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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

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Peer reviewed Peer reviewed
ERIC Number: EJ590381
Record Type: CIJE
Publication Date: 1999
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0031-921X
Detecting the Polarity of an Electric Charge.
Chen, Xiang Yong; Wang, Xing
Physics Teacher, v37 n6 p344 Sep 1999
Explains how to determine the polarity of static electric charges by using an electrician's tool called the test pencil. (WRM)
Descriptors: Electricity, Higher Education, Physics, Science Activities, Science Equipment, Science Experiments, Science Instruction, Secondary Education
Publication Type: Guides - Classroom - Teacher; Journal Articles
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Polarity