Curated OER
Polymers
Learners explore online tutorial on polymers. In this chemistry lesson, they create two polymers in the lab and compare their properties. They write a sales letter about their new and improved polymer product.
Curated OER
The Study of Molecular Orientation by Linear Dimension Change of Polymeric Films
Students investigate the linear dimension change of heated plastic film and relate the results to processing and service use of the materials. They calculate percent change in dimension as related to anisotropy and molecular reorientation.
Curated OER
Bouncing Balls
Students create a polymer ball in the lab. In this chemistry lesson plan, students identify the different properties of the polymer they created. They explain what type of chemical reaction took place.
Curated OER
Polymerization Experiments
Students explain the process of polymerization. In this chemistry instructional activity, students produce carboxylesterase in the lab. They test its effectiveness in removing the by-product odor.
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One Plus One Makes New
Students identify the different properties of matter. For this chemistry lesson, students design an experiment on a property of matter they would like to investigate. They report their findings in class.
Curated OER
Superballs
Young scholars mix two different solutions to become more familiar with molecules and polymers. In this chemistry lesson, students decide whether or not the reaction between two solutions is chemical or physical. Young scholars then...
Curated OER
Elastomers: The Best Bungee Cord
Students examine elastomeric polymers in a lab activity in which they design a bungee cord. Students must determine the tensile strength, percent elongation, and plot stress versus strain graphs for their experiments on rubber bands...
Curated OER
#21 Films, Fibers, and Solubility
Students are introduced to how the differences in solubility of materials are used in the manufacture of fibers and films. They are also introduced to the various processes used to make films and fibers. Pupils prepare fibers using wet...
Curated OER
An Introduction To Carbon Nanotubes
Students engage in a study of nanotechnology that is meant to be an enrichment to the already established chemistry curriculum of high school. They are encouraged to make connections to daily life. The lesson includes background...
Curated OER
Making Bouncing Balls
Second graders analyze the composition of different balls. In this science instructional activity, 2nd graders create their own balls using materials provided by teacher. They demonstrate what their invention can do.
Curated OER
To Smell or Not to Smell, That is the Ester
Students 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
A Comparison of Polymeric Liquids with Newtonian Liquids
Students perform several tests on liquids. In this general science lesson, students compare the properties of polymeric and nonpolymeric liquids. They explain the composition and importance of macromolecules.
Curated OER
Creating Biodiesel and Mitigating Waste
Biotechnology pros produce their own biofuel using waste oil and fresh vegetable oil. They test the quality of their product using titration techniques and pH analysis. They write their observations and report their findings. Be aware...
Lawrence Hall of Science
Photolithography
Examine the use of photolithography in the fabrication of circuit boards and other components. An advanced activity teaches pupils a process for transferring a pattern onto a surface. Using UV light and a light reactive substance,...
Curated OER
How to Design an Experiment
Students work together to develop and implement an experiment. They investigate the properties of nylon and construct a mobile of organic materials. They share their experiments with the class.
Curated OER
Understanding of the Structure of an Amino Group
Learners review the characteristics of acids and bases. They examine the structure of an amino group and compare amines to ammonia. They work together to develop the concent of polymerization.
Curated OER
Lesson on Proteins
Young scholars examine the importance of proteins including their function and structure. In this protein instructional activity students play a game to help them better understand proteins.
Curated OER
Watching Crystals Grow
Students observe crystal growth of Epsom salts and the variables that hinder or help their nucleation and growth. They illustrate a series of drawings/pictures as the crystals grow. They look for the different shapes they form as well...
TeachEngineering
Teach Engineering: Let's Make Silly Putty
Learners make two different formulations of imitation Silly Putty with varying degrees of cross-linking. They witness how changes in the degree of cross-linking influence the putty properties.