SRI International
Science of Water
Water is crucial to survival. Scholars gain an appreciation for water by reading about it, learning about its atomic properties, and investigating its properties through six stations in a lab activity.
Beyond Benign
Exothermic and Endothermic Reactions
How can you tell the difference between endothermic and exothermic reactions? Chemistry scholars perform and observe two chemical reactions, measure the temperature throughout, then draw conclusions about changes in energy from their...
K20 LEARN
The Attraction is REAL
How attractive is your intermolecular forces lesson plan? Draw your class in with an activity that includes research, presentation, and demonstrations. Chemistry scholars work together to create claims about the each intermolecular...
Curated OER
Power In Variety
Students discover different types of energy. In this energy source lesson plan students compare different types of energy, renewable and nonrenewable. Students answer questions about the different types of energy and their impact on the...
Curated OER
How is a REDOX Reaction Used to Power a Car?
High schoolers explore electrolysis and Redox reactions. In this exploratory lesson plan students demonstrate an example of electrolysis and how it brings on a chemical change.
Curated OER
Bleach Chemical Reactions
Pupils learn what happens when bleach comes in contact with various cloth fibers, chemical colors, nature and synthetics.
Curated OER
Life Processes and Water
Explain the properties of water. Identify the properties of water that make it a polar molecule Describe hydrogen bonds and how they differ from covalent bonds Discuss the differences between hard water and soft water Compare the heat of...
Curated OER
The Chemistry of Water
Students investigate the properties of water. In this chemistry of water lesson plan, students observe a demonstration of the properties of water using sand, sugar, oil, vinegar and salad dressing. Students experiment with water, pepper,...
Curated OER
Oxidation of Iron - An Example of a Combination Reaction
Here are photos and general instructions for demonstrating two oxidation reactions with your physical science beginners. They use salt and hydrogen peroxide to cause iron filings to rust, and they combine hydrogen peroxide with a piece...
Curated OER
Biology: Protein Study
Students in pairs, select and view proteins from the Protein Data Bank. After downloading the tutorial and instructions, they identify the protein's structures and primary biological functions. Then, students present their findings to...
Curated OER
Activity #19 Oxygen For Yeast
Students observe and record what occurs when yeast is added to hydrogen peroxide. They indicate why a chemical reaction (decompostion) must have occurred during the experiement. Pupils explain why yeast was used. Students comprehend the...
Curated OER
Stellar Fingerprints: the Spectra of Stars
Students explain how an element can be identified using emission spectra. They relate the emission spectrum of hydrogen to its absorption spectrum and identify hydrogen absorption lines in the spectrum of stars.
Curated OER
Lower the Trans and Increase the Omega-3s
Students identify the health risks associated with trans fats. In this adult health lesson, students examine food labels for hydrogenated oils content. They discuss the benefits and sources of omega-3s.
Curated OER
Enzyme Activity: An Inquiry Based Approach
Students explore biochemical reactions mediated by enzymes in an inquiry approach. They are given two questions about the types of living materials that contain the enzymes that break down hydrogen peroxide, and under what conditions the...
Curated OER
Atom and Eve
Young scholars research and define an atom using a concept map. They design and create a model of an atom, labelling all the parts, and write a journal entry.
Curated OER
Biocomplexity Lab Activity: Measuring Water pH
Students test unknown solutions for pH levels to determine which organism can live in each environment. They name three substances that they think are acids. Students determine a solution is an acid or base. They define the term pH.
Curated OER
Reaction Rates and Catalysis in Ethanol Production
Students investigate alternative catalysts for the degradation of hydrogen peroxide. In this fermentation lesson students complete an activity that breaks down cellulose into sugar.
Curated OER
Chemistry: The Case of the Sunken Ice Cube
Students examine a density demonstration involving ice cubes and beakers of water and alcohol. After observing how one ice cube floats in water and sinks in alcohol, they determine which mixture of the two would suspend the ice cube in...
Curated OER
Lesson- Radial Solution, Hydroggen Wavefunction
Student uses Schrodinger's equation applied to a single electron Hydrogen atom. They use angular and radial portions equation to answer questions. Student use a model to answer equation questions.
Curated OER
Magic Genie
Pupils observe the chemical change that occurs when sodium iodide is dropped into a flask containing 30% hydrogen peroxide. They discuss how this exothermic reaction occurred as they study the chemical equation involved in the reaction.
Curated OER
Thermometric Titration of an Unknown Acid
Students determine the number of ionizable hydrogen's in an unknown acid and determine the equivalent weight of an unknown acid. They determine the enthalpy change for the ionization of an unknown acid.
Curated OER
Cancer Warrior
Students perform an experiment to determine how different salt concentrations affect the liver's ability to break down toxic hydrogen peroxide. They record and average their data which is then graphed.
Curated OER
Colored H2 Balloon Explosions
Students perform an experiment in which they put different types of salts in a balloon, fill it with hydrogen gas, and ignite it. The electrons in the salt molecules are excited by the heat and release energy in the form of light. ...
Curated OER
Effect of Concentration of the Reactants
Students experiment to determine the effect of the frequency of collisions between atoms or ions of the reactants. They investigate the rate at which aluminum replaces hydrogen from a solution of hydrochloric acid.
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