up of soil by identifying the amount of air in the soil, the amount of water in the soil, the size of the mineral grains in the soil and the proportion of humus in the soil....
Curated OER
Chemistry 1 Practice Exam
Thirty multiple-choice questions and their answers are provided in this resource. It was written for a general chemistry course and queries test takers on scientific notation, mixtures, chemical symbols, electric charges, Dalton's atomic...
Cornell University
Build a Fuel Cell
Discover the connection between redox reactions and fuel cells. Collaborative groups build a Hoffmann Apparatus that demonstrates the electrolysis of water and then convert their models into a fuel cell. They use their fuel cells to...
Concord Consortium
Dissolving
What happens to substances when they dissolve in water? Young scientists investigate the dissolving process with a colorful interactive. The resource illustrates changes in potential energy as solute particles interact with water...
Curated OER
Chemistry Module 5 - Specifications
While this resource does not provide problems for chemistry learners to solve, it outlines skills that they should have and concepts that they should grasp. Topics include thermodynamics, periodicity, redox equilibria, transition metals,...
Cornell University
Splitting Water with Electricity
Explore how electricity splits water molecules into hydrogen and oxygen. Learners begin by calculating the voltage necessary to separate the water. They then perform the experiment and measure the ratio of hydrogen and oxygen bubbles.
Creative Chemistry
A Test-Tube Study of Redox Reactions
Your chemistry class set up six different redox reactions in the lab. Inquisitors methodically test each one and eventually order them according to oxidizing strength. This is a neat way to have the learners perform more than one...
Curated OER
Summary of Organic Reaction Mechanisms Needed for AS Chemistry
Advanced chemistry courses typically cover organic reactions. On this reference sheet, the five types of organic reaction mechanisms are explained and an example is shown. For each, there is also a diagram of the chemical reaction...
Cornell University
Nano Interactions
Tiny particles can provide big learning opportunities! Middle school scientists explore the world of nanoparticles through reading, discussion, and experiment. Collaborative groups first apply nanotechnology to determine water...
Curated OER
Atmospheric Chemistry
If you need a comprehensive review of the development of Earth's atmosphere through the ages, then this is for you! The presentation starts with a introduction to theories of planet formation and initial distribution of isotopes in the...
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...
Teach Engineering
Measuring Surface Tension
How do you measure surface tension? The fifth installment of a nine-part series is an experiment where young scientists use tubes of different sizes to measure surface tension. They calculate the average and standard deviation of the...
Newspaper Association of America
Cereal Bowl Science and Other Investigations with the Newspaper
What do cereal, fog, and space shuttles have to do with newspapers? A collection of science investigations encourage critical thinking using connections to the various parts of the newspaper. Activities range from building origami seed...
Curated OER
Chemistry of Burning
Students look into the increase of carbon dioxide in the atmosphere. In this chemistry lesson, students look at the hydrocarbon molecule through a model and see what happens when energy is released. They watch as the water vapor leaves...
Mascil Project
Molecular Gastronomy - Science in the Kitchen
Some say cooking is an art—and a science! Scholars scope out the savory subject of molecular gastronomy with a series of related activities. The teacher's guide contains printable worksheets and helpful tips for implementing the lesson.
University of Georgia
Endothermic and Exothermic Reactions
Equip your chemistry class with the tools to properly understand endothermic and exothermic reactions. Young chemists collect, analyze, and graph data to determine how the Law of Conservation of Matter is applied to chemical...
Curated OER
Winter
Students explore the nature of water and water molecules. They examine the role of ice on organisms.
Curated OER
The Nature of Chemical Change: Acting Out an Example
Students identify the signs that a chemical reaction took place. In this chemistry lesson, students role play the movement of different molecules of matter. They classify matter according to their properties.
Curated OER
Fred the Fish -- A River Ran Wild
Students apply cause and effect relationships to water pollution in a stream. In this pollution lesson students recognize the importance of clean water in their daily lives. Students accompany "Fred the Fish" as he travels down stream....
Creative Chemistry
The Effect of Concentration Changes on Equilibrium
In this concentration changes and equilibrium worksheet, learners experiment with iron (III) ions and thiocyanate ions to observe the effects of concentration on the equilibrium of solutions. Students observe their mixtures, explain the...
Normal Community High School
Density
Change the density of water by adding minerals. The presentation discusses density—from the definition to calculations—and applies it to the real world. It briefly mentions specific gravity, and finishes by showing Archimedes'...