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Activity
Curated OER

Sore Throats, Variation 1

For Teachers 6th - 8th Standards
Why does Nia's water taste saltier than Trey's if she put more into her cup than he did? Math masters set up proportions in order to compare the mixtures. This task effectively has learners apply the concepts of ratio and proportion to a...
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Lesson Plan
University of Georgia

What's So Special about Bottled Drinking Water?

For Teachers 9th - 12th Standards
Is artesian water designed to be better, or is it just from wells similar to those in the city of Artesium? This experiment looks at many different types of bottled waters, including artesian. Using a soap mixture, scholars test to see...
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Lesson Plan
Curated OER

Lab: Percent of Composition of KClO3

For Teachers 9th - 12th
Students find the percent of oxygen in potassium chlorate. In this percent composition lesson plan, students heat a solution of potassium chlorate using a catalyst, manganese dioxide, to decompose the potassium chlorate and release...
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Activity
1
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American Chemical Society

Dissolving M-and-Ms

For Students K - 5th
Learning ... how sweet it is! A hands-on lesson uses colored candies to demonstrate how positive and negative charges interact. Pupils use different types of liquids and watch as the color from the candies spreads—or doesn't. 
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Worksheet
Curated OER

Making Soap

For Students 9th - 12th
In this soap worksheet, students produce soap in the laboratory and test their product by washing away engine oil with their soap. Students answer four questions about tests they perform on their soap.
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Lesson Plan
Curated OER

In the Mix

For Teachers K - 2nd
Students construct a water filter. In this engineering lesson, students discover how to construct a water filtration system. Students work in groups to sort tools by their properties. Students analyze and construct a water filtration...
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Lesson Plan
Curated OER

Chromatography - Chemical Separation of Colors

For Teachers 3rd
Third graders use the scientific method as they separate the colors used in ink. In this chromatography lesson, the teacher introduces students to how chromatography is used in several careers, then students perform an experiment to see...
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Lesson Plan
Curated OER

Crystals

For Teachers 4th
Fourth graders use mucilage glue and magnesium sulfate to make crystals. They mix the ingredients, place a drop on a glass slide and observe the forming crystals.
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Lesson Plan
Curated OER

Programming the "Rinse Robot"

For Teachers 9th - Higher Ed
Experienced chemistry technicians use then layer chromatography to discover how much of a free compound is left after each rinse cycle. Where this could obviously be used as a practice with chromatography technique, it can also be used...
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Worksheet
Curated OER

Weighted Averages

For Students 8th - 11th Standards
Weighted averages can be tricky to explain! However, this study guide makes it easy for teachers by including definitions, explanations, and breaking down problems into three steps. Includes mixture problems and uniform motion problems.
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Lesson Plan
Curated OER

Fatty Acids For Soap Making

For Teachers 9th - 12th
High schoolers 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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Worksheet
Curated OER

WS 8.4 Percentage Problems

For Students 10th - 12th
In this percentage instructional activity, students calculate percentages given various types of problems. They calculate percent of compounds in a solution, they calculate mass of compounds given percentages of solutions, and they...
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Lesson Plan
Virginia Department of Education

Macromolecules

For Teachers 9th - 12th
Finally, a chance for the class to play with their food! Allow pupils to simulate stomach acid with common foods, and introduce specific macromolecules into the mixture to explore characteristics of carbohydrates, lipids, and proteins....
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Lesson Plan
Curated OER

Water Quality and Environmental Pollution

For Teachers 5th - 8th
Learners use litmus paper to begin to discover the qualities of acids and bases. They learn about pH by testing clear liquids for acidity with purple cabbage juice as an indicator. The video Streamkeeper, with Bill Nye, and other video...
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Lesson Plan
1
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Teach Engineering

Understanding Elements

For Teachers 5th - 7th
Nothing says organization quite like a table. The third lesson in a six-part Mixtures and Solutions unit teaches young scientists about elements and the periodic table. They learn how the periodic table is organized and about the...
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Lesson Plan
EngageNY

Comparing Ratios Using Ratio Tables

For Teachers 6th Standards
Decide which concentration of mixtures is the strongest. Pupils use tables to compare ratios involved in mixtures. They use two methods to make the comparisons — by finding equivalent values within the tables or by comparing the values...
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Activity
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Teach Engineering

Surface Tension Lab

For Teachers 10th - 12th Standards
What constitutes a good soap bubble? In the second installment of a nine-part series, scholars apply their understanding of surface tension to soap bubbles. They experiment to determine the best solutions to use for the...
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Lesson Plan
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Sunlight Cal-Tech

Chromatography of Plant Pigments

For Students 9th - 12th Standards
Through a hands-on activity, an acetone-spinach solution is pre-made and learners use this solution to separate the pigments found in spinach using chromatography. The comprehensive resource includes an analysis and conclusion questions.
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Lesson Plan
Curated OER

What is pH?

For Teachers 6th - 10th
Students describe pH and the importance of it in the natural world.  In this Biology lesson students compare the pH of different mixtures.
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Worksheet
Curated OER

Elements Compounds and Mixtures

For Students 6th - 8th
In this science worksheet, students apply science basic knowledge of chemistry to the puzzles that are listed for the four parts of the sheet while focusing upon the identification of a metalloid.
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Lesson Plan
Curated OER

A Solution for Moles

For Teachers 10th - 12th
Students calculate the concentration of different solutions. In this chemistry lesson, students explain what a solution is. They explain ways to change the concentration of a solution.
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Lesson Plan
Curated OER

Mixtures as Solutions or Colloids and the Tyndall Effect

For Teachers 6th - 12th
Students classify mixtures as solution or colloids by virtue of the Tyndall Effect. They make a cone and tape to fit over the lens of the flashlight. They turn out the lights in the room and shine the flash light at each of the jars and...
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Lesson Plan
Curated OER

SEPARATION OF A STARCH-GLUCOSE MIXTURE USING GEL FILTRATION

For Teachers 9th - 12th
Students make a starch-glucose solution and pour it through gel in order to separate the starch from the glucose. They examine how starch is a larger molecule than glucose and test for the presence of these substances using other...
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Worksheet
Curated OER

What is a Solution?

For Students 9th - 12th
In this solutions worksheet, students read about how people first learned to use metals and to combine metals to form alloys. Students write an essay telling the story of how ancient people first learned to cause physical changes in metal.

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