our universe for class 6

So the area of space we now see is billions of times bigger than it was when the Universe was very young. Planet is a Greek word which means, Wanderer. Our Universe contains 176 billion (one billion = 100 crores) constellations (group of stars) and each constellation includes hundreds of billion stars. 1. It is because of this angle of inclination of 23 ½ degrees that we have the four seasons. It’s mind-blowing to think that there’s literally an entire universe out there just waiting to be explored, and most of us don’t know a thing about it. Jupiter is tilted on its axis at 3.1° and has more than 60 satellites. Its one rotation on its axis is completed in 24 hours, 37 minutes and 23 seconds while its revolution against sun takes 687 days. These celestial bodies revolve round the sun in anti-clockwise direction. It revolves around the sun in anti-clockwise direction and completes one revolution in 12 years. About 99.85% mass of solar system lies with sun only whereas planets constitute – 0.135%, comets – 0.01%, satellites – 0.00005%, dwarf planets – 0.000002%, shooting stars – 0.0000001% and inter planetary medium consists of 0.0000001% of the rest of mass. All the other planets rotate around their axis from West to East. The light we see from the most distant galaxies has traveled approx- imately 10 billion years to reach us. Humankind has been benefitted extremely by manmade satellites in fields of telecommunications, weather forecasting, geological activities and atmospheric activities among other fields. Completing its rotation on its axis in 10 hours and 41 minutes, it makes one revolution around Sun in 29.5 years. The spacecraft that reached in the orbit of Mars is named 440 Newton Liquid Apogee Motor (LAM). Image Guidelines 4. Course topics include: the ingredients of life, the origin of life on Earth, life beyond Earth, exobiology, and the search for intelligent life in the universe. GEOGRAPHY CLASS: 6 CHAPTER 1 The earth in our solar system. The universe is space where all the planets, Stars, Galaxies, comets Black holes etc are found. Before uploading and sharing your knowledge on this site, please read the following pages: 1. No one knows the exact size of the Universe, because we cannot see the edge – if there is one. Situated some 1,431 million kilometers (More than 143 crore km) away from Sun, it is constituted of iron and nickel principally. Copyright 9. • Proxima Centauri. 1. The Universe, Solar System, and Planets I Questions: ... portion of the sky with the Hubble Space Telescope reveals that the universe is filled with galaxies- many just like our own. It completes its revolution around Sun in 88 days while takes 58 days and 16 hours to complete its one rotation on its axis. Temperature at photosphere of sun is only 6000° Kelvin while ends of chromospheres experience it 10 thousand degree. Q1. Continuous winds blow at the surface of sun at speed of 800 to 900 kilometer per second and these may prove dangerous for Earth at times. This shower is known as Orionid Meteor Shower. These are actually meteorites. We can group these planets in two, that is:­. Just click on the black box to view answers of each MCQs of our Solar System and Universe. It is designed by scientists to gather information about the universe or for communication. They can repeat the lessons as many times as required. Actual distance varies from 221,457 to 252,712 miles. It would take a modern jet fighter more than a million years to reach the nearest star to the Sun. Uploader Agreement, Essay on the Earth: Structure and Gradients | Solar System | Geography, The Best Essay on Lithosphere | Earth | Solar System | Geography, Tidal Hypothesis of James Jeans | Tides| Geography, Essay on the Universe | Hindi | Geography, The Big Bang Theory | Hindi | Universe | Geography, International Tourism in India: Introduction, History, Trends, Opportunities and Future, Forestry: Definition, Branches, Costs, Programme and Conclusion | Geography, Contribution of Russia to World Geography (In Hindi), French Scholars and their Contribution to Geography in Hindi. Constituted of gases, Uranus has coldest atmosphere as compared to all the planets and has an average temperature of 223°C. Also known as sister planet of Earth, Venus resembles to it in shape, size and gravity. One can see a streak of star light in the sky sometimes, it gives an impression that any part of star has broken away. • Sun. Download Our Universe worksheet for class 5 CBSE Printable Worksheets with solution. Prepared by teachers of the best CBSE schools in India. They neither have atmosphere nor light of their own but due to reflection of sunlight, they look illuminated. • … Sun’s light is very strong so, we should avoid looking at the sun directly as it could damage our eyes. Let’s find out. The solar system which is part of Milky Way galaxy is in disc-shaped spiral form. 1.2 Review: The Scale of the Universe; 1.3 Spaceship Earth; 1.3.1 How is Earth moving in our solar system? It is a collection of galaxies. Our mother planet’s name has not been derived from Greek or Roman language but from old English and Germanic. The planet consists of around 900 full circles and various incomplete arcs. Most of the satellites are unknown for mankind as far information about them is concerned. Prohibited Content 3. The universe consists of galaxies, planets, stars, meteorites, satellites and many other things. Venus lies nearly 1082 million kilometers away from Sun. That is why it is called ‘Veiled planet’ also. Home > Class 2 Science Our Universe. Indian Museum at Kolkata is known for preserving remains of meteors. Satellites are of two types, manmade and natural. The water bodies cover 70 percent of the Earth. 1.3.2 How is our solar system moving in the Milky Way Galaxy? Moon is natural satellite of our Earth. Users can download and print the worksheets on class 5 EVS Our Universe for free. The Earth rotates around its own axis that tilts at around 23 ½ degrees. These rings are made of frozen ice and rocks. This topic explains the contents of universe such as planets, galaxies, stars, constellations, comets, meteoroids.This is a product of Mexus Education Pvt. A part of Arizona desert in U.S. is known to have come into form due to striking of some meteor. Ncert solution class 6 Social Science includes textbook solutions from part 1 and part 2 and part 3 NCERT Solutions for CBSE Class 6 Social Science have total 29 chapters. My children are unable to cope with the pace of topics being taught in class. Travelling at the speed of light (300,000 km per second), it would take 100,000 years to cross our Milky Way galaxy alone. Natural satellites rotate on their axis also. Galileo founded Mercury in 1631 which has no satellite. The matter which can be seen is spread over a space at least 93 billion light years across. 2. Sun rotates round its axis from West to East. My child is interested in learning only some subjects. Our learning system helps your children learn at their own pace. Parts of meteorites that remain unburnt and reach our Earth in small parts are named as meteorites. Here is an essay on ‘ Our Universe’ for class 6, 7, 8, 9, 10, 11 and 12. The sun looks yellow from earth. The universe is a huge space which contains everything that exists. ★ The Moon’s diameter is 2160 miles (3476 km). Our Sun is a star, one of perhaps a trillion stars in the Milky Way Galaxy.The galaxy itself is one of countless galaxies in the universe. Download NCERT Book for Class 6 Geography (Chapter - 1, 2, 3, 4, 5, 6, 7, 8) The Earth Our Habitat and prepare for CBSE Class 6 Geography exam 2020-21. It does not have atmosphere of its own and is engulfed by blasts taking place because of Sun. Sun –Star of the Solar System • It ‘s the heaviest among solar system • It is a ball of hot ,burning gases. Answer: Sun. Top 50 Questions About Universe and Universe History: In this post you can read 50 questions answers about Universe many factors like; Planet, Satellite, Asteroid, Black hole, Galaxy, Nebula, Solar-System, Star formation, Space and Space Missions, Universe History and recent activities & launches in astronomical science world those are most important and also very useful for any … Many layers of clouds are found on Uranus. It is around 3,84,403 kilometers away from Earth and takes 27.3 days to complete its revolution around Earth. ★ The Moon’s gravity is 1/6 that of Earth. Outer planets are beyond asteroids and are constituted of gases, popularly known as Gas Giants. Saturn is the second largest planet in our solar system. Situated nearly 14.96 crore kilometers away from sun. The sixth from sun and second largest planet in solar system is Saturn. The natural bodies in the sky are called celestial bodies or heavenly bodies. • Alpha Centauri. One rotation of sun takes 25 days (of Earth) if observed from the equator while if we observe it from its poles, each rotation of sun takes 36 days. The Universe is huge and possibly infinite in volume. As far its rotation on axis is concerned, it has similarity with Earth and it supports various seasons also. Pluto (Earlier know as ninth planet, was declared dwarf in August, 2006). These rocky bodies are numerous and most of these are concentrated between Mars and Jupiter. Mercury 1.2.6 How big is the universe? Tail is never towards sun facing side of comet and shines with rays from Sun. Report a Violation 10. Start studying The UNIVERSE Grade 6. Normally looking pale, this spherical ball of fire has 13 lakh multiples more volume than that of Earth and 3.25 lakh times more weight. Plagiarism Prevention 5. Mars is a cold planet which has thin atmosphere. When we look at the sky, we see different kinds of natural bodies like the sun, the stars, the moon, and so on. The Universe is incredibly huge. Universe consists, constellation, in which Sun exists, is so big that from the core of constellation, light takes around 27 thousand years to reach up to sun. There is only one Universe and everything that exists in this Universe itself. Travelling at the speed of light (300,000 km per second), it would take 100,000 years to cross our Milky Way galaxy alone. Its atmosphere is also quite different to that of other planets as it consists of 77% Nitrogen and 21% Oxygen which gives it a name of ‘blue planet’. Speed of winds on this planet is 250 meters per second while it is tilted at 97.77° on its axis. It is a gas giant with an average radius of about nine times that of Earth. The Universe is incredibly huge. At corona this temperature varies from 10 lakh Kelvin to 50 lakh Kelvin. Account Disable 11. Once you end the test or the test duration gets completed, you will not be able to edit any of the answers. Without the sun, life is not possible on earth. The atmosphere of Saturn is mainly composed of Winds blow at speed of 2100 kilometers per hour in the atmosphere of this planet. Interactive Science Activities. Earth is only planet where life exists. Manmade satellites are made of aluminium or plastic and are hardened with help of carbonic sheets. Science-Our Universe: Questions 1-7 of 39. Get to the point NSTSE (National Science Talent Search Exam- Unified Council) Class 1 questions for your exams. On April 21, 2013 a meteor shower was observed in many parts of the world in which more than 20 shooting stars were seen within an hour. 4. Content Guidelines 2. Head of comet is 16 million kilometers in diameter and is followed by cloud of misty substance looking like a tail. This planet is not only smallest one but also lies closest to Sun. It is commonly defined as the the totality of everything that exists or is known to exist. Terms of Service 7. In the solar system, Earth is the fifth largest of the planets. Halley’s Comet was seen in 1910, then in 1986 and next it shall be sighted in 2062. NCERT Solutions Class 6 Social Science Geography Chapter 1 The Earth in the Solar System. This 5 week course consists of 12 lessons. Their study has concluded that meteors are made of metals like iron, nickel, aluminium, oxygen and tin. It would take a modern jet fighter more than a million years to reach the nearest star to the Sun. Printable Worksheets makes perfect. Here on AglaSem Schools, you can access to NCERT Book Solutions in free pdf for Social Science Geography for Class 6 so that you can refer them as and when required. ★ The Moon is the fifth largest satellite in our Solar System. The quantum of such produced energy may be imagined from the fact that fusion produced energy in one second is more than as much mankind has used on Earth till date. In the absence of sun our earth would be just a ball of ice coated rock. India fired its first satellite named Arya Bhatt in 1975 and since then, we have sent more than 75 satellites into the orbit. This fusion is continuous process on the surface of Sun. ... All contents provided by us are based on best of our knowledge. Sunwww.makemegenius.com Free Science Videos for Kids 7. Mars is only planet other than Earth which has ice-caps on its poles which have been named as Planum Boreum (North Pole) and Planum Australe (South Pole) or Southern Cap. Since then, the Universe has been expanding outward at very high speed. Namely these planets are; Mercury, Venus, Earth & Mars. All we do know is that the visible Universe is at least 93 billion light years across. The word comet is derived from Latin word ‘Stella Cometa’ which means ‘hairy star’. Here is an essay on ‘ Our Universe’ for class 6, 7, 8, 9, 10, 11 and 12. Situated approximately 4,498 million kilometer away from Sun, it completes one rotation its axis in 16 hours and a revolution around sun in 164.8 years. The rotation of sun was observed by Galileo first of all. These celestial bodies were part of sun earlier and are made of frozen gases, ice and small rocky substances. Inner planets are those planets which are nearer to sun as compared to others. This is seventh planet of our Solar System and third largest planet. However, even places far from stars and planets contain scattered particles of dust or a few hydrogen atoms per cubic centimeter. There are various dwarf planets in our solar system, out of which only five have been recognised. This fusion gives birth to energy. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Biggest such museum in Asia, it has 468 meteor parts. (A light year is the distance light travels in one year – about 9 trillion km.). Here we have given Rajasthan Board RBSE Class 6 Social Science Chapter 1 Our Universe. … There are nine rings around Saturn which from three arcs around it. Nearest star to the Earth. light and heat), magnetic fields and high energy particles (e.g. Neptune resembles to Uranus as seen in the Solar System. Having two satellites, Mars is placed around 2279 lakh kilometer away from sun. Five of them namely Ceres, Pallas, Vesta, Hypiea and Euphrosyne have been recognised. Rajasthan Board RBSE Class 6 Social Science Chapter 1 Our Universe These get attracted towards Earth because of gravity of Earth. So here are some amazing facts about Earth that everyone should know: 1. Satellites are actually celestial objects that revolve around some other celestial object. Find paragraphs, long and short essays on ‘Our Universe’ especially written for school and college students. Essay on Our Universe: Definition, Stars and Solar System! Their total number was 5,186 in August, 2014. These are too smaller than planets of Solar System but bigger than Asteroids. Its swift rotation gives rise to winds at the speed of 1800 kilometers per hour. The planets do not have any light of their own but these illuminate by reflecting sunlight and are visible at night. The universe (Latin: universus) is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy.While the spatial size of the entire universe is unknown, it is possible to measure the size of the observable universe, which is currently estimated to be 93 billion light-years in diameter. It includes living things, planets, stars, galaxies, dust clouds, light, and even time. Revolving round sun in anti-clockwise direction, it completes one revolution in 84 years while for completing one rotation around its axis, it takes 10 hours and 48 minutes. English scientist Edmond Halley founded it and it was therefore named Halley’s Comet. Its size is 63 multiples bigger than earth but in weight it is only 14.5 multiples than that of Earth. Temperature of sun is 50 lakh degrees Kelvin (one Kelvin is equal to one degree on Celsius scale). When these enter the atmosphere of Earth, burn out immediately and vanish in shape of ash most of times. The Universe contains billions of galaxies, each containing millions or billions of stars. It has around 62 satellites and biggest among them is Titan which is almost double the size of Moon. According to International Astronomical Union (IAU) biggest among Inner planets, Earth is only planet which has Geological activity taking place in its core. Gravity of Sun is 28 times more than that of earth and black spots visible on sun are actually very powerful magnetic regions. 6. This on-line course explores the history of life on our own planet and the possibility for life elsewhere. Galaxies themselves are collected together into clusters and superclusters that make up what astronomers call the "large-scale structure of the universe". Scientists believe it began in a Big Bang, which took place nearly 14 billion years ago. This tail is also lakhs of kilometer long. Neptune has 13 satellites while Triton and Neried are two main satellites. Solar storms disturb communication system on Earth. our planet - earth by : abha arora Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. cosmic rays). The Earth is the third planet from the sun and it is the fifth largest planet in the solar system. CBSE Class 6 Geography Worksheets - The earth in our solar system - Practice worksheets for CBSE students. NCERT Solutions For Class 6 Social Science Geography Chapter 1 - The Earth in the Solar System NCERT Book Solutions Class 6 Chapter 1 Earth is the third planet from the sun and the only planet to have an atmosphere containing free oxygen, oceans of water on its surface and life. 3. The NCERT Solutions to the questions after every unit of NCERT textbooks aimed at helping students solving difficult questions. General_science_(solutions) Solutions for Class 6 Science Chapter 16 The Universe are provided here with simple step-by-step explanations. Pressure of gaseous material on its centre is 200 billion multiples more than the pressure of air, Earth experiences while density of gases is 150 times more than that of water. About them is Titan which is 10 to 30 multiples more than 75 satellites into the orbit around sun! Also moving further apart as the space between the Earth and second largest in... Earth by: abha arora Slideshare uses cookies to improve functionality and performance, and even.. Spread over a space at least 93 billion light years across average radius of about nine times of. Provided here with simple step-by-step explanations 5 CBSE Printable worksheets with solution one degree on Celsius Scale ) and are... On Earth years across means, Wanderer their own but due to reflection of sunlight they... Which can be seen is spread over a space at least 93 light... Having two satellites, Mars is placed around 2279 lakh kilometer away from Earth and the for. 50 lakh degrees Kelvin ( one Kelvin is equal to one degree on Celsius Scale ) frozen ice rocks... Outward at very high speed think you ’ ve got a decent knowledge of the answers known have. Multiples bigger than Asteroids options out of which only five have been recognised ; 1.3 Spaceship Earth 1.3.1! Call the `` large-scale structure of the Universe is a Greek word which means ‘ hairy star ’ them of! 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Times bigger than it was therefore named Halley ’ our universe for class 6 comet rotation round its own that!

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