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Name:__________________ The weather is _________________ Date: Today is __________________________________________ The Universe is a large and unimaginable expanse of dust, gas, stars, clouds, galaxies and life. Photovideo:http://www.youtube.com/watch?v=Mlg3ihngelg In the Universe we can find different groups of stars. A star is a bright object made of very hot gases, so the star sends heat and light. Groups of stars form Constellations and Galaxies. Constellations are a group of stars. These stars are connected like a 'dot-to-dot' puzzle. If you use your imagination, the constellation form a picture. People gave names to the constellations according to these pictures. The most important constellations are: Orion is a hunter with a Ursa Major and Ursa Minus, Orion, Andromeda, Pegasus, and Zodiac Constellations.sword and a Astronomers use constellation to locate stars. shield Activity 1: Dot – to – dot puzzle. Match and discover the constellation Ursa Major (the Great bear or the Big Dipper) You can see all of these constellation in the night sky but, depending on the month and the part of the planet where you are in. Sky Map: http://www.kidsastronomy.com/astroskymap/constellations.htm Galaxies. There are thousands of Galaxies. One is The Milky Way. The Milky Way is our galaxy. In every galaxy there are millions of stars, so in a galaxy we can find lots of solar systems. The main star in every solar system is called Sun. Activity 2: What's this? Choose and make sentences. Universe - Galaxy - Star - Constellation - Solar System A b c d e A Picture A is a _____________________________________________ B ____________________________________________________________ C ____________________________________________________________ D _____________________________________________________________ E _____________________________________________________________ Activity 3: True or False T F There are just one galaxy in the universe.......................... The Milky Way is a galaxy..................................................... In every galaxy there are one star...................................... The sun orbits around the planets....................................... A Constellation is a group of stars ….................................. A star is a rocky object …...................................................... Activity 4: Art Crafts. Make your own Star Finder Activity 3: Computer Time! Puzzle: Make 'The Whirlpool Galaxy' http://www.esa.int/esaKIDSen/SEM6RS161YF_ga.html Name:__________________ The weather is _________________ Date: Today is __________________________________________ The Solar System contains 8 planets and its satellites, 2 dwarf planets, comets, asteroids, gas and dust that orbit around the Sun. The Sun is the main star in the solar system and produces gravity which atracts all the other objets towards it. Activity 1: Can you name the eight planets of our Solar System? Find them in the wordsearch and write them in the right order. The first planet is _____________ The second planet is ___________ The third planet is _____________ The fourth planet is ____________ The fith planet is _____________ The sixth planet is ____________ The seventh planet is __________ The eighth planet is ___________ The first four planets in the solar system are called The Inner Planets. The Inner planets are Rocky planets. They are small planets. The other 6 planets are called The Outer Planets. The outer planets are bigger. They are Gaseous planets. They all have rings and lots of moons (satellites) Between the Inner and the Outer planets is the Asteroids Belt. Computer time!: Take a look to your Solar System and learn more: http://www.kidsastronomy.com/solar_system.htm cuanto pesas y cuantos años tienes en los otros planetas http://www.nasa.gov/audience/forkids/kidsclub/flash/clubhouse/Astro- Matic_3000.html (aquí dicen las principales caracterisicas de cada planeta cuando lo juegas) http://www.nasa.gov/audience/forkids/kidsclub/flash/index.html The Solar System is made up of dust, gas, asteroids, comets and all the planets that orbits around The Sun. There are 8 planets in the solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. There are more planets. These planets are called Dwarf Planets because they are too small. Pluto and Eris are dwarf planets. PLANET HEROES Meet these friends. They are from different planets. First learn about their planets and then guess who's the one who live in each planet. http://www.fisher-price.com/fp.aspx?st=5481&e=solarlab Juego: llevar con la nave hasta jupiter sin chocarse con los cristales y los asteroides http://www.fisher-price.com/fp.aspx?st=5483&e=activity&gamecode=turbo_shuttle THE PLANETS The rocky planets The four planets closest to the Sun are: • Mercury • Venus • Earth • Mars These are called the 'rocky' or 'terrestrial' planets. They are small by planetary standards and made of similar materials to the Earth. The gas giants The next four planets are: • Jupiter • Saturn • Uranus • Neptune They are known as the 'gas giants'. They all have rings and lots of moons. The gas giants are made up mostly of hydrogen, helium, frozen water, ammonia, methane, and carbon monoxide. The Dwarf Planets The International Astronomical Union redefined the term planet in August 2006, so Pluto is now classified as a dwarf planet. There are two other dwarf planets in the solar system, Ceres and Eris. What Is The Solar System? The Solar System is made up of all the planets that orbit our Sun. In addition to planets, the Solar System also consists of moons, comets, asteroids, minor planets, and dust and gas. Everything in the Solar System orbits or revolves around the Sun. The Sun contains around 98% of all the material in the Solar System. The larger an object is, the more gravity it has. Because the Sun is so large, its powerful gravity attracts all the other objects in the Solar System towards it. At the same time, these objects, which are moving very rapidly, try to fly away from the Sun, outward into the emptiness of outer space. The result of the planets trying to fly away, at the same time that the Sun is trying to pull them inward is that they become trapped half-way in between. Balanced between flying towards the Sun, and escaping into space, they spend eternity orbiting around their parent star. How Did The Solar System form? This is an important question, and one that is difficult for scientists to understand. After all, the creation of our Solar System took place billions of years before there were any people around to witness it. Our own evolution is tied closely to the evolution of the Solar System. Thus, without understanding from where the Solar System came from, it is difficult to comprehend how mankind came to be. Scientists believe that the Solar System evolved from a giant cloud of dust and gas. They believe that this dust and gas began to collapse under the weight of its own gravity. As it did so, the matter in this could begin moving in a giant circle, much like the water in a drain moves around the center of the drain in a circle. At the center of this spinning cloud, a small star begin to form. This star grew larger and larger, as it collected more of the dust and gas that were collapsing into it. Further away from the star that was forming in the center were smaller clumps of dust and gas that were also collapsing. The star in the center eventually ignited forming our Sun, while the smaller clumps became the planets, minor planets, moons, comets, and asteroids. A Great Storm Once ignited, the Sun's powerful solar winds began to blow. These winds, which are made up of atomic particles being blown outward away from the Sun, slowly pushed the remaining gas and dust out of the Solar System With no more gas or dust, the planets, minor planets, moons, comets, and asteroids stopped growing. You may have noticed that the four inner planets are much smaller than the four outer planets. Why is that? Because the inner planets are much closer to the Sun, they are located where the solar winds are stronger. As a result, the dust and gas from the inner Solar System was blown away much more quickly than it was from the outer Solar System. This gave the planets of the inner Solar System less time to grow. Another important difference is that the outer planets are made up largely of gas, and water, while the inner planets are made up almost entirely out of rock and dust. This is due to the same reasons. As the outer planets grew larger, their gravity had time to accumulate massive amounts of gas, water, as well as dust. The Solar System Has Over 100 Worlds It is true that there are only eight planets. However, the Solar System is made up of over 100 worlds that are every bit as fascinating. Some of these minor planets, and moons are actually larger than the planet Mercury. Others, such as Io have active volcanoes. Europa has a liquid water ocean, while Titan has lakes, rivers, and oceans of liquid Methane. You can read more about these amazing worlds by clicking here. The Asteroid Belt, The Kuiper Belt, And The Oort Cloud You have probably heard about the Asteroid Belt. This band of asteroids sits between the orbits of the planets Jupiter and Mars. It is made up of thousands of objects too small to be considered planets. Some of them no larger than a grain of dust, while others, like Eros can be more than 100 miles across. A few, like Ida, even have their own moons. Further out, beyond the orbit of the minor planet Pluto sits another belt, known as the Kuiper Belt. Like the Asteroid Belt, the Kuiper Belt is also made up of thousands, possibly even millions of objects too small to be considered planets.

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