8th Grade - Chapter 16 - Atomic Structure and Chemical Bonding
8th Grade Ch. 3 Sec. 2 The Sun
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Transcript of 8th Grade Ch. 3 Sec. 2 The Sun
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The sun’s gravity is the most powerful force in the solar system because the sun’s
mass is so large.
99.8 % of the mass of the solar system is in the sun.
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Sun’sinterior
coreradiation
zoneconvection
zone
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corecore• center of Sun• nuclear fusion • hydrogen atoms helium
atoms• occurs only under conditions
of extremely high temp. (15 million oC) & pressure
• makes sun’s energy
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radiation zone• middle layer of
sun’s interior
• region of very tightly packed gas
• energy transferred by electromagnetic radiation
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convection zone
• outermost layer of sun’s interior
• hot gases rise & cooler gases sink
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layersof sun’s
atmosphere
1.photophotosphere
2.chrommosphere
3.corona
• inner layer• image you see in photophotograph
•mmiddle layer•reddish glow
• outer layer• visible during
total solar eclipse
sends outsolar wind
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corona
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solar windsolar wind
• stream of electrically charged particles
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features on Sun
sunspots prominences solar flares
dark areas on sunthat are cooler
than gasesaround them
loops of gas that link sunspot
regions
explosions that occur when
sunspots connect
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# of sunspots variesover a 10-11 year cycle
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prominencesprominences
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solar flares
• increase solar wind
• cause auroras
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ghost
wispy witch
green ghost
The Ring
eerie spirit
SPOOKY SPOOKY AURORAAURORA
SS
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NASA eClips-Our Sun
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Edible cookie
• Arched Twizzler = prominence
• Mini chocolate chips = sunspots
• Sprinkles = photosphere
• Frosting = convection zone
• Cookie = radiation zone
• Center of the cookie = core
• Straight Twizzler = solar flare
Song to remember layers
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Make a model of the sun, identifying layers of the Sun's interior & atmosphere. Also, include features of the sun.
Rubric:
Layers of interior 20
Layers of atmosphere 20
Features 20
Creativity 30
Labels 10