Hi, what do you want to do?
Curated OER
Observe Earth Day with Art Projects Made from Recycled Materials
Creative hands-on art project ideas that are easy on the earth and easy on a teacher’s budget.
Curated OER
2007 U.S. National Chemistry Olympiad Local Section Exam
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...
Serendip
Is Yeast Alive?
Through two investigations, life science learners determine whether or not yeast is alive. They perform tests for metabolism by providing sugar and observing if gas is produced as a byproduct. They incubate some of the sample for at...
Curated OER
Project Geode
Young geologists attempt to predict the appearnace of a geode's internal structure based on how it looks from the outside, its mass, and its physical characteristics. In this geologly lesson plan, learners use scientific equipment to...
Curated OER
The Science of a Historic Sinking
Incorporate science investigations to expand pupils' understanding of the Titanic.
Curated OER
Real-World Projects: Challenges from the Polymer Industry
Two scenarios are presented for chemistry detectives to decipher. Both require the use of an infrared spectrometer and focus on the examination of polymer materials. In the first, lumps in polyethylene bottles are analyzed. In the...
Curated OER
Quality Control at Kality Krunchers Dill Pickle Factory
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...
Curated OER
Using the Spectrophotometer to Analyze a Mixture
General chemistry classes practice spectroscopy. They grasp the relationships between wavelength, absorbance, and solution concentration. Additionally, they gain valuable practice using laboratory equipment such as burets and pipettes....
Curated OER
Safety Comes First
Here is a thorough lesson on safety in the chemistry lab. Chemists review a detailed list of safety rules, draw the layout of the laboratory area to include emergency equipment, identify hazard warnings, and consult the MSDS in order to...
Curated OER
Condensation Polymerization: Preparation of Thiokoll® (Polysulfide Rubber)
This lab activity is geared toward experienced chemistry learners, in particular, those who are familiar with organic chemistry. They will create a synthetic elastomer and then make observations and measurements of its different...
Curated OER
Ecosystems and Remote Sensing
Students obtain remote sensing data to compare and contrast global biomass data with global temperature data.
Curated OER
Hydrogen Peroxide Analysis
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...
Curated OER
The Visible Spectroscopy Expert Witness Problem
In a simulated crime science investigation, chemistry or physics sleuths use spectroscopy to analyze solutions. The lesson gives learners practice making salicylate solutions, using spectrophotometers, calculating dilution amounts,...
Curated OER
Sorting Plastics For Recycling
First, young chemists practice polymer identification by density and flame tests. With the data collected, they propose a method of separating polyethylene from other plastics and determine what property makes it desirable for recycling....
Curated OER
The Floating Egg Problem
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...
Curated OER
Aluminum Adventure
Chemistry aces use an electrochemical cell to anodize a strip of aluminum. They apply an organic dye to it. In a practical application, they design a piece of jewelry out of the anodized metal and describe the process. Thorough notes...