Lenses are precisely shaped pieces of glass that have been developed and used in corrective glasses, telescopes, microscopes, binoculars, and magnifying glasses. They can be convex or concave. Links are provided to a video an a test.

[Free Registration/Login Required] Students will identify right, acute and obtuse triangles using many interactive tools available in ACTIVstudio 3.0. Students will be engaged using a magnifier tool, the fill tool, and drag and drop and...

Use your magnifying glass, binoculars, and telescope to go night exploring with Tia and learn about the natural world around you.

The mosted noted of the orations of Isocrates is the Panathenaicus or Panegyric of Athens, a work on which he spent ten years, and in which he uses all the resources of his art to extol Athens and magnify the benefits she conferred o...