It is a nearly perfect sphere of hot plasma, essentially, a hot ball of glowing gases. It gives us light so we can see. When that happens it will expand and grow and eventually engulf Mercury, Venus, and Earth. The largest undertaking for exploration of the sun is the NASA Parker Solar Probe. It is, however, larger than most (although not the biggest) and a very special star to us. Mass: 333 thousand times the mass of Earth Diameter: 109 times the diameter of Earth Temperature: 5,500 degrees C (10,000 degrees F) on the surface Distance from Earth: 150 million kilometers (93 million miles) Age: 4.5 billion years What is the Sun like? Without the Sun there would be absolutely no life on Earth. The sun does have a kind of thin solar atmosphere. Explore more poetry like this: Wild World. I have merged the Hamilton planning (available from Hamilton Trust) with Primaryupd8 lessons which fit well (and added a little bit of creativity). This KS2 Science quiz is all about our solar system. This is the place where most of the radiation from the sun escapes outward. The sun is held together due to gravitational attraction that produces an intense temperature and pressure at the core. Subscribe to NASA on iTunes! Many people are aware of harnessing solar energy to create power, but the Sun is also the main cause of the weather patterns and air currents we experience on our planet. Our sun is the “star” of our solar system and as such, some worshipped it as a god. Every sun has a birth, lifespan and a death. Temperatures in the convective zone reduce to 3.5 million degrees F/2 million degrees C, and this is where large bubbles of soupy ionized atoms called hot plasma begin to move upwards. The ancient Romans took much of their culture from the Greek and as their empires progressed they worshipped a number of sun gods. In its composition, the sun needs to satisfy two critical conditions. Scientists have long held discussions on the exact size needed but it’s believed that it needs to be around 80 times the mass of our planet Jupiter. The exception to this is during solar eclipses, when the moon covers the photosphere and the chromosphere appears as a red rim around the sun, and the corona forms a lovely white crown. Most of the sun is made up of helium and hydrogen. While we might think of our sun as absolutely huge, it is an average size when compared to other stars. The lesson is on how the tilt of the Earth, when it's orbiting the sun, gives us our seasons. The Sun is 109 times wider than the Earth and 330,000 times as massive. The difference is distance -- the other stars we see are light-years away, while our sun is only about 8 light minutes away -- many thousands of times closer. There are no moons around the sun nor does the sun have any rings. The Sun is fundamental to our life on Earth. An introduction to the Sun and its role in our galaxy. The sun also contains negligible amounts of oxygen, silicon, neon, carbon, magnesium, nitrogen, sulfur, and iron gases. The Sun is all the colours mixed together, this appears white to our eyes. Mercury, named after a Roman god, is 36 million miles away from the sun and 48 million miles from Earth. Energy that is being created in the sun takes millions of years to travel from the core inside and make its way to the surface of the sun. Scientists have indicated that our sun has gone through around half of its lifecycle and will continue to shine for an additional 6.5 billion years before it eventually shrinks and becomes a white dwarf star. Many civilizations gave credit to the sun for survival, food, and warmth. She looks upon the earth below With smiling eyes and cheeks that glow, If you don't have a pending eclipse to wow your students with, you can have them create a model of the sun, the earth and the moon and perform their own eclipse. Helios’ crown was said to be a sunbeam burst, and each day he would drive his chariot of the sun across the sky that was drawn by fire-breathing-horses. Rating: Share This Poem. This solar nebula rotated and created a gravity that was so intense that it collapsed. The sun is a star, just like the other stars we see at night. Oddly, the temperature of the sun’s atmosphere increases with altitude. A circular path? Gravity is what gives celestial bodies their circular shape and with such powerful gravity, our sun is the closest thing in nature to being a perfect sphere. Looking at the sun you wouldn’t think that it’s moving but it’s actually traveling through space at 220 km per second. This is the area above the photosphere where we find the tenuous chromosphere and the crown or “corona.” Through the use of specialized equipment we can view this area to see solar flares and sunspots. The Sun is one of the millions of stars in the solar system. The Sun’s surface area is 11,990 times that of the Earth’s. However, it is due to the energy from the sun that life on Earth is possible. We started by singing 'The sun has got his hat on' then did different activities through the Powerpoint like taking it in turns to be the sun and the earth moving around it, and trying on different sunglasses and hats. The sun is not conducive to allowing life as we know it to exist, adapt, and thrive. Read on for a range of interesting facts about the Sun. The sun formed more than 4.5 billion years ago, when a cloud of dust and gas called a nebula collapsed under its own gravity. Resources to Teach Young Students about the Sun. The biggest stars in the universe are the red giants and the smallest ones are red dwarfs. Objective Students will be able to: 1. So it’s a good thing that our sun is the right size to have a longer life. An explanation of how the Sun is the main source of energy for all life on earth. http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=283424434 We look at the sun rising every day. It will eventually run out of energy and begin to die.eval(ez_write_tag([[580,400],'planetsforkids_org-box-4','ezslot_6',187,'0','0'])); When that happens it will enlarge to a size that is so big that it will engulf Mercury, Venue, and probably Earth as well. However, in doing so, they replaced the Greek word for sun, Helios, with the Latin root work of “Sol.” One of the most powerful Roman sun gods was Sol Invictus, which translates to “Unconquered Sun.”. I have also used this powerpoint when teaching Unit 44 Astronomy on the BTEC Level 3 in Applied Science. When that happens it will expand and grow and eventually engulf Mercury, Venus, and Earth. At its centre the temperature is 15 million degrees centigrade. We have carried the name “sol” forward to today as it represents anything related to our sun, including our solar system. As time passed the name of Helios began to be associated with the god of light, Apollo, however, most Greeks maintained them as separate gods. During the winter, the North Pole is tilted away from the Sun's rays. The process of nuclear fusion is when two lighter atomic nuclei fuse together to create an atomic nucleus that is heavier. A unit plan on space and the earth, moon and sun. It can reach as high a 3.5 million degrees F/2 million degrees C. Scientists don’t know why or what causes the coronal heating condition.  The sun rotates on its axis once every 25.38 Earth days or 609.12 hours. A continuous reaction generates energy, some of which we receive as light and other forms of radiation. So the sun goes round and round Spreading sunshine on the ground! That means that there could be over 1 trillion stars that are similar to our sun in the universe. All rights reserved. The planets in our solar system are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. The Sun’s diameter is around 109 times the size of Earth’s, and you could fit the Earth inside the Sun about 1,300,000 times. The Sun is our main source of light. When this alteration occurs the corona and the chromosphere change from being calm and somewhat quiet to activity that is violent. It takes our sun 225-250 million years to complete an orbit around the Milky Way galaxy. Our sun’s surface is between 5,027-5,727 degrees C. In examining our Milky Way galaxy, scientists think that there are nearing seven billion stars that are similar to our sun. Here are some fantastic facts about the Sun that you can teach your KS2 students:It takes 8 minutes for light from the Sun to reach the Earth.Directly looking into the Sun for too long can damage your eyesight.The Sun is around 4.5 billion years old.The surface temperature of the Sun is around 5500 degrees Celsius.It is around 865,000 miles wide. Once our sun begins to expand it will eventually become a red giant star. NGSS Standard: MS-ESS1.A-1 Patterns of the apparent motion of the sun, the moon, and stars in the sky can be observed, described, predicted, and explained with models. The closest star to Earth, it’s the source of all the heat and light that makes flowers bloom, songbirds croon, and sunbathers swoon.Life wouldn’t exist without it. A stationary dot? Enjoy these fun Sun facts for kids. It continued to spin fast and faster and then flattened into a disk-shape. Since the sun rotates, the stream of particles blows out in a spiral that is called the “Parker Spiral.” When these electrical particles slam into planets and other celestial objects it can cause damage unless stopped or veered off by atmosphere, magnetic fields, or both. It takes 87.96 Earth days for Mercury to revolve around the sun, faster than … Recent Comments. Around every 11 years the magnetic polarity of the sun’s geographical poles change. The ancient Greeks thought that the sun was a handsome god that they named “Helios.” He was the son of the Titans Hyperion and Theia, and brother to the moon goddess Selene and goddess of the dawn, Eos. Officially, the sun is classified as a G2 type star, based on its temperature and the wavelengths or spectrum of light that it emits. The classification of a star isn’t based on size but instead it relates to the surface temperature. eval(ez_write_tag([[728,90],'planetsforkids_org-large-leaderboard-2','ezslot_10',192,'0','0'])); It’s the energy that is created at the core that acts as the engine that powers the sun and makes all of the light and heat that is emitted from the sun. At its centre the temperature is 15 million degrees centigrade. The Sun is fundamental to our life on Earth.  What would the sun look like in that combined image? Like other stars, our sun is basically a large ball of gas that is 91% hydrogen and 8.9% helium. The magnetic field of the sun is incredibly powerful and can create magnetic storms and solar flares that interfere with our satellites and electronic equipment on Earth. These occurrences are due to the irregularities that are within the magnetic field of the sun and they can release intense quantities of particles and energies. A powerpoint that follows the first 4 lessons of Edexcel Astronomy GCSE covering: the structure of the Sun; sunspots; solar cycles; and, the solar spectrum. The solar system The core’s temperature is about 27 million degrees F/15 million degrees C. This is hot enough to continue the constant state of thermonuclear fusion, a process where atoms combine to create larger atoms and in that process they release huge amounts of energy. videos. ©2002 Gareth Lancaster. The two elements in play are the heavy helium and the lighter hydrogen. That's everything which orbits the Sun, including the planets - Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Pupils could then go on to conduct research projects on our Solar System, the order of the planets from the Sun and their orbits. Our sun’s rotation is opposite of the rotation of the Earth. The sun has temperatures inside that can reach 15 million degrees C. It is the smallest planet in the solar system, with a diameter of 3,031 miles.  At its core, the sun’s temperature is about 15 million degrees Celsius (about 27 million degrees Fahrenheit). Many children automatically relate to the sun as a smiling face, so this poem introduces personification to them using this idea. Find out more in this Bitesize Primary KS2 Science guide. Our solar system is in the Milky Way galaxy and located in an outer spiral arm. All The Sun is composed of hydrogen (70%) and Helium (28%). It is a huge ball of very hot gas. In the sun’s core the hydrogen atoms fuse to create helium. Learn how hot the Sun is, how long it takes light from the Sun to reach Earth, what the Sun is made of and more. It also gives out dangerous ultraviolet light which causes sunburn and may cause cancer. Our sun will continue to shine for around 130 million more years and then it will stop burning its hydrogen and begin to burn helium. Gordon Williamson explains why. The sun's heat also creates a vast amount of energy on our planet, in fact, pretty much all energy created and used on Earth derives from the sun in one way or another. Oddly enough, it makes a ‘figure 8’ pattern, known as the Sun’s analemma. Our sun is made up of two main gases: hydrogen and helium and is referred to as a “sequence star.”. Jupiter is a gas giant made up of the same gasses as our sun. Our sun has been the center of attention for humankind throughout the ages. How you can tell the time of day from shadows cast by the Sun. The sun started to form and take shape at the time the solar system was also forming. While a majority of our sun may be gas it does have six distinct regions: the core, the radiative zone, and the convective zone in the interior, the visible surface, called the photosphere; the chromosphere; and the outermost region, the corona. The sun’s mass is around 70.6% hydrogen and 27.4% helium. Neither. The sun is a G2 Yellow dwarf star and is around 4.6 billion years old. In 2019 it successfully completed a second close approach to the sun, called the “perihelion,” passing within 15 million miles and traveling at 213,200 mph. As he traveled he would deliver sunshine throughout the world and then repeat his rounds every morning after Eos created the new dawn. May also be useful for EYFS or Y1. The Sun is a yellow dwarf star at the center of our Solar System. A lesson for year 5 on their topic for this term: Earth and Space. Nuclear reactions at the core of the Sun create energy in the form of heat and light. Our sun has a diameter of 864,340 mi/1.39 million km, and that’s 110 times the diameter of the Earth. The tops of these areas have visible light that is normally too weak to be viewed against the intensely bright photosphere. KS2 Examples given include how the sun makes cars able to function and why crisps are a product of the sun. When talking about stars, it’s important to remember that the larger the star, the shorter its life will be. Read about our approach to external linking. eval(ez_write_tag([[300,250],'planetsforkids_org-medrectangle-1','ezslot_11',176,'0','0']));report this ad. Want more? This very simple sun poem is great for teaching personification to children. It takes around 8 minutes from the moment that it leaves the sun to reach our planet. During the second perihelion the spacecraft sent back data indicating that the craft was operating well and collecting scientific information. Explain the movements of the Earth, moon and sun by developing models Time Required: 90 minutes There are changes between the distance of the Earth and sun but we don’t really notice them due to the elliptical orbit path of the Earth. We can only see the surface of the sun through the use of very specialized equipment. Heavy helium and hydrogen spiral arm in play are the red giants and the rest is helium. 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