+
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...
+
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...
+
Worksheet
Curated OER

Real Life Chemistry (for the Business World)

For Students 9th - 12th
In this real life chemistry learning exercise, students are given 12 problems to solve by converting from one unit to another. Students are given conversion factors to find their answers including finding the number of moles and molecules.
+
Assessment
Curated OER

2009 U. S. National Chemistry Olympiad - Local Section Exam

For Students 9th - 12th
Here is a copy of a past national challenge exam that you can use in your general chemistry course as a unit or semester review. Sixty multiple-choice questions query learners on properties of matter, stoichiometry, reactions, and...
+
Assessment
Curated OER

2001 U.S. National Chemistry Olympiad National Exam Part II

For Students 9th - 12th
Only eight problems are on this competitive national chemistry exam. It required the balancing of chemical equations, solving stoichiometry questions, and more. This is part two of three of the national exam. Also available is a local...
+
Lesson Plan
Curated OER

Relating Moles to Coefficients of a Chemical Equation

For Teachers 9th - 12th
Young scholars investigate the coefficients in a chemical equation and their relation to moles. In this moles and coefficients lesson plan, students perform a single replacement reaction of copper (II) sulfate and zinc and find the ratio...
+
Worksheet
Curated OER

Measuring for Chemistry: Moles, Compounds, and Conversions

For Students 9th - 12th
Through a station rotation activity, scientists complete 9 chemistry activities to complete this interactive worksheet. Concepts include molar masses, percent composition, accuracy vs. precision, mass of an object, scientific notation,...
+
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 19 Review, Mixed Review: Oxidation-Reduction Reactions

For Students 9th - 12th
Here is a short, but well-rounded review of redox reactions. Chemistry apprentices identify the type of reaction, write half-reaction equations, balance equations, and assign oxidation numbers. Being brief, this would make a purposeful...
+
Worksheet
Curated OER

Chapter 19 Review, Section 3: Oxidation-Reduction Reactions

For Students 9th - 12th
If you need a homework assignment for your chemistry class, add this one to the possibilities. This assignment is composed of six questions including the identification of oxidizing and reducing agents, recognizing different redox...
+
PPT
Curated OER

The Mole Concept

For Teachers 8th - 12th
The need for a counting unit is mentioned as you introduce the mole to your young chemists. Use this presentation to explain Avogadro's number and describe the incredible quantity it represents. Lecture notes are included for most of the...
+
Worksheet
Curated OER

Atoms, Mass and The Mole

For Students 9th - 12th
In this atoms, mass and the mole worksheet, students are given 18 problems to solve for the number of atoms, the mass of the substance or the moles of the substance. Students show their work and include all the units of measurements.
+
Worksheet
Curated OER

Vocabulary-Energy and Matter

For Students 9th - 12th
In this energy and matter activity, students define 28 terms related to moles, matter, energy, the Law of Conservation of Energy, mass, properties of matter and states of matter.
+
Worksheet
Curated OER

Grossmont College - Chem 115 Practice Exam 2

For Students 9th - Higher Ed
Here is a straightforward practice test for first year chemistry learners. Responders balance equations, identify types of reactions, represent electron configurations, and solve stoichiometry problems. Keep this handy to use as...
+
Worksheet
Curated OER

Practice Final

For Students 9th - 12th
A full-fledged practice final prepares pupils for their general chemistry final exam. If they complete these 57 multiple-choice questions correctly, they will be well-prepared. Note: even though the questions are multiple-choice, there...
+
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.
+
Lesson Plan
Curated OER

WS 7.4 Ideal Gas Law

For Teachers 10th - 12th
In this ideal gas law worksheet, students solve eighteen problems using the ideal gas law to solve for moles of gases, temperature of gases, pressure of gases or volumes of gases.
+
Lesson Plan
Curated OER

Chemistry Review

For Teachers 10th - 12th
In this chemistry review worksheet, students identify chemical changes, isotopes, ions, and chemical bonds. This worksheet has 32 multiple choice questions.
+
Worksheet
Curated OER

Visualizing the Limiting Reactant

For Students 9th - 12th
In this chemical equation activity, students determine the limiting reactant and the excess reactant for the given reactions. This activity has 10 problems to solve.
+
Worksheet
Curated OER

Molarity of Solutions

For Students 10th - Higher Ed
In this molarity worksheet, students determine the mass needed to make the given solutions and calculate molarity and volume of solutions. This worksheet has 14 problems to solve.
+
Worksheet
Curated OER

Aqueous Acids and Bases - Titration

For Students 10th - 12th
In this titration worksheet, students determine the moles of product plus the molarity of the solution created. This worksheet has 6 problems to solve.
+
Worksheet
Curated OER

Quantitative Relationships in Chemical Equations

For Students 10th - 12th
In this chemical equations worksheet, students balance the equations and then determine the number of moles of product or reactant. This worksheet has 7 problems to solve.
+
PPT
Curated OER

Chemical Quantities

For Teachers 9th - 12th
Prepare your chemistry charges for stoichiometry with this PowerPoint. The objective is to be able to calculate molar mass for different compounds. Beginning with the foundational definition of moles and moving through atomic and...
+
Worksheet
Curated OER

Moles and Stoichiometry Practice Problems

For Students 9th - 12th
Five practice stoichiometry problems plus their answers fill this chemistry worksheet. Because the answers are spread across the bottom of the page, this would best be used as your class is just learning how to perform mole and mass...