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Teaching Point: “To compare and contrast our sun to other stars in the sky.” PowerPoint Presentation
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Do Now : What does this video clip reveal about our sun?. Teaching Point: “To compare and contrast our sun to other stars in the sky.”. TP: “To compare and contrast our sun to other stars in the sky .” How are Stars Classified?. There are four criteria to classify stars:

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tp to compare and contrast our sun to other stars in the sky how are stars classified
TP: “To compare and contrast our sun to other stars in the sky.”How are Stars Classified?

There are four criteria to classify stars:

Temperature- how hot the star is; reflected by its color .

Luminosity- measures how bright a star is and how much energy it emits compared to our sun

Color- blue (hot) through red (cool)

Size- how small or massive a star is.

tp to compare and contrast our sun to other stars in the sky class activity
TP: “To compare and contrast our sun to other stars in the sky.”Class Activity

Student 1: Find the following stars and write down

what 1) stage of life they are in and 2) their color, and

their temperature:

Procyon B, Proxima Centauri , Sun, Pollux, Betelgeuse

Student 2:Find the following stars and write down

their 1) temperature and 2) luminosity.

40 Eridani B, Sirius, Spica, Aldebaran, Rigel

Student 3:Locate one star from each stage of life and

collect the following data for each star:

Name, Luminosity, Temperature, Color, and Stage of Life

tp to compare and contrast our sun to other stars in the sky depth of knowledge
TP: “To compare and contrast our sun to other stars in the sky.”Depth of Knowledge

How does the energy a star gives off, its color, and its size change throughout its life?

or

If our star (the sun) were to suddenly disappear, predict two consequences for planet Earth in the short term and long term.

tp to compare and contrast our sun to other stars in the sky lesson summary
TP: “To compare and contrast our sun to other stars in the sky.”Lesson Summary
  • What was the most important thing that you learned in today’s lesson?
  • Why is it important?