Curated OER
Hand Lotion Analysis
Students prepare a sample of a commercial hand lotion for analysis by HPLC to determine the percent composition of two common cosmetic preservatives, methylparaben and propylparaben. They perform the analysis and the data is evaluated to...
Curated OER
Shape Up!
An outstanding lesson on teaching the basic shapes and polygon names to young geometers is here for you. In it, learners investigate the role of basic polygons in the strength of structures. They use geoboards, rubber bands, streamed...
Curated OER
Degradation and Weathering of Polymeric Materials
Students investigate issues of degradation and weathering of polymeric materials during their useful life. They evaluate photodegradable plastics and their viability as an environmental solution for litter and investigate the qualitative...
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
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
Investigating the Effect Of Successive Heat and Cool Cycles on a Thermoplastic material.
Students investigate hot melt glue using a hot melt glue gun as an an injection molding simulator and a melt index viscometer. They evaluate the effect of heating and cooling by weighing the glue extruded over a constant time period.
Curated OER
Determining Cutting Site Locations
Students explore DNA restriction mapping. They cut pieces of paper into lengths representing those produced when specific enzymes are used to cut a strand of DNA.
Curated OER
The Great Cafeteria Caper
Students extract DNA from their own hair roots. They run an electrophoresis gel to examine patterns of their DNA along with standard DNA. The experiment is based on a crime scene scenario.
Curated OER
Everyday Documents
Almost more of a lesson than a learning exercise, this particular resource has learners examine different types of historical documents. There is a historical docment embedded in the learning exercise that learners study, and they also...
Curated OER
Comparing SLaves and Servants in Colonial New York
Young historians compare and contrast differences in the laws that regulated the activities of slaves and servants. They review and analyze a series of primary source documents to explain the social constructs related to slaves and...
Curated OER
Parallel Structure - Exercise 5
Teachers who are looking for resources to reinforce the grammatical concept of Parallel Structure should enjoy this worksheet and the accompanying interactive activities embedded in the sheet. There are twenty sentences to complete by...
American Chemical Society
Exploring Moisture on the Outside of a Cold Cup
As a stand-alone or as part of the intended unit, this is a valid investigation of what causes condensation to occur. By limiting the amount of air around a cold cup of water and comparing it to one out in the open, they find that the...
American Chemical Society
Changing the Density of an Object - Adding Material
In this sixth of seven activities revolving around the concept of density, physical science fans figure out if anything can be done to change the density of an object. Demonstrate by placing a can of regular and a can of diet soda into a...
Mathematics Vision Project
Quadratic Equations
Through a variety of physical and theoretical situations, learners are led through the development of some of the deepest concepts in high school mathematics. Complex numbers, the fundamental theorem of algebra and rational exponents...
Association for Library Service to Children
Summer Reading List Grades K-2
Keep your kids reading throughout the summer with a wonderful list of books! Youngsters can choose from 25 different titles, each of which is paired with publication information so that their parents, guardians, or librarians can easily...
American Chemical Society
Changing State: Evaporation
Why do experiments require a control? Guide scholars through designing an experiment to see what they can do to evaporate water faster with a lesson that stresses the importance of controlling all variables. The second activity allows...
Nikola Tesla documentary student worksheet
Curated OER
ASL: Lesson 13
Ever consider becoming an interpreter for a special needs or hearing impaired pupil? ASL instructional activity 13 focuses on becoming an interpreter and also on research. Included are many links to visual aids and video intended to...
Curated OER
"The Wind" by James Reeves
Inntroduce primary learners to essential critical reading strategies with an activity based on James Reeves' poem, "The Wind." Learners listen as the poem is read, first as a riddle, and then re-read with the title visible. The class...
DiscoverE
Rocket-Powered Ski Lift
If a ski lift had rockets, imagine how fast it would be! Scholars let their imaginations take flight as they build models for such a ski lift. Rather than using a rocket, though, they'll use a much safer balloon as the power source.
Curated OER
Lesson Plan - Appearances are Deceiving
Herre is a lesson on divergent and convergent evolution. It has links to terrific video clips, an associate worksheet, and more. The analysis questions have been reviewed separately on Lesson Planet if you would like more information....
PBS
Hidden Alarm
It's time! The fourth lesson in a five-part series has teams of scholars build a circuit for an alarm. A switch lets them turn the alarm on and off and allows them to hide the alarm—just as long as they don't hide it in the classroom!
Curated OER
When A Car Coughs. . .
Budding scientists collect and compare particulate exhaust from four different vehicles. They discuss how cars contribute to air quality. To get the most mileage out of this resource, have learners complete the optional step 5, in which...
Curated OER
Chemical Resistance and Synthetic Polymers
Students participate in lab activities in which they examine immersion, stain resistance, and stress cracking of synthetic polymers. Students use their collected data to discuss service applications and possible performance of materials.