Worksheet
Curated OER

What is a Chemical Reaction?-Evidence of Change

For Students 10th - 12th
In this chemical reactions worksheet, students experiment with hydrochloric acid and copper (I) chloride to identify the types of reactions they undergo with various other substances. They also observe the law of conservation of mass and...
Lesson Plan
Nuffield Foundation

Making a Calibration Curve for Starch Concentration

For Teachers 9th - 12th
How well can your class concentrate on solutions? Scholars use colorimeter absorption to explore a starch concentration calibration curve. They add iodine to different starch solutions to see how the concentration of the solution changes.
Lesson Plan
Curated OER

Spectrophotometer Determination of an Equilibrium Constant

For Teachers Higher Ed
Students determine an equilibrium constant using a spectrophotometer. In this equilibrium lesson plan, students calibrate a spectrophotometer with 5 solutions in order to prepare the spectrophotometer for the experiment. Students measure...
Lesson Plan
Curated OER

Bacterial Movement Through Water Part 2- Dilution/Powers of Ten

For Teachers 9th - 12th
Young scholars make dilutions using dulution trays. They keep track of their dilutions and the concentrations of solute, to parts per million (ppm) and parts per billion (ppb), in order to have an comprehension of the terms. Students...
Worksheet
Curated OER

Dilutions

For Students 10th - 12th
In this dilutions worksheet, students determine the molarity of given solutions and calculate the volume necessary to dilute a solution to a specific molarity. This worksheet has 5 problems to solve.
Worksheet
Curated OER

Matter in Solution

For Students 7th - 12th
In this solutions worksheet, students review types of solutions, concentration and saturation of solutions, and suspensions and colloids. This worksheet has 10 fill in the blank, 7 multiple choice, and 6 short answer questions.
Interactive
Royal Society of Chemistry

Halide Ion Tests

For Students 6th - 12th
Young chemists love it when colorful solid products appear in a reaction vessel! Scholars discover the products that form during halide ion tests through a hands-on activity. Users go online and apply chemistry knowledge and reasoning...
Worksheet
Curated OER

Reactions in Aqueous Solutions

For Students 10th - 12th
In this solutions worksheet, students calculate the molarity and solubility for given reactions. Students work on dilution, precipitation, and titration reactions. This worksheet has 15 problems to solve.
Lab Resource
Creative Chemistry

What is the Percentage of Copper in "Copper" Coins?

For Students 9th - 12th
Whether in the UK or the US, the mass of the copper in a copper alloy penny can be determined. If you are in the US, note that on the lab sheet, a penny is identified as a "1p piece." The penny is dissolved by young chemists in nitric...
Worksheet
Curated OER

Aqueous Solutions

For Students 5th - 8th
In this aqueous solutions worksheet, students will explore the characteristics of solutions, including the ability of different compounds to dissolve in the solutions. This worksheet has 10 true or false statements and 8 short answer...
Lesson Plan
Curated OER

Solubility of Ionic Substances

For Teachers 9th - Higher Ed
In this solubility worksheet, students identify substances as either ionic or molecular, define saturated solution and solubility, and calculate concentration of solutions. This worksheet has 7 short answer, 5 fill in the blank, and 27...
Worksheet
Curated OER

Solutions Review

For Students 10th - 12th
In this solutions worksheet, learners review the properties of solutions, the polarity of molecules, molarity, and solubility curves. This worksheet has 8 short answer questions and 15 problems to solve.
Worksheet
Curated OER

Acids, Bases and Salts

For Students 9th - 12th
In this acids, bases and salts activity, students solve five problems in order to determine the molarity of solutions or the volume of substances to be added to make molar solutions. They also solve five dilution problems about acids.
Lesson Plan
Curated OER

Is It Safe to Go In? Water Quality of Bathing Areas in the EU

For Teachers 6th - 8th
Using your senses, apprehend the effects of contaminants in water. With a global focus, young scientists conduct a safe experiment by tasting sugar and salt water with different dilutions. After reviewing threshold limits, learners write...
Worksheet
Curated OER

Chemistry Midterm Practice Exam

For Students 9th - 12th
A comprehensive practice exam, this resource covers many areas of chemistry. The test includes 71 multiple choice questions on topics such as problem solving, chemical equations, chemical formulas, thermodynamics, acids and bases, and...
Lesson Plan
National Nanotechnology Infrastructure Network

The Effects of Gold and Silver Nanoparticles on Brine Shrimp: A Toxicology Study

For Teachers 9th - Higher Ed
Who doesn't love gold and silver? Brine shrimp, that's who! Learners conduct an experimental activity to monitor the toxicity of gold and silver nanoparticles on brine shrimp. They synthesize solutions to expose the brine shrimp to and...
Worksheet
Curated OER

Dilutions Worksheet

For Students 10th - 12th
In this dilution worksheet, students determine the final concentrations of solutions after a specific amount of water has been added. This worksheet has 4 problems to solve.
Lab Resource
Pingry School

Acid-Base Indicators

For Students 9th - 12th
Acid-base indicators are an essential part of any chemistry classroom. Individuals explore the color-changing feature of the important indicators in a vibrant hands-on activity. Using serial dilution, learners create solutions ranging...
Lesson Plan
Curated OER

Summer Intern

For Teachers 9th - 12th Standards
Your young apprentices build a function describing the percent concentration of salt in a brine. The rational function is then related to the parent function, y= 1/x, and graphed. Finally, the apprentices predict the amount of fresh...
Lab Resource
Creative Chemistry

Oxidation of Ethanol to Ethanal

For Students 9th - 12th
Here is a laboratory exercise in which chemistry masters conduct an oxidation reaction to change ethanol into ethanal. They compare the original alcohol to the resulting aldehyde by forming a precipitate. This activity is aimed at...
Lab Resource
Pingry School

Solubility Product of an Ionic Compound

For Students 9th - 12th Standards
How do scientists determine when a solution is fully saturated? Scholars address the topic as they observe patterns of precipitation in various concentrations of ions. Using a well plate, pipette, and common chemicals, they collect data...
Lesson Plan
Curated OER

Towers of the Lost City

For Teachers 7th - 8th
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...
Lesson Plan
Curated OER

Determination of the solubility product of silver(I) chloride

For Teachers 10th - 12th
In this chemistry worksheet, students examine the concept of solubility of silver chloride. The sheet has in depth concept and laboratory instructions.
Lesson Plan
Curated OER

Is Dilution the Solution to Pollution?

For Teachers 6th - 8th
Students explore the different types of pollution. they conduct experiments using dye mixed with tap water to measure the levels of dilution. They discuss at what point the dye (pollution) would be diluted enough to be safe to drink.