Students review some basic biology by talking about how the eye works. They cover the concepts behind laser surgery as a treatment for saving sight. They begin to recognize the overlap of disciplines (physics and biology) required for...

Students explore the use of lasers. In this "lasers" science and career education lesson, students search the Internet to find uses for lasers and make a list of companies that use or produce lasers. Students complete a lasers and making...

In this proofreading worksheet, students mark infinitives, prepositional phrases, subjects and verbs in a paragraph titled "The Twentieth Century,"then edit for missing commas.