Assessment
Curated OER

2006 U.S. National Chemistry Olympiad Part III

For Students 9th - 12th
For this chemistry Olympiad lab worksheet, high schoolers are given two lab problems to design experiments. Topics include determining the mass percentage of a given compound and determining an unknown metal using quantitative and...
Assessment
Curated OER

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

For Students 9th - 12th
Two laboratory problems are put forth for chemistry students. They are to plan and carry out an experiment that will answer each of the questions. The first asks them to investigate a relationship between the surface area of a potato and...
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...
Assessment
Curated OER

2001 U.S. National Chemistry Olympiad Part III

For Students 9th - 12th
Here is a comprehensive method for assessing chemistry learners' knowledge; have them approach two laboratory problems, plan their methods of solving each, and then actually carry out the experiments to find the answers. Both the...
Assessment
Curated OER

2003 U.S. National Chemistry Olympiad Part III

For Students 9th - 12th
In this chemistry Olympiad worksheet, pupils are given 2 lab problems to work on. They must explain their experiment they would carry out, show their data and write their results and conclusions of the lab and the process.
Lesson Plan
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Teach Engineering

Density and Miscibility

For Teachers 7th - 9th
The liquids did not mix — so what do density columns have to do with it? The seventh part in a series of nine provides the theoretical explanation of why density columns do not mix. The lesson covers the topics related to...
Unknown Type
Chemistry Collective

Chem Collective: Textbook Style Limiting Reagents Problems

For Students 9th - 10th
Textbook-style practice limiting reagent exercises with that can be used as a way to "predict and check" your answers using the virtual lab.

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