Curated OER
Rate Laws Quiz
In this rate laws worksheet, students solve four problems. They determine rates of reactions, they determine which rate laws is used, they determine the overall reaction order and they identify the rate of appearance and disappearance of...
Curated OER
Transition Metal Ions and Redox
In this transition metal ions and redox activity, students read about the formation of metal ions through oxidation and reduction.
Curated OER
Finding the Percent of Iron in Lawnsand
In this percent of iron in lawnsand worksheet, students perform a titration of lawnsand using potassium manganate (VII) solution and find the number of moles of iron in the sample. Students use the number of moles to find the mass of...
Curated OER
Oxidation of Ethanol to Ethanoic Acid
In this oxidation reaction worksheet, students covert ethanol to ethanoic acid using a condenser. Students test the smell of the final product, they add sodium carbonate and they test the product with indicator paper. They explain their...
Curated OER
Balancing Redox Reactions
In this redox reaction learning exercise, high schoolers perform a redox titration in order to determine the number of iodide ions which react with each mole of iodate (V) ions in a solution. Students calculate their answer using a...
Curated OER
The Reaction Between Magnesium and Hydrochloric Acid
In this rate of chemical reactions worksheet, students experiment with different concentrations and volumes of hydrochloric acid mixed with magnesium. They measure the rates of the reactions and analyze their results from a graph they...
Curated OER
Identifying Anions
In this anions worksheet, students are given a table showing 9 anions, the test that indicates the presence of each anion and what will be observed when each substance is added to the anion.
Curated OER
Chemical Equations
In this chemical equations worksheet, learners are given the trends for the reactions between the alkaline earth metals with water, the solubility of the Group II hydroxides and the solubility of the Group II sulphates.
Curated OER
How to identify a physical change from a chemical change
Students identify the difference between some physical and chemical properties and compare some physical and chemical changes. They design an experiment to distinguish between a physical or a chemical property of their choice.
Curated OER
Teaching Avogadro's Number
Learners design an experiment to determine Avogadro's number. Students utilize an ammeter, an electrolytic cell and internet research.
Curated OER
Colorful Milk of Magnesia
Students explore acids, bases, and indicators. They observe the various colors of an acid-base indicator solution and the neutralization of an acidic solution by an antacid.
Curated OER
Activity #5 Environmental Effects
Students explain the implications of particle theory of The Law of Conservation of Matter for problems of pollution and waste disposal. They describe, in terms of atoms and molecules, what happens to materials when they are dissolved or...
Curated OER
Chemical Reactions
In this chemical reactions activity, students calculate the molar mass and the rate of reaction for the given chemical reactions. This activity has 3 problems to solve.
Curated OER
Quality Control at Kality Krunchers Dill Pickle Factory
In a hypothetical scenario, food chemists use titration to concoct a brine solution for producing the crunchiest pickles. They also analyze store-bought pickle juices. In addition to reinforcing titration techniques, the lesson requires...
Curated OER
Chemical Consequences of Burning Fossil Fuels
Future scientists are introduced to the chemical consequences of burning fossil fuels, learning that fossil fuel combustion leads to the formation of oxides of three nonmetals: carbon, nitrogen, and sulfur, all of which end up in the...
Curated OER
Factors Which Affect Corrosion
Students investigate the factors which affect corrosion. For this corrosion lesson plan, students experiment with 2 nails, copper wire and magnesium ribbon placed in a petri dish of agar solution, potassium ferricyanate and an indicator....
Royal Society of Chemistry
A Microscale Acid-Base Titration
Watch as acids and bases put smiles on their faces. Young chemists learn the concept of acid-base titration firsthand in a microscale experiment. Working groups collaborate, titrate, then use their data to determine the concentration of...
National Nanotechnology Infrastructure Network
The Effects of Gold and Silver Nanoparticles on Brine Shrimp: A Toxicology Study
Who doesn't love gold and silver? Brine shrimp, that's who! Learners conduct an experimental lesson to monitor the toxicity of gold and silver nanoparticles on brine shrimp. They synthesize solutions to expose the brine shrimp to and...
Curated OER
Towers of the Lost City
Middle school marine scientists compare the pH change in distilled and saltwater as acetic acid is added one drop at a time. Then they compare the pH change in both when sodium hydroxide is added. This experiment demonstrates the...
Chymist
How Do We Affect the Quality of Our Atmosphere
Explore the makeup of the earth's atmosphere. Using the set of specific experiments, pupils examine the main elements and compounds present in the atmosphere. Their study extends to investigate the effects of atmospheric pollution such...
National Institute of Open Schooling
Electrochemistry
In an electrolytic cell, electrical energy is converted into chemical energy, the exact opposite of a battery! Lesson 15 in a series of 36 explores electrochemistry. Participants begin by reading and discussing oxidation/reduction...
National Nanotechnology Infrastructure Network
Can Small Pollutants Harm Aquatic Organisms?
Nanoparticles have toxic effects on plant and animal life—even though you can't see them. The second lesson of a two-part series has young scientists conduct an experiment that exposes plant and animals to nanoparticle pollutants. They...
Curated OER
Teaching Students How to Read the Protein Concentration in a Sample
Learners work together to identify proteins in different samples. They calculate the protein concentration in those samples as well. They complete discussion questions to end the lesson.
Curated OER
Activity #5 Soils-Permeability and Impurity Removal
Students predict which types of soils would work best for keeping contaminants contained. They comprehend that in the past, landfills have been one major source of groundwater contamination. Pupils comprehend that placing and building...