(a) I is true; II is wrong Answer: It would be the first of several mass extinctions in Earth's history.Scientists have been looking increasingly to space to explain these mass extinctions that have been happening almost like clockwork since the beginning of \"living\" time. Distinguish between Asteroids and Comets. Maps are served from a large number of servers spread all over the world. Answer: Revolution is the movement of the Earth around the Sun on its elliptical path. Each time a mass extinction occurred, life found a way to come back from the brink. The only celestial body where man has successfully landed _______ Class-6Tamilnadu Samacheer Kalvi Board - Rotation - LearnNext offers animated video lessons with neatly explained examples, Study Material, FREE NCERT Solutions, Exercises and Tests. (d) Uranus, Question 3. Answer: Question 1. Question 3. (a) Mercury It takes sunlight to an average time of 8 minutes and 20 seconds to travel from the Sun to Earth. Statement II: The rotation of the Earth causes seasons. The head of a comet consists of solid particles held together by ice and the tail is made of gases. Earth takes 365 days to complete one revolution around the Sun. Universe is also referred to as the _______, The study of the Universe is called _______, In a galaxy, a huge cluster of stars are held by _______, The nearest galaxy to the Earth is _______, The Sun is made up of extremely hot gases like _______and _______. (a) Share your experience In the class room, Question 4. Geography study materials, test series for tnpsc preparations. Answer: Outer Planets or Jovian Planets , or Gaseous Giants. When day and night are equal throughout the Earth, it is known as _______, farthest position ofthe Earth from the Sun is known as ________, Summer Solstice is the longest day in _______ Hemisphere, The longest day in _______Hemisphere is called as Winter Solstice. The galaxy in which our solar system is found is (d) Uranus Sol, it a Roman word. Mercury does not have an atmosphere and so experiences extremes of temperature. the time taken for one revolution of the Earth around the sun, or the mean time taken by the sun to return to the same position relative to the background of the fixed stars in the sky) Most of the other calendars in India are lunar calendars. Embed the above physical map of Tamil Nadu into your website. (a) Planets Answer: Answer: Solid layer of rocks and soil is found in: A celestial object made up of a head and tail. What is the Rotation? So the age is a theoretical age.When Did Life on Earth Begin?Scientists are still trying to unravel one of the greatest mysteries of earth: When did \"life\" first appear and how did it happen? Answer: The Earth’s revolution not only affects but actually causes the temperature conditions that give us spring, summer, fall and winter seasons. She would have revolved around the Sun 12 times. (b) June 21 (c) 2061 Name the eight planets. (b) I is wrong, II is true (c) 2061, Question 5. Earth. The act of revolving, or turning round on an axis or a center; the motion of a body round a fixed point or line; rotation; as, the revolution of a wheel, of a top, of the earth … (d) Earth Days and nights occur due to Earth's rotation. (b) 2014 Satellites are celestial objects, which revolve around the planets. Pluto, R is a dwarf planet. Rotation is the spinning movement of the Earth on its axis. Find more Tamil words at wordhippo.com! It comesdose to the Earth every 76 years. Maps are served from a large number of servers spread all over the world. Answer: If the Earth weren’t tilted on its axis, there would be no seasons and humanity would suffer. Answer: Enrich your blog with quality map graphics. Globally distributed map delivery network ensures low latency and fast loading times, no matter where on Earth you happen to be. The Sun is at the centre of the solar system. Rotation: Question 3. (a) Venus (b) 2 and 3 The Tamil language has one of the oldest written traditions in all of Asia and boasts a rich body of literary work dating back 5,000 years.The term Tamil may be used to refer to either the Tamil people, found primarily in southern India and northern Sri Lanka, or the Tamil language, the Dravidian language of the Tamil … Answer: Answer: It appears green due to the presence of methane. The revolution speed of the earth … Answer: How many times in a year would you find the Sun overhead if you lived on 20°N Latitude? During these two days the day and night are equal throughout the earth. The first eon in Earth's history, the Hadean, begins with the Earth's formation and is followed by the Archean eon at 3.8 Ga.: 145 The oldest rocks found on Earth date to about 4.0 Ga, and the oldest detrital zircon crystals in rocks to about 4.4 Ga, soon after the formation of the Earth's crust and the Earth itself. (b) Mars None of the inner planets have rings orbiting them. The Tamil calendar is based on the sidereal year (i.e. The only true assumption you can be sure about from this poem is that Tamil people would have known about this fact 2000 years ago. Answer: Answer: Since the Earth is flattened at the poles and bulges at the Equator, geodesy represents the figure of the Earth as an oblate spheroid.The oblate spheroid, or oblate ellipsoid, is an ellipsoid of revolution obtained by rotating an ellipse about its shorter axis. Question 3. Samacheer Kalvi 10th Model Question Papers. Titan,Titan is a moon. Question 1. Question 4. (a) Europa Answer: Question 3. All of the outer plants have rings orbiting them. Answer: Question 6. Answer: I appear once in 76 years. If you could put Saturn In a large enough ocean It would float. Unlike planets Pluto share its orbit with other planets. Did the ancient Tamils know that the planets went around the Sun? The current year is called “Vilambi.” By Thiruvalluvar year, it is 2049 Thi.Pi (After Thiruvalluvar Era) (c) Both the statements are true Answer: (a) Mars It is also an official language in Sri Lanka and Singapore and has additional speakers in … Name the four largest satellites of Jupiter. Statement II : Winter Solstice is the longest day in the Northern Hemisphere. The eight planets revolve in their respective orbits because of the gravitational pull of the Sun. Venus rotates in the opposite direction to all other planets except Uranus. Answer: (i) Lithosphere : The word lithosphere is derived from the Greek word Lithos, which means rocky. (d) 1 only. The heat had been generated by the repeated high speed collisions of much smaller bodies of space rocks that continually clumped together as they collided to form this planet. (a) 1 and 2 Photons emitted from the surface of the Sun need to travel across the vacuum of space to reach our eyes. Priya Is 12 years old. Question 5. Green, (c) Why is it of this colour? (c) Saturn Look at the picture and answer the questions given below, (b) What is the colour of the planet? Uranus, the other three rotate anti-clockwise. Revolution definition Noun. It is estimated that the first life forms on earth were primitive, one-celled creatures that appeared about 3 billion years ago. Answer: Question 2. Answer: (b) I is wrong, II is true (b) 2 and 3 (c) In the Solar System Statement Is Earth is called a watery planet, It is the longest day in the. Samacheer Kalvi 6th Social Science Book Solutions, Samacheer Kalvi 11th Bio Botany Solutions Chapter 12 Mineral Nutrition, Samacheer Kalvi 11th Bio Botany Solutions Chapter 10 Secondary Growth, Samacheer Kalvi 11th Bio Botany Solutions Chapter 7 Cell Cycle, Samacheer Kalvi 11th Bio Botany Solutions Chapter 8 Biomolecules, Samacheer Kalvi 11th Bio Botany Solutions Chapter 11 Transport in Plants, Samacheer Kalvi 11th Bio Botany Solutions Chapter 13 Photosynthesis, Samacheer Kalvi 11th Bio Botany Solutions Chapter 9 Tissue and Tissue System, Samacheer Kalvi 11th Bio Botany Solutions Chapter 4 Reproductive Morphology, Samacheer Kalvi 11th Bio Botany Solutions Chapter 14 Respiration, Samacheer Kalvi 11th Bio Botany Solutions Chapter 15 Plant Growth and Development, Samacheer Kalvi 12th Accountancy Solutions Chapter 6 Retirement and Death of a Partner. Answer: (a) Earth Which of the following planets can float on water? In the very beginning of earth's history, this planet was a giant, red hot, roiling, boiling sea of molten rock - a magma ocean. The hottest planet is not closest of the Sun. Mercury, Earth, Mars, Uranus (d) 2031 (d) Atmosphere. It takes 27 days and 8 hours for its one rotation. Tamil Tigers, byname of Liberation Tigers of Tamil Eelam (LTTE), guerrilla organization that sought to establish an independent Tamil state, Eelam, in northern and eastern Sri Lanka.. (a) 1 and 2 Fortunately, as things are, Earth ‘s tropical zones tend to have minimal temperature, day- length variability over the course of the year. Tamil words for Earth include புவி, உலகம், நிலம், ப? மி and இணை. Earth completes one revolution around the Sun at a time to tilt in solar. East i.e, in the anticlockwise direction we call as the geographic projection distortion less!, perhaps to escape and condense in the adoption of new technologies including! Tamil calendar is based on satellite images taken on July 2004, R a... 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