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Interactive
Royal Society of Chemistry

Hydroxide Precipitates

For Students 6th - 12th Standards
When two liquids combine and a solid forms, the new substance is called a precipitate. Scholars test their knowledge of hydroxide precipitates and their properties. A series of four increasingly difficult puzzles challenge their logic...
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Lesson Plan
Curated OER

Solubility Product of a Hydroxide

For Teachers 9th - 12th
High schoolers determine the solubility product constant and the concentration of a hydroxide. In this solubility product lesson plan, students use a solution of calcium hydroxide to neutralize a known concentration of hydrochloric acid....
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Lesson Plan
Curated OER

Fatty Acids For Soap Making

For Teachers 9th - 12th
Students titrate a sample of fatty acids with standardized sodium hydroxide solution. From the amount of base needed for neutralization and the mass of sample used for titration, the apparent average molar mass of the sample is...
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Lesson Plan
Curated OER

Lab: Reactions of Copper

For Teachers 9th - 12th
Learners perform a series of experiments on copper to produce a variety of copper compounds. In this chemical reactions of copper lesson plan, students use copper wire and nitric acid to produce copper nitrate. They then form a hydroxide...
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Organizer
Curated OER

How Soluble are Salts and Hydroxides in Cold Water?

For Students 9th - 12th
In this solubility worksheet, students are given a table showing the solubility of salts and hydroxides in cold water. The table shows which salts and hydroxides are soluble and which are insoluble.
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Interactive
Royal Society of Chemistry

Forensic Tests

For Students 6th - 12th Standards
Flame tests determine if there is a specific metal in a chemical compound. Young forensic scientists review their understanding of flame tests and hydroxide precipitates by solving puzzles. The timed review encourages mastery.
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Interactive
Chemistry Collective

Virtual Lab: Standardization of NaOH with a KHP solution: Acid Base Titration

For Students 9th - Higher Ed Standards
This is not your standard standardization lab! Take titration into the high-tech age with a simulated workbench. Learners perform titrations to standardize a sodium hydroxide solution using a KHP solution of unknown concentration....
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Lab Resource
Royal Society of Chemistry

A Microscale Acid-Base Titration

For Teachers 6th - 12th Standards
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...
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Activity
Royal Society of Chemistry

Some Reactions of Carbon Dioxide—Microscale Chemistry

For Teachers 6th - 12th Standards
Precipitation reactions are always interesting. How about one that forms a precipitate using a gas? Chemists of any age will enjoy this twist on a standard solubility lab. Partners observe the lack of interaction between sodium hydroxide...
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Assessment
Concord Consortium

Acid Test

For Students 9th - 12th Standards
This isn't your typical basic lesson—it's more acidic! Learners use pH information to determine the hydroxide ion concentration of different substances and then use these values to analyze information. The calculations require...
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Lesson Plan
Curated OER

Matter and Energy

For Teachers 9th - 12th
Does the change in energy of matter lead to a change in mass? Upcoming chemists compare the mass of equal-volume, but different-temperature liquids and materials both before and after a chemical reaction has occurred. In another...
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Lesson Plan
Curated OER

Identifying and Explaining Reactions

For Teachers 9th - 12th
Introduce high schoolers to chemical reactions with this series of activities. In a little over an hour, scientists observe four gas-producing reactions: the combination of hydrochloric acid and sodium hydroxide, placing pasta in...
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Lesson Plan
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Curated OER

The Periodic Table, Electrons, and Chemical Bonds

For Teachers 9th - 12th
Four activities immerse beginning chemists into the world of elements. They examine the periodic table, use cobalt hydroxide to learn about chemical formulae and valence electrons. Also, they name binary compounds and examine the...
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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...
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Lesson Plan
Curated OER

An Experiment in Alchemy: Copper to Silver to Gold

For Teachers 9th - 12th Standards
How exciting would it be for your chemistry class to produce their own "gold"? This experiment allows pupils to witness the chemical reaction of copper pennies as they react with zinc and sodium hydroxide to produce "gold" tokens. It is...
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Lesson Plan
Curated OER

Water Alchemy

For Teachers 9th - 12th
After reading "Aquatic Alchemy," an article about recapturing water for reuse when in space, your class will use calcium hydroxide or hydrated lime to purify cloudy water. Geared toward high school chemistry or environmental science...
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Lesson Plan
Curated OER

Acid-Base Titration

For Teachers 9th - 12th
Students determine the concentration of an acid using titration. In this acid-base titration lesson plan, students determine the concentration of an unknown hydrochloric acid solution using phenolphthalein as an indicator and a known...
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Lesson Plan
Curated OER

Cents-ible Chemistry-Analysis of the Metal in a Penny

For Teachers 9th - 11th
Students determine the base metals and surface metals in a penny. In this analysis of metals lesson plan, students determine the density of five pennies minted in different years. They use different chemicals such as hydrochloric acid,...
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Lesson Plan
Curated OER

Strong Acids and Bases

For Teachers 9th - 12th
A straight-forward exercise awaits your chemistry charges. Two pages provide plenty of room for them to calculate the pH of five solutions, determine the number of hydrogen and hydroxide ions, and solve problems dealing with solutions....
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Worksheet
Curated OER

Chemistry 12 pH Worksheet

For Students 9th - 12th
Emerging chemists find their calling as they calculate the concentration of hydronium and hydroxide ions and the pH and pOH for several solutions. In some cases, values are given, and in others, actual word problems are written out....
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Lesson Plan
Virginia Department of Education

The Ratio of Surface Area to Volume

For Teachers 9th - 12th Standards
Demonstrate the ratio of surface area to volume in your high school class by using phenolphthalein, gelatin, and an onion. Intrigue the class by leading a discussion on osmosis and diffusion, then making "scientific jello." Participants...
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Lesson Plan
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Beyond Benign

The Heat Is On

For Teachers 6th - 8th Standards
Explore an exothermic reaction with a quick lab investigation. The activity builds on the previous lessons by examining an ingredient in many shampoos. Scholars record temperature data as sodium hydroxide and water interact.
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Interactive
Royal Society of Chemistry

Everyday Chemicals (Ages 11-14)

For Students 6th - 12th Standards
Caustic soda helps break up clogs in drains in many homes. Scholars match 10 chemical names to their everyday names; for example, caustic soda is sodium hydroxide. Then, they complete three different grid puzzles practicing this skill.
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Worksheet
Curated OER

Solutions, soluble salts, weak acids, and electrolytes.

For Students 10th
Salts, solvents and hydroxides are listed and pupils will need to add information about a selection of electrolytes.  For a list of compounds, they indicate whether the solute particles will be ions or molecules and then the symbols or...

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