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50 Years of ERIC
50 Years of ERIC
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Peer reviewed Peer reviewed
ERIC Number: EJ260485
Record Type: CIJE
Publication Date: 1982-Mar
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Classroom Demonstration of Sunspots.
Callaway, Thomas O.; And Others
Physics Teacher, v20 n3 p171 Mar 1982
An overhead projector, projection screen, and clear tungsten Filament light bulb operated through a dimmer or variac switch are used to demonstrate the fact that black appearance of sunspots is due only to contrast and that sunspots are bright. (SK)
Descriptors: College Science, Demonstrations (Educational), Higher Education, Light, Physics, Science Education, Secondary Education, Secondary School Science, Spectroscopy
Publication Type: Reports - Descriptive; Journal Articles
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Sunspots