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STARS. Sizes, Brightness, Patterns. Developed by: Jill Swanger for 2 nd graders. Table of Contents. (Star Wars theme song playing from CD in background) Title Slide Georgia Performance Standard Definition of a Star Elements of a Star (Pie Chart) Physical Attributes (Flow Chart)

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developed by jill swanger for 2 nd graders

STARS

Sizes, Brightness, Patterns

Developed by: Jill Swanger

for 2nd graders

table of contents
Table of Contents

(Star Wars theme song playing from CD in background)

  • Title Slide
  • Georgia Performance Standard
  • Definition of a Star
  • Elements of a Star (Pie Chart)
  • Physical Attributes (Flow Chart)
  • Brightness of a Star (Organization Table)
  • Sizes of a Star
  • Life Cycle of a Star
  • Patterns of a Star (Bar Graph)
  • Video Clip of the Sun
  • Conclusion
  • Glossary
  • References
georgia performance standard
Georgia Performance Standard

2nd Grade Science Standard

Earth Science

S2E1: Students will understand that stars have different sizes, brightness, and patterns.

a. Describe the physical attributes of stars – sizes, brightness, and patterns.

www.georgiastandards.org

what is a star
What is a star?

A gaseous sphere found in outer space. A star is held together by its own gravitation. It emits light through its source of nuclear energy.

what causes a star s brightness
What causes a star’s brightness?

Hhhmmm!

I wonder which 2 factors?

Take a look at the table on the following slide. Determine what 2 main factors influence the brightness of a star (as seen from Earth)!

did you think about it
Did you think about it?

What are the 2 main factors?

  • Distance from the Earth
  • Luminosity (compared to the Sun)
sizes
Sizes

Are all stars the same size?

sizes continued
Sizes…(continued)
  • What do you notice about all of these stars below?
sizes continued13
Sizes…(continued)

Tell me two types of sizes stars can have.

Let’s put them on our physical attributes chart!

life cycle of stars
Life Cycle of Stars

Sun-like

Stars

(1.5 X mass

of sun)

Red

Giant

Stellar

Nursery

Planetary

Nebula

Black

Dwarf

White

Dwarf

patterns
Patterns
  • What patterns can stars create?
constellations
Constellations
  • Stars can form patterns in the sky known as constellations.
  • Who can tell me the name of a constellation?
  • This constellation is Orion (the hunter).
the night sky
The night sky
  • What constellations are in the sky right now?

KidsAstronomy.com - Earth

what is the sun
What is the sun?
  • Did you know that the sun is a large star?
  • Check out this video on the sun!

http://www.solarviews.com/raw/sun/sunb.mov

conclusion
Conclusion
  • What are the 3 physical attributes of a star?
  • Tonight, look at the sky and write down what you see!
glossary
Glossary
  • attributes: characteristics
  • luminous: brightness
references
References
  • Arkansas/Oklahoma Astronomical Society. (2005). Retrieved July 23, 2005, from http://www.aoas.org/albums/astrophotos/gentry_night_sky_2.jpg
  • Constellations and Their Stars. (n.d.). Retrieved July 19, 2005, from http://www.astro.wisc.edu/~dolan/constellations/extra/constellations.html
  • Enchanted Learning. (1999-2005). Retrieved July 21, 2005, from http://www.enchantedlearning.com/subjects/astronomy/stars/lifecycle/
  • Georgia Department of Education. (2005). Retrieved July 18, 2005, from www.georgiaperformancestandards.org
  • Imaginova Corp. (2005). Retrieved July 20, 2005, from http://www.space.com/scienceastronomy/brightest_stars_030715-2.html
  • Kid Astronomy. (1998-2004). Retrieved July 20, 2005, from http://www.kidsastronomy.com/astroskymap/constellations.htm
references continued
References…(continued)
  • NASA Goddard Space Flight Center. (n.d.). Retrieved July 20, 2005. from http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/961112a.html
  • Nikomi (2005). Retrieved July 21, 2005, from http://www.nikomi.net/english/astronomy/starsizes.htm
  • Solar Views. (1996-2003). Retrieved July 21, 2005,. From http://www.solarviews.com/raw/sun/sunb.mov
  • Yahoo, Inc. (2005). Retrieved July 18, 2005, from http://yahooligans.yahoo.com/reference/encyclopedia/entry?id=44982