Teach Engineering
Chromatography Lab
Groups use alcohol and chromatography paper to separate the color components of black ink. The purpose of the activity is to allow the class to become aware that mixtures exist in hidden places.
Curated OER
Chalk Chromatography
Your chemistry class is sure to love this experiment on column chromatography, as demonstrated with chalk sticks and felt tip markers. Pupils use sidewalk chalk (another inexpensive form of chalk stick) to demonstrate adsorption and the...
Curated OER
Alcohols Revisited (and Ethers) and Going Further... Carboxylic Acids and Their Derivatives
Identifying characteristics of alcohols and their physical properties are reviewed in bullet-point fashion on the first two slides. The same material follows, but for ethers. Finally, the structure and naming of carboxylic acids and...
Curated OER
The Effects of Alcohol and other Teratogens: A model using Zebrafish
Students investigate the interference of various drugs on an embryo through experimentation. This is an open-ended lab to allow students to see effects of various chemicals humans choose to put in their bodies and create questions they...
Curated OER
2000 U.S. National Chemistry Olympiad National Exam - Part I
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...
Chymist
Esters: An Introduction to Organic Chemistry Reactions
Scratch and sniff an introduction to organic chemical reactions. A creative lesson has individuals study the esters commonly used in scratch-and-sniff stickers and advertisements. Following the lab procedure, scholars create the organic...
University of Minnesota
Motor Learning and Memory
What do our brains have to do with reaction timing? Everything! In a hands-on learning activity, young scientists participate in four card activities that measure reaction timing. Each activity gets progressively more complex, and...
Curated OER
Alcoholic Fermentation Lab
In this alcohol fermentation activity, high schoolers design an apparatus to study the alcoholic fermentation of yeast. Once complete, students answer 8 short answer questions.
American Chemical Society
Can Liquids Dissolve in Water?
How does food coloring work? Classes watch a demonstration showing liquids dissolving in liquids. In groups, they then explore the ability of other liquids to dissolve in water (alcohol, mineral oil, and corn syrup) by setting up and...
Curated OER
How Cells Harvest Energy
Survey the metabolism process from respiration through the production of the ATP molecule with this seven page AP biology activity. Pupils write short answers on the lines provided and label a diagram of the cellular respiration process.
Micron Technology Foundation
States of Matter
Solids, liquids, gasses oh my! Young scientists will be amazed when they try this experiment, which uses dry ice to discover the states of matter through sublimation.
Curated OER
Ester Lab
In this ester learning exercise, students mix organic acids with alcohols to produced esters and identify the products by the chemical reaction and the scent given off after the reaction occurs.
Curated OER
Preparation of Triiodomethane (iodoform)
For this preparation of triiodomethane worksheet, high schoolers use propanone to prepare triiodomethane. Students use filtration and recrystallization in order to make the product. They determine the melting point using a melting point...
Curated OER
The Difference Between Acids and Bases Using Different Indicators
Students identify the differences between acids and bases. In this acids and bases lesson plan, students identify and distinguish between acids and bases. They use household products to test the ph levels. They test the ph levels by...
American Chemical Society
Using Color to See How Liquids Combine
Blue-tinted water is added to unknown liquids that have been tinted yellow to find out how they interact. This is a memorable activity that is part of an investigation on the properties of liquids, which is part of a unit on the...
Oregon State
Using Paper Chromatography
Through the analysis of paper chromatography to separate ink from the pen found at the crime scene, learners analyze the different stains and through calculations determine the thief.
DiscoverE
Building with Biology
Seeing is believing! Bring DNA to life for young biologists using a simple extraction lab. Individuals extract the DNA from wheat germ, then place it in a microcentrifuge tube for observation. They thread yarn or other material through...
Royal Society of Chemistry
Crude Oil
The United States consumes more oil than any other country, and its residents use 50 percent of that for transportation. Scholars match eight fractions of crude oil to their applications. Then, they fill in three logic puzzles reviewing...
Olomana School
Mixtures and Solutions: Paper Chromatography Experiment
Why does some ink bleed through paper, and other ink doesn't? Practice some paper chromatography to separate the colors from a pen with an interactive experiment for middle and high schoolers. Learners use a variety of solutions to track...
Curated OER
AP: Chapter 9A: Respiration - Glycolysis
AP biologists aspire to respire with this instructional activity. In it, they write short answers to 26 questions about cellular respiration. Topics addressed include the Kreb's cycle, fermentation, and more. Written as a chapter reading...
Towson University
Berries...With a Side of DNA? (High School)
Is DNA still present after picking fruit or cooking vegetables? Biology scholars extract and collect DNA strands in an impactful lab. Working groups prepare their samples and compare their results to negative and positive standard...
Curated OER
How to Change the World
Biology or health classmates read a case study about a family who is dealing with fetal alcohol syndrome. The PowerPoint that is supposed to be shown is not included, but there are a plethora of web resources that can be used to help you...
Curated OER
Condensation Polymerization: Preparation of Two Types of Polyesters
College-level or AP chemists use phthalic anhydride to synthesize two different polyesters, one linear and one cross-linked in structure. A detailed materials list and well-written procedures are provided on a lab sheet. Learners write...
Curated OER
Combustion of Alcohols
In this combustion worksheet, students use a table showing the amount of heat released when different alcohols burn to complete 2 problems. Students create 2 graphs plotting the energy release against the number of carbon atoms.