ARTICLES

Anton van Leeuwenhoek invented the simple microscope in 1674, according to About.com. The simple microscope had one lens, which van Leeuwenhoek used to examine insects and other small objects.

www.reference.com/history/invented-simple-microscope-1bd2548f5606fc7e

Although there is no single inventor of the microscope, in 1595, Zacharias Janssen and his father, Hans, invented the first compound microscope. Both glasses makers, their invention proved that a series of lenses inside ...

www.reference.com/article/year-microscope-invented-29d0b63809a3d32a

The Forest Food Pyramid Project and The Rings of Saturn are examples of interesting science projects for third graders. Other examples include Make a Simple Microscope, Wind Speed Challenge and Total Eclipse of the Moon.

www.reference.com/article/interesting-science-projects-third-graders-eab96500402d1f5f

SIMILAR ARTICLES

Anton van Leeuwenhoek was the first scientist to closely observe cells under a microscope; he paved the way for a modern understanding of biology overall. He actually gave cells their name after the resemblance he believ...

www.reference.com/science/were-anton-van-leeuwenhoek-s-contributions-cell-theory-6b0ca25fffc3d582

Anton van Leeuwenhoek was the person who discovered cilia and flagella in 1676. The discovery was sent to the Royal Society of London in a letter that described his findings as a second sort of animalcules whose figures ...

www.reference.com/article/were-cilia-flagella-discovered-6e9878c0c69db345

Notable inventions of the 1980s include the hepatitis-B vaccine, MS-DOS, IBM-PC, the scanning tunneling microscope, the human growth hormone, The Apple Lisa, contact lenses, Cabbage Patch Kids dolls, CD-ROM and the Apple...

www.reference.com/history/1980s-inventions-99c881483b44a4

Physicist Ernst Ruska and German engineer Max Knoll are credited with creating the first electron microscope in 1932. It permitted researchers greater magnification and resolution than traditional light microscopes.

www.reference.com/history/invented-electron-microscope-581690738a78c0d7