Curated OER
Stress, Strain and Hooke's Law
Students study Hooke's Law and stress-strain relationships. In this spring lesson students create a strain graph in Microsoft Excel.
Curated OER
Stressed and Strained
Learners explore stress and strength in engineering design. In this engineering lesson, students become familiar with terminology associated with stress and strain on building material. They will have a class discuss about how their beam...
Curated OER
Straining to Understand Viruses
Students examine the differences among the strains of deadly viruses and create research-based visual displays about the origins of different strains, transmission, symptoms, treatments and historic impact of specific viruses.
Curated OER
Elastomers: The Best Bungee Cord
Young scholars 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...
Curated OER
Determination of Tensile Stress-Strain Common Properties in Materials
Students demonstrate the relationship between stress and strain, then graph stress-strain curves for various common materials. Students interpret graphed results and discuss differences in mechanical properties of materials.
Curated OER
Producing a Strain of E. coli that Glows in the Dark
Students observe the experimental process called bacterial transformation and demonstrate phenotype changes in bacteria that have been transformed with an antibiotic-resistance gene and a metabolic marker. They create a luminescent...
Curated OER
Characterization of the Bioluminescence (Lux+) Gene E. coli
Students grow E. coli strain HB101, which contains the plasmid pUCD607 with the bioluminescence (Lux+) gene. The plasmid containing the Lux+ gene is isolated from the E. coli, then characterized by restriction analysis.
Curated OER
DC Bridge Circuits
In this circuits worksheet, students answer 19 questions about DC bridge circuits, they mathematically analyze a circuit they design, they calculate output voltages in given circuits and they analyze schematics of strain gauge circuits...
Curated OER
Specific Resistance of Conductors
In this conductors worksheet, students complete 15 problems about conductance, strain gauge, and electrical resistance of conductors.
Teach Engineering
Mechanics of Elastic Solids
Make the connection between Hooke's law and elasticity with an activity that introduces the class to the behavior of elastic materials. The resource defines stress and strain to calculate the modules of elasticity of materials and also...
Teach Engineering
Breaking the Mold
A little too much strain could cause a lot of stress. Groups conduct a strength test on clay. Using books as weights, pupils measure the compression of clay columns and calculate the associated strain and stress. Teams record their data...
Curated OER
STRAINING FOR SOUND
Sixth graders use a laser along with computer microphone probeware and the appropriate software, 6th graders determine the speed of rotating objects.An audio amplifier is connected to a solar cell to change the laser light signal into a...
Curated OER
Stress and Strain
Students use working models to show the stress and strain in the movements in the earth's crust. In this stress lesson plan students complete a lab in which they construct a model.
Teach Engineering
Strength of Materials
Pupils examine a stress-strain diagram that compares the advantages and disadvantages of the two common bridge building materials, concrete and steel. The also consider the factors that influence the materials builders choose for their...
Curated OER
History of Modern Cuba
Set the context for the often-strained relationship between the US and Cuba with this informative and entertaining presentation. From political cartoons to photographs of Fidel Castro and Fulgencio Batista, as well as heartbreaking...
Curated OER
Writing Exercises: The Environment and Sustainability
Sometimes it's good to challenge our kids with thought-provoking topics. They'll have to think hard and use what they know to answer these essay questions. They'll discuss how and why developed nations put a strain on the world's...
Towson University
Transformation Lab
Transform your class' understanding of genes and antibiotic resistance with the Transformation Lab. Junior geneticists create and observe their own resistant strains of E. coli through research, discussion, and experimentation. The...
National Nanotechnology Infrastructure Network
Silver and Bandages: Assessment of Inhibition of Bacteria by Silver Colloid-Impregnated Bandages
Silver: more than jewelry, it's also a natural antimicrobial agent. An inquiry-based lesson asks collaborative groups to design and implement an experiment to test this property. Using samples of silver nanoparticles and a strain of...
Livaudais-Baker English Classroom
Heart of Darkness Active Reading Journal Assignment
Avoid the horror of readers straining to recall details of Joseph Conrad's complex Heart of Darkness. Instead provide scholars with a frame for their note taking. As they read, class members record evidence to support their responses to...
Teach Engineering
Viscoelasticity
Stretch one's mind about viscoelastic materials. Future engineers learn about viscoelastic materials and how they differ from solids and fluids. They discover how the molecular structures of the materials relate to their properties,...
Curated OER
Gregor Mendel: Monk and Scientist
This is a visually attractive PowerPoint that summarizes the life of Gregor Mendel and the genetic traits that he detailed. Each slide has clear bullet points and lovely images that are helpful and relevant
Curated OER
Straining out the Dirt
Students design and construct a water filter using activated carbon, cotton and other materials to remove chocolate powder from water. They test and record their observations, and complete a KWL chart.
Curated OER
Detecting Breast Cancer
Students develop a painless means for identifying cancerous tumors. In this imaging lesson students list the information that may be needed to answer the problem.
Curated OER
The Brief American Pageant: American in World War II
From the home front to the middle of Europe, America's presence in World War II was forever transitioning with the strain of war. The variety of maps and charts offered in this presentation helps to contextualize the 1940's. The amount...