+
Assessment
Curated OER

2002 U.S. National Chemistry Olympiad National Exam - Part I

For Students 9th - 12th
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
+
Assessment
Curated OER

2000 U.S. National Chemistry Olympiad National Exam - Part I

For Students 9th - 12th
The National Chemistry Olympiad exams are comprehensive tests covering an entire  year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your general...
+
Worksheet
Curated OER

Investigating Osmosis

For Students 7th - Higher Ed
A thorough investigation of cell transport is provided when completing the assignment. The first half requires biology class members to answer questions about diffusion and osmosis with the aid of diagrams. Then they fashion an...
+
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...
+
Interactive
Chemistry Collective

Virtual Lab: Unknown Silver Chloride

For Students 9th - Higher Ed
You'll need to concentrate on the concentration lab to get it done. Given a virtual beaker with a silver chloride solution of unknown concentration, scholars find the silver ion concentration in the solution. Of course, they must show...
+
Interactive
Royal Society of Chemistry

Aqueous Ions

For Students 9th - 12th Standards
Lose an electron? You should keep an ion it! Scholars test their knowledge of aqueous ions while completing four puzzles. Each puzzle requires knowledge of the ion, the color of the ion, the precipitate, and the color of the precipitate.
+
Interactive
Royal Society of Chemistry

State Symbols

For Students 6th - 12th Standards
When water is a solvent in a chemical equation, we consider it an aqueous solution. Scholars match the name of four states of matter to their proper symbol in a chemical equation. Four puzzles provide repetition to help pupils remember...
+
Lesson Plan
Virginia Department of Education

Acids and Bases

For Teachers 9th - 12th Standards
What did one titration say to the other titration? We should meet at the end point! Young chemists perform four experiments: dilute solution, neutralization, titration, and figuring pH/pOH. 
+
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....
+
Worksheet
Curated OER

Chapter 14 Review, Section 2: Acids and Bases

For Students 9th - 12th
Lewis acids and bases, Brønsted-Lowry acids and bases, ionization, and more are covered by this chemistry handout. It serves as a review of a specific textbook section, but will also serve as a nice review for any general chemistry...
+
Worksheet
Curated OER

Chapter 13 Review, Mixed Review: Ions in Aqueous Solutions and Colligative Properties

For Students 9th - 12th
Here is an attractive worksheet that walks chemistry learners through a review of aqueous solutions. There are matching, short answer, and multiple choice questions dealing with boiling and freezing points, precipitate, molality, net...
+
Worksheet
Curated OER

Chapter 12 Review, Section 1: Solutions

For Students 9th - 12th
Here is a different approach to solutions: a worksheet that has chemistry learners use words to describe them! This is an outstanding exercise that will stretch learners to show what they know. They answer questions comparing solutions,...
+
Worksheet
Curated OER

Chapter 13 Review, Section 2: Ions in Aqueous Solutions and Colligative Properties

For Students 9th - 12th
Here is a general chemistry worksheet that incorporates practical applications. Four questions employ critical thinking about solutions, boiling and freezing points, and molar mass. Your class will practice what they learn in class by...
+
Worksheet
Curated OER

Chapter 13 Review, Section 1: Ions in Aqueous Solutions and Colligative Properties

For Students 7th - 12th
This is an apt assignment for chemistry takers that are studying ionic solutions. Eight questions require problem solving and critical thinking to answer. The first question instructs learners to use a table in the textbook, but you can...
+
Worksheet
Curated OER

Inorganic Compounds in Aqueous Solution-Colors

For Students 9th - 12th
In this inorganic compounds activity, students complete a chart by determining the reactions between inorganic compounds in aqueous solutions. Students indicate the color of each solution and the product formed when each compound and...
+
Worksheet
Curated OER

Chapter 5 Practice Problems

For Students 10th - 11th
In this chemistry worksheet, students determine the oxidizing agent and the reducing agent in each stated problem. Then they determine the molarity of acetic acid. Students also use the previous activities to predict whether a...
+
Worksheet
Curated OER

Molarity Homework

For Students 10th - 12th
In this molarity worksheet, students calculate the molarity and concentration of different solutions. This worksheet has 5 problems to solve.
+
Worksheet
Curated OER

Electrolytes and Colloids Worksheet

For Students 10th - Higher Ed
In this electrolytes worksheet, students calculate percent composition, determine the electrical conduction of electrolytes, and explain the Tyndall effect. This worksheet has 7 problems to solve.
+
Organizer
Curated OER

Acid, Base, or Salt?

For Students 9th - 12th
For this acids and bases worksheet, students read about the differences between acids and bases and then complete a table comparing the characteristics of both. Then students determine if the given statements describe an acid, base, or...
+
Worksheet
Curated OER

Solutions

For Students Higher Ed
In this solutions activity, students calculate molality and mole fraction. Students define colligative property and determine what affects the solubility of gas in solvents. This activity has 2 short answer questions and 9 problems to...
+
Worksheet
Curated OER

Acids, Alkalis, and pH

For Students 9th - 12th
In this pH worksheet, learners determine how indicators work and what the pH scale is used for. Students learn what happens when non-metals burn in air and when metal oxides dissolve in water. This worksheet has 10 problems to solve.
+
Worksheet
Curated OER

Hess's Law Cycle

For Students 11th - Higher Ed
In this chemistry instructional activity, learners write the balanced equation for the formation of one mole of fat from its elements under standard conditions. Then they write the balanced equation of the combustion of this fat....