Create and use a pinhole magnifier.

Students are asked to explain why scientists need to adjust the position of objects under a microscope.

A drawing and measuring activity to give students an appreciation of magnitude in powers of ten, and of microscopes. Students draw themselves and an object life-size, and then examine smaller and smaller pieces of their picture.

[Free Registration/Login may be required to access all resource tools.] Describes a scientific laboratory, lab equipment, and lab safety.

[Free Registration/Login Required] Learn about the type, size, location, and orientation of the image that forms when a thin lens is used to view an object using this interactive simulation. A PDF worksheet and a video tutorial are also...

A complete page of free downloads that allow the Macintosh computer to be more easily used by people with poor vision.

Learn how to calculate the total magnification of a microscope on this concise site. Links to making a slide, questions on the use of the microscope, and other related microscope topics are included on this site.

Almost 100 images of Nebulas are posted on this amazing site. Magnifications, exposure times, and the name of each nebula are provided.

Almost 100 images of Nebulas are posted on this amazing site. Magnifications, exposure times, and the name of each nebula are provided.

Almost 100 images of Nebulas are posted on this amazing site. Magnifications, exposure times, and the name of each nebula are provided.

Almost 100 images of Nebulas are posted on this amazing site. Magnifications, exposure times, and the name of each nebula are provided.

Almost 100 images of Nebulas are posted on this amazing site. Magnifications, exposure times, and the name of each nebula are provided.

Almost 100 images of Nebulas are posted on this amazing site. Magnifications, exposure times, and the name of each nebula are provided.

Almost 100 images of Nebulas are posted on this amazing site. Magnifications, exposure times, and the name of each nebula are provided.

Almost 100 images of Nebulas are posted on this amazing site. Magnifications, exposure times, and the name of each nebula are provided.

Almost 100 images of Nebulas are posted on this amazing site. Magnifications, exposure times, and the name of each nebula are provided.

Almost 100 images of Nebulas are posted on this amazing site. Magnifications, exposure times, and the name of each nebula are provided.

Almost 100 images of Nebulas are posted on this amazing site. Magnifications, exposure times, and the name of each nebula are provided.

Almost 100 images of Nebulas are posted on this amazing site. Magnifications, exposure times, and the name of each nebula are provided.

Almost 100 images of Nebulas are posted on this amazing site. Magnifications, exposure times, and the name of each nebula are provided.

Almost 100 images of Nebulas are posted on this amazing site. Magnifications, exposure times, and the name of each nebula are provided.

Almost 100 images of Nebulas are posted on this amazing site. Magnifications, exposure times, and the name of each nebula are provided.

Almost 100 images of Nebulas are posted on this amazing site. Magnifications, exposure times, and the name of each nebula are provided.

Almost 100 images of Nebulas are posted on this amazing site. Magnifications, exposure times, and the name of each nebula are provided.