## Reflection: Developing a Conceptual Understanding What Affects the Brightness of Stars - Section 5: Wrap Up

Importance of Providing the Notes Page

When going through the website about the Truth about the Brightness of Stars, a lot of important information is given.  The website counts down the top ten brightest stars from 10 to 1.  The magnitude for each star is given along with the distance from Earth.  For students to be able to comprehend what these numbers mean, they have to be able to see them in relation to each other, not spread out in various slides.  I created the The Truth About the Brightness of Stars Chart to show the information in a data chart because this is how students are used to analyzing information in science.  By filling out the information in the chart, students are able to easily compare the magnitude of stars which ranges from .46 being the least bright to -26.72 being the brightest.  They are also able to compare the brightness of the star to the distance from the sun and see that the brightest star (our sun) is much closer to us than any other star.  They can also see that distance is not the only factor that affects brightness by comparing the magnitude and distance of all the stars.  Without having this information written out in a chart like this, it will be difficult for students to make the connection between what was learned throughout the lesson, to the information they are seeing on the website about real stars.

Developing a Conceptual Understanding: Importance of Providing the Notes Page

# What Affects the Brightness of Stars

Unit 6: Earth's Place In Space
Lesson 2 of 9

## Big Idea: Students will brain storm ideas on what makes stars appear brighter, then test those ideas using flashlights.

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60 minutes

### Jennifer Sallas

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