1. It’s big! It’s bright! It’s necessary! (C) Copyright 2014 - all rights reserved www.cpalms.org http://www.nasa.gov/images/content/665490main_20120705_114522- orig_full.jpg

2.  In your notebook write the following:  Three things you already know about the Sun  Two things you find interesting about the Sun  One question you still have about the Sun (C) Copyright 2014 - all rights reserved www.cpalms.org

3.  The Sun is a star. It is a large ball of gas.  The provides energy for us on earth.  The Sun is a yellow star. It is a main sequence star.  It is really hot.  It produces energy through nuclear fusion  Question- Why does it have temperatures? How is the Sun similar to Earth? (C) Copyright 2014 - all rights reserved www.cpalms.org

4. https://c1.staticflickr.com/9/8249/8515999093_0b07ef52ed_z.jpg

5.  Radiation-energy transfer as particles or waves  Hand wiggles like a snake or wave up and down  Conduction- energy transfer by touching  Clap hands together  Convection- energy transfer by circulation or movement in a liquid or gas  Hand moves in a circular path (C) Copyright 2014 - all rights reserved www.cpalms.org

6. 1. Core 2. Radiative zone 3. Convective zone 4. Photosphere 5. Chromosphere 6. Corona 7. Sunspot 8. Granules 9. Prominence http://upload.wikimedia.org/wikipedia/commons/7/76/Sun_diagram.svg (C) Copyright 2014 - all rights reserved www.cpalms.org

7.  Core- center of the Sun  15,000,000º C  Nuclear fusion occurs here  What is nuclear fusion again? (C) Copyright 2014 - all rights reserved www.cpalms.org http://openclipart.org/image/30 0px/svg_to_png/40357/appleco re.png http://upload.wikimedia.org/ wikipedia/commons/4/4d/N uclear_fusion.gif

8.  Radiative zone- layer in which energy is radiated away from the core  Heat moves out from the center (C) Copyright 2014 - all rights reserved www.cpalms.org Core Convective zone http://upload.wikimedia.org/wikipedia/commons/3/3 8/Heating-Radiator.svg

9.  Convective zone-Layer of the Sun in which energy travels by convection  Energy flows from radiative zone to the photosphere (C) Copyright 2014 - all rights reserved www.cpalms.org http://upload.wikimedia.org/wikipedia/commons/0/08/Convection.gif

10.  Photosphere (photo means light)- visible surface of the Sun  Average temperature 5,527º C  Layer in which energy escapes to space (C) Copyright 2014 - all rights reserved www.cpalms.org http://upload.wikimedia.org/wikipedia/common s/3/37/Sun_projection _with_spotting- scope.jpg

11.  Chromosphere-The middle layer of the Sun’s atmosphere  Temperatures reach 6,000º C (C) Copyright 2014 - all rights reserved www.cpalms.org http://upload.wikimedia.org/wikipedia/commons/d/d4/Sun_poster.svg

12.  Corona- the outermost layer of the Sun Temperature reaches 2,000,000º C (C) Copyright 2014 - all rights reserved www.cpalms.org http://upload.wikimedia. org/wikipedia/commons /0/06/469368main_Su n_layers_unlabeled_full.j pg

13.  Take your notes and draw a picture of the Sun. Include each of the layers.  Leave space to add solar activity (C) Copyright 2014 - all rights reserved www.cpalms.org

14.  Does the Sun rotate or revolve?  Let’s act it out!  Stand in one spot and spin in a circle. Is this rotation or revolution?  Now walk around the classroom in a circle. Is this rotation or revolution? (C) Copyright 2014 - all rights reserved www.cpalms.org

15.  Sunspots- dark areas on the Sun’s surface  They are 1,500ºC  Last days to months  Activity occurs on an 11 year cycle  Caused by Sun’s magnet field (C) Copyright 2014 - all rights reserved www.cpalms.org http://upload.wikimedia.or g/wikipedia/commons/thu mb/2/28/Sunspot_Numbe rs.png/800px- Sunspot_Numbers.png

16.  Solar Flares- an explosion of energy from the photosphere  Can extend as far as Corona  Watch quick video http://www.youtube.com/watch?v=Jy- LTMjVFCw (C) Copyright 2014 - all rights reserved www.cpalms.org http://xdem.free.fr/uploaded_images/TRACE_SolarFlare-742697.jpg

17.  Prominences- Huge loops of cool gas that go out from the photosphere (C) Copyright 2014 - all rights reserved www.cpalms.org http://i.ytimg.com/vi/J1rs7CTlOP8/0.jpg

18.  Solar Flare- Make a Y with your arms  Solar Prominence- Make an O with your arms above your head. (C) Copyright 2014 - all rights reserved www.cpalms.org https://openclipart.org/image/300px/svg_to_png/191 801/Happy_Boy_.png

19.  Add examples of the solar activities to your model( Sunspots, solar flares, prominences)  Get with your group and compare your diagrams. Fix them until they are all perfect. (C) Copyright 2014 - all rights reserved www.cpalms.org