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Pick up a Resiliency and Grit Rubric. READ the descriptions and grade yourself again. It is OK if your score goes down! Answer the questions on the back HONESTLY. If you don’t know your test score – you make check IC quickly! DO NOW!
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List 3 things that you know about the solar system. List 3 things that you want to know about the solar system. Warm-up
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How did it form? Basic facts 99.8% of mass 100x diameter of Earth 5,527 o C 92.1% H, 7.8% He Plasma Sun today Sun today Main source of Earth’s energy Our Sun http://www.nasa.gov/images/content/524990main_FAQ10_full.jpg
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Need to know! Thermal energy Temperature Heat 3 Types of heat 1.Conduction a.Contact Thermal Energy
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2.Radiation a.EM waves b.How energy gets to Earth 3.Convection a.Movement i.In fluids (liquids, gases, plasma) ii.Material heated (conduction) iii.Rises….why? iv.Sinks….why? v.Repeat
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1.How are conduction, convection and radiation similar? 2.Give a real-life example of conduction, convection and radiation making an object warmer. (That I didn’t already give you!) Warm-up
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All types of heating occur in different parts of the Sun 1.Core a.Conduction b.Super dense, hottest layer c.Hydrogen fusion happens here! 2.Radiation Zone a.Radiation of thermal energy b.Energy moves slowly c.Thickest layer Heat and the Sun’s Structure
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3.Convection Zone a.Convection b.Energy moves more quickly in this layer Heat and the Sun’s Structure
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4.Photosphere a.Visible surface 5.Chromosphere a.Temp. increases b.Red glow 6.Corona a.Outermost layer b.Hotter than surface c.Only seen during an eclipse Outer Solar Structure
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Create a model of the sun to help you understand and remember the layers. Remember a model is anything that helps you! (a drawing, saying, diagram, mnemonic device, song…) Sun Structure Model
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Sunspot Lab
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What is a magnetic field? What causes a magnetic field? On the Sun? Effect of rotation Different rotation rates Magnetic field lines get wound up Can eventually snap Sun’s Magnetic Field http://www.cbsnews.com/8301-205_162-57597396/
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Intense magnetic field prevents convection Brightness & temperature Center vs. Edges Sunspots http://oneminuteastronomer.com/1018/sunspots/
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Solar flares Caused by field snap High energy Explosive Prominence Loops/arches Follow magnetic field lines into space Surface Features
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Solar Wind Plasma stream Hot, high speed Coronal Mass Ejections (CME)CME Massive eruption Rearrangement of magnetic field lines Effects on Earth Disrupt magnetic field shape Damage electronics Danger to astronauts Solar Wind & CME http://stereo.gsfc.nasa.gov/browse/2013/10/14/index.shtml
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Interaction of charged particles and magnetic field Strongest at poles Colors Elements Altitude Constantly changing Aurora http://www.public.iastate.edu/~sdk/fick2003/october.html
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1.Finish the questions on the Sunspot Lab. 2.Turn it into the basket when you are done. You have 10 minutes! Warm-up End
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Predictable cycle 11-years Minimums Last = 2008/2009 Maximum Last maximum = 2014 Current count: 42 Effects on Earths’ climate Sunspot Cycle
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Mass Definition DOES NOT CHANGE! Units Mass & Gravity & Weight …oh my! Gravity Gravity Definition 9.8 m/s 2 Weight Definition W = m*g
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You would weigh differently on Jupiter than on Earth! Mass kg, g, lbs. Definition Doesn’t change with location Weight Newtons Definition Can change with location http://pgceandteaching.wordpress.com/2013/06/18/the-difference-between-mass-and-weight/
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Nebula Evidence for formation from one nebula Nearly circular orbits Orbit in same direction Orbits in same plane Planets rotate in same direction (mostly) How does this other stuff form?
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Too hot for H 2 O, CH 4 to condense Heavier elements Terrestrial planets Asteroid belt Affected by Jupiter Objects may leave What’s happening towards the Sun? http://www.foxnews.com/science/2014/07/24/11-need-to-know-things-about-our-solar-system/
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Cooler Lighter elements H, He, H 2 Ov Gas giants Kuiper belt Icy chunks Asteroids Pluto Oort cloud Comets Source of Earth’s water? What’s happening at the outer edge? http://www.foxnews.com/science/2014/07/24/11-need-to-know-things-about-our-solar-system/
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The BIG picture! http://mybroadband.co.za/vb/showthread.php/280231-Positions-of-Asteroid-Kuiper-Belts-amp-Oort-Cloud
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Astronomical Unit Equals the average distance from the Sun to the Earth 1 AU = 9.3 x 10 7 mi 1 AU = 1.5 x 10 8 km 1 AU = 1.6 x 10 -7 ly Practice! The Moon is 380,000 km away = _____ AU It is HOW big?
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Distance & Diameter Modeling
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Create a way to remember the planets. Exit Slip
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1.If you were on Mercury, would you weigh more, less or the same as on Earth? 2.If you were on Mercury, would you have more, less or the same amount of mass as on Earth? 3.Create your own definitions for planet, dwarf planet, moon, comet and asteroid. Warm-up
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How do scientists define them? Planet 1.Orbit only a star 2.Round 3.Dominant object in its orbit Dwarf planet 1.Orbit only a star 2.Round 3.Not dominant object in its orbit Tend to be small Rocky and icy http://www.windows2universe.org/our_solar_system/dwarf_planets/dwarf_planets.html
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Moons 1.Orbit another body (not a star) Asteroid 1.Orbit only a star 2.Irregularly shaped Tend to be small Meteors Meteoroid Meteorite Moons and Asteroids http://en.wikipedia.org/wiki/File:Asteroidsscale.jpg http://starryskies.com/The_sky/events/lunar-2003/planets.moons.jpg
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1.Orbit only a star Large, very elliptical orbits 2.Ball of frozen gas and dust Coma Comets http://14-billion-years-later.tumblr.com/image/16213560898 http://solarsystem.nasa.gov/planets/profile.cfm?Object=Comets
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Orbits a star once every 90,465 days Volume is about 1/200 th the size of Earth Large enough to be relatively round in shape Average surface temperature -229 O C ~5.9 billion km from the a star Elliptical and angled orbit Crosses paths with another object A new celestial body has been discovered! How should this body be classified and why?
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Why is it not a planet? 1.Orbit a star? Yes 2.Round? Yes 3.Dominant object in orbit? NO! NO! What is Pluto? This object is also known as… PLUTO!!!
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STOP
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1.Where do you think the moon came from? 2.Imagine the night sky. How many different ways have you seen the Moon in your life? Draw them! Warm-up 9/29
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Former theories Captured by Earth’s gravity Formed at same time as Earth Collision of small planets Current theory Collision with early Earth Similar material to Earth Age – 4.5 billion years Formation of the Moon Theories http://news.nationalgeographic.com/news/2013/13/130710-moon-birth-impact-science-space-cover/
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Structure Inner core, outer core Solid mantle Crust Gravity Magnetic field Atmosphere Rotation Distance to Earth Reflects sunlight Moon Basics http://en.wikipedia.org/wiki/Internal_structure_of_the_Moon http://www.madpc.co.uk/~peterl/Moon/Craters/Apennines.html
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Complete front of worksheet What is occurring in these phases? What is occurring in these phases? New Full Quarter Between phases Gibbous vs. crescent Waxing vs. waning Waxing vs. waning Name the phasephase Moon Faces… no Phases http://www.moonconnection.com/moon_phases.phtml
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1.How would your mass and weight change if you went to the Moon? 2.What is the current theory on how the Moon was formed? 3.Why do we only see one side of the Moon? 4.Describe how the new moon and full moon are ‘created.’ Warm-up 9/30 & 10/1
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Eclipses Lunar Lunar Why? Which phase?? Solar Solar Why? Which phase? That’s cool! …but… Why don’t they happen all the time!? Earth and its Moon
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Tides! Bay of Fundy Bay of Fundy Earth and its Moon
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Tides! Bay of Fundy Bay of Fundy Big Picture Big Picture Tides vs. Waves High vs. Low 2 tides Where do they occur? Earth and its Moon
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Liquid water Habitable Zone Habitable Zone What can effect HZ? Star – size and temperature Distance from star Size of planet Structure of planet Presence of atmosphere Other source of heat What is needed for life to exist? http://phl.upr.edu/library/notes/summarylimitsofthenewhabitablezone
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Is There Life Out There? Our Solar System (and beyond) Draw a picture of what you think life would look like on another planet, if it existed. Describe why you drew that image.
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1.What is the one thing that is absolutely essential for life? 2.What do you think would be the next thing that would be most important for life? WHY? 3.What are the two hottest parts of the sun’s structure? 4.How does convection work? 5.What do you think is the most interesting thing about the sun? WHY? Solar Quiz
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1.What is the one thing that is absolutely essential for life? 2.What do you think would be the next thing that would be most important for life? WHY? 3.What are the two hottest parts of the sun’s structure? 4.How does convection work? 5.What do you think is the most interesting thing about the sun? WHY? Warm-up: Solar Quiz 2.0 Using your notes…try again!
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Why do humans create models? Provide two examples. Why would it be important for the model to be to scale? What does that even mean? Warm-up 10/30-31
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1.Describe what was found on Mars. THIS IS NOT A ONE WORD ANSWER! Talk about how much, in what form etc… 2.What is one of Curiosity’s main missions on Mars? 3.What did Curiosity find that is bad news for humans? What does this mean for humans going to Mars? QUIZ! HOMEWORK! Write a paragraph (5-8 sentences), in which you construct an argument either in favor or against the U.S. spending money on space exploration. The current budget for NASA is $17.7 BILLION! Should the U.S. continue to fund space exploration? Be sure to provide support for your argument! Use proper spelling and grammar!
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