Curated OER
Mixture Mayhem
In this mixture worksheet, students are given five mixtures and they determine if each is a mechanical mixture or a solution. They also identify the way each substance within the mixture can be separated from the others.
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Mixtures Lab
Students classify different mixtures. For this mixtures lesson plan, students determine samples to be suspensions, colloids, or solutions and compare homogeneous and heterogeneous mixtures.
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The Determination of the Presence of Reducing Sugars Using Fehling's Solution
Students investigate different fruits and vegetables for the presence of sugars. In this sugars and Fehling's solution lesson, students test the juice from an onion and a lemon for the presence of sugar by adding Fehling's solution and...
LABScI
Freezing Point Depression: Why Don’t Oceans Freeze?
Can you go ice fishing in the ocean? Learners examine the freezing point of different saltwater solutions. Each solution has a different concentration of salt. By comparing the freezing points graphically, they make conclusions about...
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What Are Mixtures And Solutions?
Students explore mixtures and solutions. In this chemistry lesson plan, students will add different ingredients to jars in order to classify them as mixtures or solutions. There is also a nail balancing activity that can be done at home.
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Solutions, Suspensions, and Colloids
In this solutions, suspension, and colloids worksheet, students answer questions as it relates to their reading information about solutions, suspensions, and colloids. Students observe different examples and complete a chart as they...
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Mixtures
In this mixtures activity, students fill in 7 blanks, determine if 4 statements are true or false, match 7 terms with the appropriate definitions, and solve 2 problems. These include topics such as homogeneous and heterogeneous mixtures,...
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Total Value, Mixture, and Motion Problems, Section 8.3
In this total value worksheet, students read short story problems and write equations to solve the problems. Stories involve formulas such as distance and mixture formulas. A total of 14 problems are available on this two-page worksheet.
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Separation of a Complex Mixture
Students develop a method to separate different types of mixtures. In this chemistry activity, students model the steps in the scientific method. They perform the experiment and analyze data.
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Solutions
In this solutions instructional activity, students calculate molality and mole fraction. Students define colligative property and determine what affects the solubility of gas in solvents. This instructional activity has 2 short answer...
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I'm All Mixed Up
Middle school scientists compare and contrast heterogeneous and homogeneous mixtures. They differentiate solutions, colloids, and suspensions by examining samples of each. Note that the bulk of the lesson plan directs you how to...
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Structure of Matter
Fifth graders, in groups, distinguish between mixtures, solutions and suspensions.
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Filter It!
Elementary schoolers who are learning about filtration and mixtures could use this worksheet to gain practice in filtering techniques. In it, they are asked how to manipulate a container in a way that would lead to properly filtering...
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Solutions
In this solutions worksheet, students calculate the pH of given solutions. Students determine the equation used to determine pH and the estimated pH for mixtures. This worksheet has 12 fill in the blank and 15 problems to solve.
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What is in the Water?
For this mixtures worksheet, high schoolers read about mixture and what determines if a solute dissolves in a solvent. They answer three questions about solutions and determine from a list of compounds which are soluble in water.
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Rainbow Lab
In this mixtures worksheet, students experiment with different amounts of solutes and solvents to make solutions. They observe color changes and look for chemical and physical changes in the test tubes. Students answer 5 questions and...
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Mixture Word Problems
In this algebra learning exercise, students solve word problems related to mixtures. They figure out cost per kg, concentration of chemicals and percent of mixtures. There are 12 problems with an answer key.
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Classification of Matter
In this classification of matter worksheet, students answer 5 questions about the composition of matter, solutions, colloids and suspensions, and the properties and changes of matter.
Teach Engineering
Chromatography Lab
Groups use alcohol and chromatography paper to separate the color components of black ink. The purpose of the activity is to allow the class to become aware that mixtures exist in hidden places.
Normal Community High School
Classification of Matter
Steel is an example of homogeneous mixture, also called an alloy, which is made of iron and carbon. The presentation introduces learners to elements, compounds, and mixtures. They explore their similarities and differences, and then take...
US Environmental Protection Agency
Role of Plants in Water Filtration
Investigate the amazing ability of plants to filter contaminants from water with this series of in-class demonstrations. After placing six small, potted plants in plastic cups, different solutions and mixtures are poured into them that...
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A “Salting” Solution
Ninth graders investigate the factors affecting solubility. In this chemistry lesson, 9th graders differentiate solvent and solute. They give examples of real world application of solutions.
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Math 121 - Mixture Problems
In this mixture problem worksheet, students read story problems, identify necessary information, and solve mixture problems using the mixture formula. This one-page worksheet contains ten problems. Answers are provided at the bottom of...
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Suspensions and solutions
Students create mixtures of baking soda, baking powder, flour, and more to predict which are solutions and which are suspensions. Students follow 4 directions and answer 3 questions.