Curated OER
Ice Ice Baby! The Design and Preparation of A Reusable Ice Pack
Students explore polymers by designing and preparing an inexpensive and effective reusable ice pack. They develop and test a design for a reusable ice pack in the science lab. Students apply chemical and physical properties of polymers...
Curated OER
Glurch II
Students make glurch using materials provided. In this chemistry activity, students identify the physical properties of glurch. They compare its properties to commercially prepared ones.
Curated OER
Slime and Intermolecular Attractions
Students explore the strength of intermolecular attractions. They make slime and compare the difference in the physical properties of sheet and powdered polyvinyl alcohol with polyvinyl acetate.
Curated OER
Bouncing Balls
Students create a polymer ball in the lab. For this chemistry lesson, students identify the different properties of the polymer they created. They explain what type of chemical reaction took place.
Curated OER
How Large is a Mole of M&M's
Young scholars calculate whether or not a mole of M&M's fill their high school. They practice factor-labeling, define a mole, and calculate the number of cubic feet per mole of M&M's. To answer the question they measure and...
Curated OER
Laboratory: Micro Rockets
If you know how to employ the exothermic reaction between hydrogen gas and oxygen gas to make a miniature rocket, then this worksheet is a fabulous lab sheet for your chemistry charges. First, they observe a spark in pure oxygen and one...
American Chemical Society
Combustion and Burning
On Earth, a candle flame points up, but on the International Space Station, it forms a sphere. Young scientists practice their skills by recording observations before, during, and after a candle burns. Chemical and physical...
Curated OER
Simple Tensile Testing of Polymeric Films and Sheeting
Chemistry classes pretend to be consultants to a grocery story trying to decide what polymer to use for therir new non-paper bags. They prepare tensile bars and use them to test plastic film samples for strength and stretchability. Both...
Curated OER
An Approach to Chemistry via the Analysis of Art Objects: The Scientific Method, Laboratory Safety, Light and Color Theory
Students create a painting that clearly exemplifies the use of primary pigments to make secondary pigments. They demonstrate the distinction between value and saturation. They explain the affect of adjacent colors on each other and...
Curated OER
Lesson 2, Student and Teacher Behaviors in Science
Students explore ethics. For this science ethics lesson, students examine science lab classroom ethics as they consider various scenarios that encourage authentic student discussion and the formulation of guidelines and principles.
Curated OER
Ethics in the Science Laboratory
Students consider the role of ethics in science lab procedures. In this ethics lesson, students explore a scenario that requires them to record their reactions to the case and the conduct of students in the case who alter laboratory data.
Curated OER
Straw Chromatography
Students separate food coloring using liquid chromatography. In this chemistry lesson, students explain the effects of different solvents on the rate of separation.
Curated OER
From Polymers to Bioplastics: Looking Toward Finding Renewable Resources
Students investigate the properties of polymers. For this chemistry lesson, students explain the importance of energy sources. They produce a bioplastic from the lab and evaluate its structural integrity.
Curated OER
To Smell or Not to Smell, That is the Ester
Young scholars explain the basic concepts of polymerization. Students participate in a lab to create a crude preparation of carboxyl esterase and test its effectiveness in reducing the residual monomer in an emulsion such as paint.
Curated OER
Applying Scientific Method to Analyzing
Students review the scientific method and basic lab skills, and practice how chemical employees work in teams to follow the scientific method. Students learn about various job requirements and responsibilities in the chemical industry.
Curated OER
Chromatography
Students conduct various experiments on chromatography. In this chemistry lesson, students distinguish among the different types of chromatography methods. They explain how the stationary and mobile phase interact with each other.
Teach Engineering
Measuring Surface Tension
How do you measure surface tension? The fifth installment of a nine-part series is an experiment where young scientists use tubes of different sizes to measure surface tension. They calculate the average and standard deviation of the...
Teach Engineering
Investigating Contact Angle
Discover the properties of water-loving and water-hating surfaces. In the seventh installment of a nine-part series, scholars explore hydrophilic and hydrophobic surfaces by conducting an experiment. They observe surface coatings,...
Curated OER
Polymerization Experiments
Students study the concepts of polymerization and the function of crosslinkage. In this polymer lesson students complete a lab activity and write down their observations.
Curated OER
Is Your Blue Really Blue? [Metamerism]
Students examine color perception and how it relates to metamerism. In this color instructional activity students complete a lab activity that shows them the three basic components of color perception.
Curated OER
Using Blood-Typing to Determine Causes of Death in Surgery Patients
In this simulation activity, young biologists examine blood types to determine whether the death rate in a hospital was caused because of incorrect identification of patient blood types. You will need obtain and follow the procedures of...
Curated OER
Evolutionary Relationships Based Upon Comparative Genetics
High schoolers investigate the protein cytochrome c in an attempt to use its genetic chemistry to study possible evolutionary relationships between organisms. The lesson integrates technology with the use computers to perform DNA analysis.
Curated OER
Simplified Vertical Rebound Testing
Students participate in a lab activity in which they examine a simple energy transformation system. Students test the rebound of elastomers, produce rebound data, and determine the kinetic energy transformed by the impact of a free...
Curated OER
Properties and Perfectly Polymeric Sodas
Students examine physical and chemical properties of plastics, interfaces of plastics, and forms of plastics. In three lab activities, students discover the two characteristic responses of plastics to heating, thermoplastic or...