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Unit Plan
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Echoes & Reflections

The "Final Solution"

For Teachers 6th - 12th Standards
Nazi policies shifted from deportation and imprisonment to extermination of the Jewish people in death camps in the "Final Solution." Learners examine photos of artifacts, read poetry written by survivors, analyze testimony from...
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Lesson Plan
Curated OER

Recognition and Classification of Mixtures

For Teachers 9th - 12th
Immerse your chemistry class in solutions! They melt and compare the mixtures that make up margarine, separate black ink into its component colors, distill ocean saltwater, and practice chromatography with plant pigments. There are eight...
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Assessment
Curated OER

2008 U.S. National Chemistry Olympiad Part III

For Students 9th - 12th
In this chemistry olympiad lab worksheet, chemists are required to design two experiments. In one, they design an experiment to identify seven solutions given to them in pipettes. In the other, they design an experiment to determine the...
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Worksheet
Curated OER

Diffusion across a Selectively Permeable Membrane

For Students 7th - Higher Ed
Lab groups fill a section of dialysis tubing with glucose and starch solutions and suspend it in a water bath. They use iodine as a starch indicator and a glucose test strip to find out if either of the materials crossed the selectively...
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Lesson Plan
Baylor College

What Is a One Part Per Million Solution?

For Teachers 3rd - 5th
Water may appear to be crystal clear, but there could be dissolved substances present. Lab groups make a one-part-per-million of a food coloring solution to demonstrate this concept. As part of an outstanding unit about water, this...
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Worksheet
Curated OER

Word Problem Solutions

For Students 6th - 7th
In this word problem solutions learning exercise, students solve and complete 5 different problems that include solving various types of word problems. First, they calculate the total cost and cost per students for the table shown. Then,...
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Interactive
Royal Society of Chemistry

Concentration of Solutions 2

For Students 6th - 12th
Challenging and interactive—everything you need in a resource! Chemistry scholars manipulate a series of puzzles focused on molarity. The teacher's guide provides support for implementing the lesson, as well as printable materials.
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Lesson Plan
NPR

Prototype the Solution

For Teachers 6th - 8th Standards
It's always nice to see what the solution looks like. Groups build a prototype of their solution to the plastics problem in the sixth installment of a 10-part unit. The prototypes can be either a visual prototype or a working prototype.
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Interactive
Concord Consortium

Dissolving

For Students 6th - 12th Standards
What happens to substances when they dissolve in water? Young scientists investigate the dissolving process with a colorful interactive. The resource illustrates changes in potential energy as solute particles interact with water...
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Instructional Video15:58
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Flipped Math

Radical Equations

For Students 9th - 12th Standards
There might be an extra solution. Pupils discover that the process of solving a radical equation is the same general process of solving any equation. They find out that in some instances, an extraneous solution occurs. Individuals then...
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Worksheet
Curated OER

pH of Solutions

For Students 7th - 11th
In this pH worksheet, students describe the pH scale and explain the initials "pH." Students classify solutions as acidic, neutral, or basic. Students name compounds as acids or bases. This worksheet has 3 short answer questions and 5...
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Lesson Plan
Curated OER

Retelling Problems and Solutions in Chronological Order

For Teachers 1st
First graders discover how to retell problems and solutions in a story in chronological order. In this chronological order lesson, 1st graders use graphic organizers to record information. Students then use this information to sequence...
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Interactive
Chemistry Collective

Virtual Lab: Determining the pKa and Concentration Ratio of a Protein in Solution

For Students 9th - Higher Ed Standards
It's pretty common to determine the dissociation constant for an acid or a base ... but, what about a protein? Challenge your class with a virtual lab designed to further develop their acid-base chemistry skills. Individuals determine...
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PPT
Mr. E. Science

Acids, Bases and Solutions

For Students 7th - 8th Standards
If you are not part of the solution, then you are part of the precipitate. The presentation covers solutions, suspensions, solubility, dissociation, and acid/base reactions. This is the 19th lesson in a series of 26.
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Lesson Plan
American Chemical Society

Comparing the Amount of Acid in Different Solutions

For Teachers 3rd - 8th
Upcoming chemists use chemical reactions to determine relative pH in two different acids. This is a terrific lesson plan for middle schoolers that can stand alone as a practice in precision and lab skills, or as part of the unit on...
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Lesson Plan
National Wildlife Federation

Climate Solutions – A Call to Action!

For Teachers 9th - 12th Standards
The final lesson in the 21-part series on climate change focuses on energy solutions to the consumption problem. Using data specific to their school, pupils make recommendations, follow up on actions, and carefully track progress....
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Worksheet
Curated OER

Chapter 15 Review/Acid-Base Titration and pH

For Students 9th - 12th
Chemistry stars calculate ion concentrations, pOH, or pH in different solutions. For questions in the latter half of the worksheet, they also have to explain why a solution is acidic, basic, or neutral and solve for molarity of a solute....
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Worksheet
Curated OER

Molarity

For Students 10th - 11th
In this molarity instructional activity, students determine the concentration or molarity for each of the solutions. Students manipulate the molarity formula to calculate the moles, mass, or volume of each problem.
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Lesson Plan
Curated OER

Does 1 + 1 always = 2

For Teachers 4th - 5th
What a great way to explore the scientific process! Learners conduct an experiment in which they use sugar and water to illustrate the concept of solutes and solvents. With this hands on approach, they are bound to remember what they...
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Worksheet
Curated OER

All Mixed Up!

For Students 3rd - 4th
What happens when solids are added to liquids? After reading an informative paragraph about solutions, learners answer six true/false questions regarding solutions, and what substances will dissolve into liquids they are mixed with. A...
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Worksheet
Curated OER

Solving Rational Equations 1

For Students 8th - 9th
For this Algebra I worksheet, students solve rational equations that may have extraneous solutions.  The worksheet is two pages and contains twenty problems.  Answer key is provided. 
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Worksheet
Curated OER

Rational Equations

For Students Higher Ed
In this college level mathematics worksheet, students solve rational equations and identify the extraneous solutions.  The two page worksheet contains fifty-eight problems.  Answers are included. 
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Lesson Plan
Curated OER

Determining Solutions to a Problem - Fire Cloud

For Teachers 4th - 6th
Students watch a video of a fire and determine solutions to the problem. In this problem solving lesson, students watch a video of a fire on a horse farm and complete a problem/solution graphic organizer. They identify the problem in the...
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Assessment
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Inside Mathematics

Two Solutions

For Teachers 9th - 12th Standards
Many problems in life have more than one possible solution, and the same is true for advanced mathematics. Scholars solve seven problems that all have at least two solutions. Then three higher-level thinking questions challenge them to...

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