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...
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Thermodynamic Equilibrium Constants
In this chemistry worksheet, students examine the concept of thermodynamic equilibrium constants with intense detail. The application of the knowledge is practiced with problem solving.
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Final Worksheet
In this chemistry activity, students complete 15 short answer questions and problems on empirical and molecular formula, naming and writing chemical formula of compounds.
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Chemistry: Acids and Alkalis
Students identify substances that are acids and alkalis. In this acids and alkalis instructional activity, students conduct tests to determine if given substances are acids or alkalis. They test substances and explain the different...
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Qualitative Analysis
In this qualitative analysis worksheet, learners read about all the different tests that can be done in chemistry to give qualitative results. Tests include flame tests, forming precipitates with sodium hydroxide, using sodium hydroxide...
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The Chemical Detective
In this chemical detectives worksheet, students perform 6 tests on various unknown solutions including a test for chloride ion, sulphate ions, carbonate ions, iron (III) ions, iron (II) ions and copper (II) ions. Students record their...
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Stoichiometry
In this stoichiometry learning exercise, students review definitions and equations associated with molarity, density, atomic mass, molarity, and dilutions. This learning exercise has 18 word problems.
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Rates of Reaction: Indigestion Remedies
In this reactions worksheet, learners compare the reaction of two different indigestion tablets with dilute hydrochloric acid and plot the results of loss of mass against time. Then students complete 5 short answer questions.
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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...
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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...
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Solubility
In this solubility worksheet, students calculate the final concentrations of the ions involved in a chemical mixture. Students calculate the solubility of different compounds. This worksheet has 13 problems to solve.
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DNA Fingerprinting through a Chemistry Lens
Students explore DNA and restriction enzymes using fragments of DNA separated by electrophoresis on an agarose gel. They analyze the results to see "whodunit".
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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.
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Acid Rain Simulation
Students collect data on causes of Acid Rain. In this science lesson, students simulate the effects that produce acid rain, collect and analyze data from their samples. They relate science and statistics in this lesson.
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A Simple Thermoetric Titration
In this thermometric titration worksheet, students investigate the changes in temperature when an alkali is neutralized by an acid. Students graph their results from the titration and draw 2 best fit lines on their graph. Where the lines...
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Volumetric Analysis 3-To Determine the Relative Molecular Mass of a Soluble Base
In this volumetric analysis worksheet, students determine the relative molecular mass of an unknown group 1 carbonate by experimenting with a known amount of hydrochloric acid. Students use volumetric analysis to determine the moles of...
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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...
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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...
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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.
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Kinetics Practice I key
In this kinetics worksheet, learners solve six problems mostly about reaction rates. Included is a problem where students calculate reaction rates of sucrose and water and plot the data of the reaction.
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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.
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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.
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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.
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Teaching Avogadro's Number
Learners design an experiment to determine Avogadro's number. Students utilize an ammeter, an electrolytic cell and internet research.