lighthouses

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charlottesoper
Posts: 33
Joined: Mon Nov 09, 2009 10:44 am
Occupation: teacher
Project Question: n/a
Project Due Date: nov. 16th
Project Status: Not applicable

lighthouses

Post by charlottesoper »

what is a frensel lense? how does a frensel lense work? how many lighthouses are in use in U.S.?
deleted-71588
Former Expert
Posts: 1297
Joined: Mon Oct 16, 2006 11:47 am

Re: lighthouses

Post by deleted-71588 »

Based on your "teacher" profile, I'd like to know if your questions being submitted are on behalf of students in your class?

You/they can probably find the answers to the questions by putting your questions into a search engine like ask.com or answers.com. That is what the experts here would have to do to answer these types of questions.

The Science Buddies Ask the Experts forum is aimed at helping K through 12 students with Science Fair projects.

The experts here expect the investigator to try doing some of their own research through search engine first and have read the Science Fair Project Guide.

Read up on what the Science Buddies charter is. I personally am interested in helping students learn how to do great Science Fair projects and in the process learn about the scientific method and how to conduct meaningful investigations and do their own preliminary research.
-Craig
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