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Lesson Plan
Baylor College

What Dissolves in Water?

For Teachers K - 5th
One of water's claims to fame is as the universal solvent. Young physical scientists experiment to discover which materials dissolve in this special compound. You could never be more prepared for teaching this lesson than by using this...
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Assessment
Curated OER

2007 U.S. National Chemistry Olympiad Local Section Exam

For Students 9th - 12th
Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...
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Assessment
Curated OER

2000 U.S. National Chemistry Olympiad Local Section Exam

For Students 9th - 12th
This 60-question comprehensive exam was designed to determine who would go on to compete in the 2000 US National Chemistry Olympiad. Hopefuls answer multiple choice questions regarding all chemistry topics taught in the first year...
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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
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

2001 U.S. National Chemistry Olympiad - Local Section Exam

For Students 9th - 12th
Sixty multiple-choice chemistry questions make up this comprehensive exam used for the 2001 US National Chemistry Olympiad. Every topic that you would expect to approach in a general chemistry class is queried on. You could easily use...
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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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Lesson Plan
Curated OER

Regents High School Examination PHYSICAL SETTING CHEMISTRY 2006

For Teachers 9th - 12th
The 2006 version of the Regents High School Exam is just as thorough as the rest of them! Assess chemistry learners on an entire year's curriculum when they take this thirteen page test. 
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Lesson Plan
Curated OER

Investigating the Change

For Teachers 5th - 8th
Sugar crystal growth is observed as an example of physical change and cabbage juice pH indicator is used to demonstrate chemical change. The crystal growth is tracked over five days. The cabbage juice experiment is involved and can also...
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Worksheet
Curated OER

A Solubility Curve for Potassium Nitrate

For Students 9th - 12th
Step-by-step laboratory instructions are listed so that chemistry explorers can consider the solubility of potassium nitrate. They combine their results with those of other lab groups and then graph the data to display the solubility...
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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

Chapter 12 Review, Mixed Review: Solutions

For Students 9th - 12th
Although there are only six questions on this chemistry handout, it makes a thorough review of solutions. Novices explain why a compound is not an electrolyte, identify types of compounds, and calculate moles, grams, and molalilties in...
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Worksheet
Curated OER

WS 8.7 Solutions, Colloids and Suspensions

For Students 10th - 12th
In this solutions, suspensions and colloids worksheet, students use diagrams to show how particles are different in each of these mixtures. They also distinguish between characteristics of each of these types of mixtures and categorize...
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Assessment
Curated OER

2004 U.S. National Chemistry Olympiad Part I

For Students 9th - 12th
In this chemistry worksheet, test takers answer 60 multiple choice questions on topics related to chemistry from balancing equations to calculating moles and molecules of compounds. They name formulas, they convert, they solve problems...
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Worksheet
Curated OER

Molarity

For Students 10th - 11th
In this molarity worksheet, 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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Worksheet
Curated OER

WS 8.2 Formation of Solutions

For Students 10th - 12th
In this solutions learning exercise, students answer questions about the solubility of various substances in solvents such as oil in water and nitrogen gas in helium. They draw water molecules to show bonding between them and they...
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Worksheet
Curated OER

WS 8.1 Solutions

For Students 10th - 12th
In this solutions worksheet, students identify solutes and solvents from a list of solutions and they draw water molecules bonding to each other. They fill in the blanks with terms related to bonding in solutions, density of solutions...
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Lesson Plan
Curated OER

Dilution and Concentration of Solutions

For Teachers 9th - 12th
Future chemists practice laboratory techniques by creating a monochloramine solution. The objectives are to use of dilution, 9concentration, and measurement skills and to prepare a solution that will be used in a water treatment...
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PPT
Curated OER

Solutions

For Teachers 9th - 12th
Amateur chemists define and describe properties of solutions, compare solubilities, explain how solutes affect freezing and boiling points, describe acid and base properties, and more! This educational PowerPoint provides information and...
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Worksheet
Curated OER

Chemistry Midterm Practice Exam

For Students 9th - 12th
A comprehensive practice exam, this resource covers many areas of chemistry. The test includes 71 multiple choice questions on topics such as problem solving, chemical equations, chemical formulas, thermodynamics, acids and bases, and...
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Lesson Plan
Curated OER

Chemistry Practice

For Teachers 10th - 11th
In this chemistry overview worksheet, students calculated the volume of different gases and liquids given in a word problem. Students had to calculate the molecular mass and write the empirical formula and the molecular formula.
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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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PPT
Curated OER

Hydroponics

For Teachers 9th - 12th
These attractive, clear slides summarize hydroponics.  They cover details concerning nutrients, solutions, flooding issues, media types, and commercial use.  
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Worksheet
Curated OER

Filter It!

For Students 3rd - 4th
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...