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Law of Conservation of Momentum
A suggested sequence of events lays out five hands-on activities and four creative assessments on the conservation of momentum. Using spring scales and mail scales, junior physicists examine Newton's Third Law. After you have taught the...
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Newton's Second Law
Three memorable activities build on each other to give physics masters a firm grasp of Newton's Second Law. Pupils play with a lab cart on a flat surface and on an incline to confirm that force is equal to mass times acceleration. In the...
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2009 U.S. National Chemistry Olympiad National Exam - Part I
The 2009 version of the first part of a national chemistry competition is posted for your use with olympiad hopefuls. Test takers deal with 60 multiple choice questions covering an entire year of chemistry curriculum. Use this to...
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2009 U. S. National Chemistry Olympiad - Local Section Exam
Here is a copy of a past national challenge exam that you can use in your general chemistry course as a unit or semester review. Sixty multiple-choice questions query learners on properties of matter, stoichiometry, reactions, and...
Curated OER
Magnetism
This set of seven activities attracts physical science stars to concepts concerning magnetism. Pupils play with a lodestone, magnets, needles, and iron filings to understand magnetic forces, fields, and applications. If you are new to...
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Sun, Spectra, and Stars
Get ready to spark interest in electromagnetic radiation! This resource shares nine indelible inquiries that you can choose from to ignite understanding of spectra and the relationship between light and heat. The assessments that follow...
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Starlight
An introductory exploration of the nature of light is provided via activities and demonstrations. Science superstars observe various light sources, learn how to apply inverse square law, and practice using a light meter. Follow-up...
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Limiting Factors for Populations
The "Bottled Bacteria" activity instructions are a bit unclear, but the remaining activities investigating limiting factors in ecosystems are well-written. Learners model the exosystem of a bear and a herd of deer. They set up a...
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Oils and Plastic
Peruse the properties of polymers with your materials engineers, chemistry aces, or emerging ecologists. The inquiries in this resource include puncturing polyethylene plastic bags, dissolving polystyrene cups, creating a polymer ball...
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Oxidation
For an introductory physical class, you can use these vivid activities to introduce learners to chemical reactions. Spontaneous combustion, melting and burning, tarnishing and rusting all are evidence that a chemical reaction has...
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An Introduction to Acids and Bases
Investigating pH is intriguing, especially with these activities designed for an introductory chemistry or physical science class. Pupils use litmus paper to distinguish acids and bases and then make indicators from food products. They...
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Factors that Affect Reaction Rates
Collaborating chemistry pupils observe that temperatrue increases the movement of dye throughout water, stirring increases the dissolving rate of sugar cubes, and concentration of solutions increases the chemical reaction rates. These...
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Catalysts and Enzymes
Biochemists experiment with the oxothermic decomposition of hydrogen dioxide by adding manganese dioxide. They observe how pepsin enhances the action of acid on the digestion of egg white proteins. They use yeast to make bread rise. All...
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Classification Schemes
Junior biologists journey through the hiearchy of living things with these activites. Using a dichotomous key, they identify common algae, plants, and fish. They design their own key for a mixture of seeds and a collection of...
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Adaptations to Niches and Habitats
Life science learners measure and record traits of seeds, leaves, and their own hands and then graph the data to find a continous distribution curve. They compare and color diagrams of seven different animals' forelimbs (not included),...
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Fossil Formation
A fossil is worth a thousand words! Individuals craft their own amber fossil of an insect in addition to molds and casts of seashells. A third activity takes the lesson a notch higher: Learners measure stride lengths between tracks and...
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Solids, Liquids, and Gases
Not many lessons on states of matter can hold a candle to this one! Junior chemists gauge the density of paraffin in both liquid and solid phases. They fill 60 mL syringes with different materials to experiment with compressibility and...
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Topographic Maps
Your choice of hands-on topographic mapping tasks is provided in this resource. From actual map-making to viewing and interpreting stereographic photos, the activities are sure to succeed. To make the most of this lesson, you will need...
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The Gay '80s, '90s and '00s
After reading and discussing a news article from the New York Times regarding gay and lesbian issues of the last thirty years, students engage in several activities to explore current events. They create a timeline, either electronically...
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St. Patricks Day Lesson: The Real Story of St. Patrick
Fun St. Patrick's Day facts abound. The lesson plan tells the story of the most famous icons associated with the holiday: the shamrock, snakes, Celtic religion, Irish history, and St. Patrick himself.
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Teaching with Timelines
Students create illustrated timelines to accompany the historical events and people they have studied. In this chronological history instructional activity, students collaborate to create timelines that are enhanced with each new...
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Example of Convection
Compare the density of different salt solutions and then observe currents that are caused by the difference. Set up a demonstration of dynamic equilibrium. The intent with these activities is to begin building understanding of density...
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Construction of Food Chains and Tracing Energy Changes
If you need a few basic activities for teaching food chains to your emerging ecologists, here they are. Three sheets of organism cards are included for learners to cut out and arrange according to trophic relationships. To make the most...
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Trophic Pyramids and Levels
The bulk of this lesson involves the construction of both an aquatic and a terrestrial ecosystem in which to observe trophic relationships. Detailed directions are provided, as well as discussion questions, and assessment activities....