Descprition: In Microworlds, students examine everyday objectsas well as microorganisms with a variety of magnifying devices. They beginby investigating several common objects with the unaided eye. Using a variety of lenses, including hand lenses, acrylic spheres, and water drops, theylearn that a magnifying lens must be transparent and curved. Next, studentsusea microscope to view inanimate objects. They learn proper focusingand lighting techniques as well as how to prepare slides. Students preparea section of onion skin and observe its cells. Students' attention thenturns to living specimens. Using a microscope, they view three microorganisms--Volvox,Blepharisma, and the vinegar eel. They study the cell structure of theseorganisms andobserve how the organisms feed, grow, and multiply. In afinal challenge,studentsuse the microscope to examine cultures they havegrown from hay andgrass infusions.
1 container of materials
Ruth Patrick Science Education Center
Center of Excellence in EducationalTechnology
University of South Carolina Aiken
471 University Parkway
Aiken, SC 29801