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Download The Sun`s Energy Study Guide Module 16 • The sun is the to the
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Transcript
The Sun’s Energy Study Guide Module 16 • • • • • • • • • • • • • • • • • The sun is the _____________________________ to the earth. It provides earth’s adequate heat for life to exist Temperature= ____________________ Kelvin (K). This is about 9,600 degrees ___________________________(F) The sun is a ______________________ star It is composted mostly of the gases ______________________________________________ The earth is about 5,000 Km and you could fit 100 _____________________________ across the sun and over a 1,000,000 earth’s _____________________ the sun to equal it’s size! The sun obtains it’s energy through a process called Nuclear __________________. Nuclear fission powers _______________________________________. Nuclear fission means _________________________________________________________________________________________ . ________________________ and __________________________ can be used for nuclear fission. Nuclear is about ________________________________________________________________________________________. Fusion releases enormous amounts of ____________________. Photosphere= This is considered the __________________________ of the sun Sunspots= _______________________ that appear on the surface on the surface of the sun. They appear darker because they are ____________than the surround areas • Sunspots occur in an ______________ year cycle Chromosphere= The chromosphere is the layer above the photosphere. It appears as a ________________________ glow around the sun and is almost transparent. Corona= Which means crown is the outermost layer of gases that surround the sun. It is only seen during a ________________________________. • These layers are not seen normally because of the _______________ of the photosphere Besides sunspots there are a few other really interesting features that occur on the sun including: • _____________________= a steam of charged particles moving away from the sun at around 400 km/sec • Solar Prominences= Huge a___________________ (loops) of glowing gas that extend ___________________ from the sun’s surface • Solar Flares= ______________________ occurring on the sun. Solar flares often occur near sunspots. • Coronal Mass Ejections (______________) = massive burst of solar wind and magnetic fields that is released into __________________________. Solar Flares and Coronal Mass Ejections depending on the strength can actually impact ___________________. Earth has a protective magnetic field that • • • • • • • • • • ________________ us from some activities in space, however, sometimes things disrupt and get through the magnetic field. • Can cause damage to Earth orbiting _____________________ • Can affect radio ___________________________ and even electricity • Cause ________________________to be seen on earth (Northern Lights) Our seasons are impacted by two factors: • _________________________________________ • _________________________________________________________________________ Earth travels around the sun in an __________________________ pattern so our distance from the sun is ____________________ what causes our seasons Our earth is tilted at __________________degrees this is what causes our seasons • Summer is warmer than winter (in each hemisphere) because the Sun’s ray hit the Earth at a more _______________________ angle during summer than winter. • Days are also much _________________________ during the summer and _________________________during the winter Solstice= occur twice a year (______________________________________________) • Occurs when the tilt of the earth’s axis is pointed directly towards or ___________________ from the sun • Winter solstice = occurs around Dec 21 and is the __________________________________of the year • Summer solstice= occurs around June 21 and is the ______________________________ of the year Equinoxes occur _____________ a year as well (vernal and autumnal equinox) • Day light is ______________________to night • Vernal equinox occurs around March 21 (Spring) • __________________________ equinox occurs around September 21 (Fall) All organisms need _________________________ to survive. Some make their own energy while others have to obtain or ____________________ to get their energy. Plants get their energy through a process called _______________________________ Photosynthesis = process of absorbing energy from _____________________________ to make food (sugar) _____________________________________________________________________ (equation for photosynthesis) Keep in mind Photosynthesis _____________________ sunlight. Plants absorb sunlight and _________________________. Turn it into sugar and release ________________________ as a waste product.