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Cepheid stars: Difference between revisions
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[[Category:Science]] | [[Category:Science]] | ||
{{Rinfo | {{Rinfo | ||
|type= Lesson idea | |||
|attribution={{Chris Tooley}} | |||
|final= | |final= | ||
|title=Cepheid stars | |title=Cepheid stars | ||
|topic=Astronomy | |topic=Astronomy | ||
|subject=Science | |subject=Science | ||
|tagline= | |tagline=How we know what we know: a slide presentation to explain how Goodricke and Leavitt measured the stars. | ||
|image= | |image=cepheidstars1.png | ||
|resourcenumber= SC0036 | |resourcenumber= SC0036 | ||
|Learning Objectives= | |Learning Objectives= | ||
* | * recall parallax and luminosity as methods to calculate the distance of stars | ||
* | * recount the discovery of variable stars | ||
* | * how Henrietta Leavitt’s discovery of the relationship between period and luminosity allows star distances to be calculated | ||
|age=Secondary | |age=Secondary | ||
|content= | |content=This is the third and final slide presentation lesson of a series on the calculation of the distances of stars. Traditionally a challenging lesson for students, this takes a step by step approach. The teacher provides (The next lesson considers how we know about the chemistry and characteristics of stars). | ||
|format= | |format= | ||
|strategy= | |strategy= | ||
|additional resources= | |additional resources= | ||
|useful information= | |useful information= | ||
|related resources= | |related resources=Read the Wikipedia article on Henrietta Leavitt | ||
|other= | |other= | ||
|resources= | |resources= | ||
* | The presentation has been converted to a number of different formats. You can download | ||
* Powerpoint version: | * Various different formats (with audio explanation) in one ZIP file: {{file|SC0036 Cepheid Stars.zip}} | ||
Or you can download the files individually: | |||
* Audio explanation [[media: ]] | * Powerpoint version:{{file| SC0036 Cepheid stars.ppt }} | ||
<!-- * Audio explanation [[media: ]] --> | |||
* Teacher's audio explanation of how the lesson was delivered {{File|CT - Cepheid voiceover.MP3}} | |||
* Smartboard notebook version {{File|Cepheid stars.notebook}} | |||
<!-- * Powerpoint with details about the astronomers, Goodriche & Leavitt: {{File|SC0036 Cepheid stars.ppt}} --> | |||
* PDF preview version {{File|SC0036 Cepheid stars.pdf}} | |||
{{Astronomy presentations dropbox}} | |||
}} | }} | ||
