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Lesson Plan
Beyond Benign

Stoichiometry Challenge

For Teachers 9th - 12th Standards
Have you been searching for environmentally friendly chemistry experiments to use in your high school laboratory? This stoichiometry experiment replaces a conventional aluminum to alum lab by using sodium carbonate and calcium chloride...
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Activity
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American Chemical Society

The Fate of Calcium Carbonate

For Students K - 5th Standards
Soften up an egg. Learners use vinegar to test for calcium carbonate in an egg shell and an antacid tablet and compare the reaction with vinegar to the reaction with water. In a second experiment, class members break down an egg shell...
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Activity
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Howard Hughes Medical Institute

Ocean Acidification

For Teachers 6th - 12th Standards
Human impacts on the environment can sometimes be difficult to measure, especially under water! An activity centered on ocean acidification gives science scholars the opportunity to examine the effects of carbon dioxide on marine life....
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Interactive
Royal Society of Chemistry

Compounds Ending in 'ate'

For Students 6th - 12th Standards
Tackle polyatomic ions with Sudoku-like games! Nomenclature novices practice identifying the names and constituents of carbonate compounds with a series of puzzles. Scholars can use the resource online or as a worksheet, thanks to the...
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Lesson Plan
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NOAA

Ocean Acidification

For Teachers 9th - 12th
If tap water is more acidic than ocean water, why are we so concerned about ocean acidification? The third installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO) program focuses on carbon dioxide levels in...
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Lesson Plan
Curated OER

Chalk Chromatography

For Teachers 9th - 12th Standards
Your chemistry class is sure to love this experiment on column chromatography, as demonstrated with chalk sticks and felt tip markers. Pupils use sidewalk chalk (another inexpensive form of chalk stick) to demonstrate adsorption and the...
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Lesson Plan
Curated OER

Marine Habitats of Galveston Island

For Teachers 2nd - 5th
Four lessons introduce elementary ecologists to salt marsh and sandy beach habitats. In the first lesson, they place shells and other materials in vinegar to determine if they contain calcium carbonate. In the second lesson, they read a...
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Worksheet
Curated OER

Thermal Decomposition of Calcium Carbonate

For Students 9th - 12th
In this thermal decomposition of calcium carbonate learning exercise, students perform three experiments on calcium carbonate, make observations and write the equations for each reaction. Students explain in detail what happened at each...
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Worksheet
Curated OER

Stoichiometry Worksheet I

For Students 10th - 11th
For this chemistry worksheet, students explain how many moles of oxygen gas are needed to react with a certain number of moles of ammonia. They also identify how many grams of oxygen are needed to react with a certain number of grams of...
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Lesson Plan
Curated OER

Chemical or Physical?

For Teachers 4th
Fourth graders make observations of the reactions that happens between calcium carbonate and various liquids. During the experiment the students determine if there is a chemical change, a physical reaction, or no reaction when they mix...
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Worksheet
Curated OER

Limestone

For Students 10th - Higher Ed
In this limestone activity, students name three sources of calcium carbonate, write the chemical formula, and determine the three elements found in calcium carbonate. This activity has 7 short answer and 3 problems to solve.