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Lesson Plan
Curated OER

Moles Lab Activities

For Teachers 9th - 12th
General chemistry class members engage in a mini-unit on mole conversions. Through nine lab activites with varying degrees of difficulty, they practice measuring mass and volume, molar calculations, and stoichiometry. Terrific teacher...
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Assessment
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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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Lesson Plan
Curated OER

Quality Control at Kality Krunchers Dill Pickle Factory

For Teachers 9th - Higher Ed
In a hypothetical scenario, food chemists use titration to concoct a brine solution for producing the crunchiest pickles. They also analyze store-bought pickle juices. In addition to reinforcing titration techniques, the lesson requires...
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Lesson Plan
Curated OER

Hydrogen Peroxide Analysis

For Teachers 9th - Higher Ed
A scenario is presented for chemistry techs to address. Using titration techniques, they must analyze hydrogen peroxide solution samples. They evaluate accuracy and precision in the process. They also gain experience consulting the MSDS...
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Lesson Plan
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The Floating Egg Problem

For Teachers 9th - 12th
This is the grown-up version of the classic "float an egg in salt water" experience, plus an experiment in soap making. High schoolers explore density, but more importantly, practice accuracy, precision, and the use of significant...
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Lesson Plan
Curated OER

Gas Law Investigation

For Teachers 9th - 12th
Investigators collect the carbon dioxide produced when an antacid tablet is activated and identify what alteration produced the most gas. They also collect the gas in a buret in order to practice precision. Then they choose between two...
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Lesson Plan
Curated OER

Giants of the Century

For Teachers 6th - 12th
Middle and high schoolers study significant people who shaped the 20th-century history and are introduced to database tools. Researchers use the Internet to research five 20th century history makers. They write a short biography of five...
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Worksheet
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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...
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Worksheet
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Significant Figures II

For Students 10th - 12th
In this significant figures learning exercise, students solve nine problems. They indicate significant figures in given numbers, they perform calculations and express their answers with the proper number of significant figures and they...
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Worksheet
Curated OER

WS 1.6 Significant Figures II

For Teachers 10th - 12th
In this significant figures activity, students indicate the number of significant figures in given measurements. They also perform calculations of multiplication, division, addition and subtraction and identify the number of significant...
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PPT
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Significant Figures in Calculations

For Teachers 9th - 12th
Significant figures estimate the precision of your calculations. Teach your high school scientists how to count and identify significant figures at the beginning of the school year so that they are adept at using them in their...
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Worksheet
Curated OER

Metric System Conversion Factors

For Students 6th - 12th
In this metric system conversion learning exercise, students use dimensional analysis to convert metric and English units. There are 5 metric to metric problems and 10 metric to English problems.
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Worksheet
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Organizing Data

For Students 7th - 9th
For this data worksheet, students convert measurements to significant notation and determine the number of significant digits. This worksheet has 4 fill in the blank and 2 short answer questions.
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Worksheet
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Worksheet 1-Chemistry 110

For Students 10th - 12th
The title of this worksheet does not reveal that it was designed to give practice using scientific notation and significant figures, both skills that are useful to young chemists. It includes a table to complete, rounding exercises,...
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Worksheet
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Significant Figures Worksheet

For Students 9th - 12th
In this math worksheet, students perform basic mathematical operations on 5 problems and express answers in correct number of significant figures.
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Worksheet
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Unit Conversions

For Teachers 10th - 12th
In this unit conversions worksheet, students calculate and convert measurements from one unit to another. They complete 109 short answer and problem solving questions involving unit conversions.
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Worksheet
Curated OER

Washington D.C. from Space

For Students 8th - 10th
In this Washington D.C. from space instructional activity, students use a picture generated by the International Space Station and they find the scale of the image. They determine the actual size of features in the image, they find the...
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Worksheet
Curated OER

Magnetic Forces and Kinetic Energy

For Students 8th - 10th
In this magnetic forces and kinetic energy worksheet, students use the formula that relates the speed of an electron in a plasma cloud to its energy to find the speed of 6 different plasma cloud electrons. They answer 5 questions that...
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Worksheet
Curated OER

Unit Conversion 2

For Students 9th - 12th
In this unit conversion learning exercise, learners solve 10 problems using conversion factors to find their answers. They express their answers using scientific notation with the proper number of significant figures.
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Worksheet
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Scientific Notation III

For Students 9th - 12th
In this scientific notation worksheet, students solve 10 problems where they multiply and divide numbers using scientific notation and they express their answers with the proper number of significant figures.
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Worksheet
Curated OER

Jupiter and Io

For Students 10th - 12th
In this Jupiter and Io worksheet, students use a diagram of the planet and its moon to find the dimension of the image, the width of the largest feature in the atmosphere of Jupiter, the width of the smallest feature in the atmosphere of...
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Lesson Plan
Curated OER

Estimation and Significant Figures

For Teachers 9th - 12th
Students investigate the importance of significant figures through measuring and estimating. In this estimation and significant figures lesson plan, students measure pieces of paper and round their figures to the nearest marking on the...
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Worksheet
Curated OER

Even More Significant Figures

For Students 9th - 12th
In this significant figures worksheet, students solve 12 multiplication, division, addition and subtraction problems and express their answers in scientific notation with the proper number of significant figures.
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Worksheet
Curated OER

Significant Figures: Part Deux

For Students 9th - 12th
In this significant figures activity, students solve addition, subtraction, multiplication and division problems and express their answers with the proper number of significant figures.