The Earth is the only planet so far which is known to have life on it and therefore, has a very complex atmosphere. Plants, shrubs, grasses, creepers, and trees all need water to grow. The rotation of the Earth causes the change in day and night. Life on other Planets. Learn about the basic properties of life as well as ongoing debates about the definition of life. Direct link to patricia.quintero's post If viruses are not consid, Posted 7 years ago. Collisions and friction gave rise to mountains and volcanoes, which began to spew gases. Can you think of exceptions or special cases that arent covered by the list? 1), Big Brains podcast:How your brain benefits from music. According to a newer theory, disk instability, clumps of dust and gas bind together early in the solar system's existence. We must strive to save the planet now before it is too late. Landforms are home to plants, animals and insects. For instance, some lists might include movement as a defining characteristic, while others might specify that living things carry their genetic information in the form of DNA. Space is part of Future US Inc, an international media group and leading digital publisher. What the Earth provides us with. The recipe consists of a steady energy source, organic compounds and water. Below is an essay for class 1, 2 and 3 on Earth. Earths surface is traditionally subdivided into seven continental masses: Africa, Antarctica, Asia, Australia, Europe, North America, and South America. Direct link to Nuhaa Fataar's post What are examples of Unic, Posted 5 years ago. Left: unicellular bacterium, with the exterior of the cell cut away to show the multiple layers of the cell and the DNA in its interior. In 1953, UChicago researchers published a landmark paper in the Journal of Biological Chemistry that marked the discovery of the pro-chirality concept, which pervades modern chemistry and biology. They also help in maintaining the cyclical patterns of the monsoons. Credit: discovermagazine.com. Fluid motions in the electrically conductive outer core generate a magnetic field around Earth that is responsible for the Van Allen radiation belts. This is another covering around the Earth which protects the life on the Earth from the Sun rays, different gases and substances present in the space. It is further divided into two parts the liquid outer core and the solid inner core. This all happened 4.7 billion years ago. Paragraph on "Life on other Planets" complete paragraph for Class 9 Some hints come from the oldest zircons, highly durable minerals that formed in magma. Deforestation, building of dams across rivers, clearing of natural habitats of wildlife, as also air and water pollution have all adversely affected the natural equilibrium on Earth, causing threats to all life forms including man. Earth is about 4.5 billion years old. Forests help in maintaining the cyclical patterns of monsoon systems. Direct link to johanna.raun's post Do we know for sure that , Posted 4 years ago. It is during the Proterozoic era that life appeared miraculously in the oceans, and trees started the making of the living world. When land, air and water are polluted, all life forms that inhabit the Earth are in danger. The Surface Area of the Earth is 510,065,600 km2of which 148,939,100 km2(29 29.2 %) is land and 361,126,400 km2(70.8 71 %) is water. Surprisingly, images and evidence gathered in the past few years, confirm the existence of oxygen and water on the planet. Earth's magnetic field is thought to have likely formed around this time. For example, the Northern Hemisphere has its warmest season, summer, when it is tipped closer to the Sun. In 1969, the Murchison meteorite that fell in Australia contained dozens of different amino acidsthe building blocks of life. What is it that defines life? Earth is the planet we live on, one of eight planets in our solar system and the only known place in the universe to support life.. Earth is the third planet from the sun, after Mercury and Venus, and before Mars.It is about 150 million kilometers (about 93 million miles) from the sun. Omissions? Viruses can hijack our cell's DNA to program it to make more copies of the virus. During the other half of the year the North Pole is tilted away from the Sun. Thus, different thinkers have developed different lists of the properties of life. They help in maintaining the water table level. It contains mostly water vapor and the gases nitrogen (77 percent) and oxygen (21 percent). "This is the first model that we know about that you start out with a pretty simple structure for the solar nebula from which planets form, and end up with the giant-planet system that we see," Harold Levison, an astronomer at the Southwest Research Institute (SwRI) in Colorado and lead study author of a paper describing and exploring the model, told Space.com in 2015. All living organisms have "organized" cells. Life on Earth is possible because of the availability of sunshine, air, water and vegetation on it. Ciesla and that colleague, Scott Sandford of the NASA Ames Research Center, published research showing that complex organic compounds were readily produced under conditions that likely prevailed in the early solar system when many meteorites formed. The Centre of the Earth is known as the Inner Core (1300 km in thickness) and is very hot with the temperature of about 4800 C. The team suggested micrometeorites as the materials likely source. As these particles increase in size, the attraction between the molecules increases. On the ocean floor, geothermal energy supplies the chemical nutrients that organisms need to live. If we closely observe the essay lines above, we can see the flow of information. Save The Earth Essay for Lower Primary Class Children The revolution of the Earth causes the change in seasons. Earth is thus our home. We can take little steps like avoiding the use of plastics. Henry, an astronomer at Tennessee State University, Nashville, detected the dimming of the star. Many scientists think that being in this zone, and the presence of liquid water, plays a key role in the existence of life. If there is a disturbance in the climate, there are natural crises and disasters such as floods. While seas and oceans have saline water that cannot be consumed, the sweet water of the rivers, streams and lakes is fit to be consumed. To make this separation, we must come up with a list of properties that are, as a group, uniquely characteristic of living organisms. It is made up of three layers: the core, the mantle, and the crust. Nonliving things may show some, but not all, properties of life. This eventually forms a planet. Please note: Text within images is not translated, some features may not work properly after translation, and the translation may not accurately convey the intended meaning. Earth is the third planet from the Sun in the Solar System.It is the only planet known to have life on it. Planet Earth is the only place where life is found. The oxygen in the air is what we breathe in, and it is what keeps us alive. While Earth is only the fifth largest planet in the solar system, it is the only world in our solar system with liquid water on the surface. This usually occurs in that part of the crust which is slightly weak or thin compared to the surrounding land therefore, easily penetrable. The formation and the physiology of the mountains is very different from that of the plateaus and plains. There are different minerals which are present in the crust which are responsible for the formation of rocks. The land is divided into seven huge pieces called continents. She has a Bachelors degree in English and Astrophysics from Agnes Scott college and served as an intern at Sky & Telescope magazine. What water, chemistry and temperature cycles fostered the chemical reactions that allowed life to emerge on our planet? All About Earth | NASA Space Place - NASA Science for Kids These will also help children write and read out paragraphs in simple words and with small sentences. We start off with the position of the Earth in the Solar System and then come down to the geographical features of the Earth. Image released on July 30, 2014. For instance, your body temperature needs to be kept relatively close to 98.6, Living organisms undergo regulated growth. They also help in keeping the monsoon systems going. There is another phenomenon called as Revolution which is around the Sun. Planet Earth is called the Blue Planet because 71% of its surface is covered with water. Remember the 3Rs Reuse, Recycle and Reduce. Because life arose in the largely unknown surface conditions of Earths early history, answering these and other questions remains a challenge. According to NASA, core accretion suggests that small, rocky worlds should be more common than the more massive gas giants. Antibiotics help but your body does most of it. A good place to start would be what the Earth means to us as humans. We should save the mother earth so that our future generations can live in a safe environment. During this time the northern half of the planet, called the Northern Hemisphere, gets more sunlight than the southern half, or the Southern Hemisphere. Share your ideas in the comments section below! Earth is about 4.5 billion years old. Largest Compilation of Structured Essays and Exams, May 25, 2018 by Manasi Shewale Leave a Comment. Direct link to The knowledge Hunter's post Because, most of the anti, Posted 7 years ago. Landforms such as mountains, hills, plateaus and plains are the four major types of land we see on Earth. Plastic has contributed to pollution of land and water. This process created our solar system's asteroids, comets, planets and moons. We must protect these bounties otherwise life will be threatened. Earth's atmosphere is the right thickness to keep the planet warm so living things like us can be there. Content Guidelines 2. By pollution and environmental degradation, life on Earth is threatened. Earth completes one rotation in 24 hours. Moreover, all of the properties of life we have discussed are characteristic of life on earth. This Moon revolves around the Earth in its own imaginary Axis and is very small compared to that of the size of Earth. Not only that, but the earth also provides us with numerous natural resources such as sunlight, water, air, minerals, and so on. These two leading theories are joined by the pebble accretion theory which helps to additionally explain how different objects might form. Many thousands of life forms including man live on Earth. SAVE EARTH ESSAY 2 (150 WORDS) We do not have any other known planet beside earth in this universe where life is possible. How would you define life? The beginning of our Universe was the Big Bang. Landforms are home to plants, animals and insects. The last ingredient is water. During that 600 million-year window, life may have emerged repeatedly, only to be snuffed out by catastrophic collisions with . The Earth can be studied and written about in many different ways; you can write about it in terms of climate change, species, land formation, water composition and even the formation of the solar system and Earths position in it. Due to many of mans activities there has been a continuous degradation of the Earth, and its resources like air, land and water. While the population of comets and asteroids passing through the inner solar system is sparse today, they were more abundant when the planets and sun were young. They write new content and verify and edit content received from contributors. Disclaimer 8. We hope these paragraphs on Save Earth will help students in completing their school assignments. To explain its presence on Earth, one theory proposes that a class of meteorites called carbonaceous chondrites formed far enough from the sun to have served as a water-delivery system. Because, most of the antibiotics, infect the bacteria through destroying their cell wall. Essay On 'Save The Earth' - 10 Lines, Short And Long Essay For Children Many natural systems that sustain life on Earth have been affected in the process. It's just another example of the care and wisdom God put into creating life and the universe. Earth | Definition, Size, Composition, Temperature, Mass, & Facts Planet Earth facts and information Dense material sank to the . The Earth is unique. It is about 40km in thickness and is only 1% of the Earths mass. Similarly, land has been polluted by dumping garbage from homes, and wastes from industries in landfills. Our planet Earth is a part of the Solar System with the Sun (A star) present at the centre and 8 planets including the Earth revolving around it. Many natural systems that sustain life on Earth have been affected in the process. These chimney-like vents form where seawater comes into contact with magma on the ocean floor, resulting in streams of superheated plumes. Revolution is a phenomenon which is responsible for the different seasons which are observed on the Earth, for example, the major seasons like the Winter and the Summer Seasons. The four major water bodies on Earth are the Arctic, Atlantic, Pacific, and Indian oceans. Antibiotics cannot kill viruses because bacteria and viruses have different mechanisms and machinery to survive and replicate. It is a huge ball of about 12750 kilometres across and 40,000 kilometres in circumference. Global warming and climate change are a consequence of such disturbances. If we do not take strict actions now, we will lose the chance of seeing our future generations flourish forever. isn't DNA like molecules in a chromosomes. Below is a short paragraph on Earth. For instance, if you looked at the wood in a chair under a microscope, you might see traces of the cells that used to make up the living tree. It is a rocky planet that is approximately 12,742 kilometers (7,917 miles) in diameter and has a mass about 5.972 10^24 kilograms, or about 330,000 times that of the moon. It is about 1,800 miles (2,900 kilometers) thick. Earth and its Environment must be Saved from Ecological Destruction. The origin of Earth is a very huge concept to understand but, in a few words, it can be said that the Earth was came into existence from a condensed form of a cloud of gases. Image Guidelines 4. When you purchase through links on our site, we may earn an affiliate commission. Earth is also home to thousands of other life forms. Short Paragraph for Kids on "Earth" Indeed, NASAs working definition that life is a self-sustaining system capable of Darwinian evolution opens the door to many more possibilities than the criteria defined above. The fifth largest planet of the solar system, it has an equatorial circumference of 40,076 km (24,902 mi). The mantle (2840 km in thickness) is present around the core and the magma, and it has a slightly colder temperature in comparison to the Core. It is the only planet in our Solar System which is suitable for sustaining life. Then we would be homeless, and along with all life forms we would perish. Its total surface area is roughly 509,600,000 sq km (197,000,000 sq mi), of which about 71% is water. Mars is also known as the Red Planet and is right next to earth in the solar system. Direct link to Elva Hernandez's post There are five groups of , Posted 7 years ago. 5801 S. Ellis Ave., Suite 120, Chicago, IL 60637, Learn more about breakthroughs pioneered at the University of Chicago, Argonne installs final components of Aurora supercomputer, New College award honors students commitment to service, Commercial fishing policy rebuilding populations, not unduly restricting business, studies reveal. The late-stage phase of planet formation with protoplanets and planetismals is seen in this artist's depiction. (Sorry if this doesnt entirely answer your question). (Grades 5-8) series. The details of those early events are not well preserved in Earths oldest rocks. To share with more than one person, separate addresses with a comma. Earth's layers: Exploring our planet inside and out, Astrophoto of the month: New supernova SN 2023ixf in the Pinwheel Galaxy, Star Wars: Visions season 2 episodes, ranked, Out of this world accommodation: What sci-fi gets right (and wrong) about life beyond Earth, Transformers movies in order: Chronological and release, Virtual Nightmare is the anti-Matrix movie you've never seen, The Native American night sky: 7 starry sights to see, How to photograph SpaceX Starlink satellites in the night sky. It is a huge ball of about 12750 kilometres across and 40,000 kilometres in circumference. The Earth must be protected if life on the planet is to be protected. Earth - Kids | Britannica Kids | Homework Help Reproduction can be either. The Equatorial diameter is around 43 kilometers more than the Polar diameter. The mule looks similar to a donkey and is clearly a living animal, despite the fact that it cannot reproduce. There are both terrestrial creatures that live on the land, and aquatic creatures that live in water. If life is to continue on Earth, the planet must be safeguarded from degradation and destruction. Essay on Save Earth for Children and Students - IndiaCelebrating.com Like carbon and nitrogen, water is much more likely to become a part of solid objects that formed at a greater distance from the sun. Global warming is a phenomenon that is caused by high levels of greenhouse gases in the atmosphere. The Earth is home to the millions of life forms that inhabit it. Direct link to Kaydon Payne's post Hinny is a stallion and a, Posted 7 years ago. Saving trees is therefore very important for our life and the life of planet Earth. Be conscious about overusing and overexploiting resources. Our solar system was formed roughly 8.7 years after the Big Bang. Direct link to harleyqu1's post isn't DNA like molecules , Posted 2 years ago. It is mostly made up of solid rock and minerals. What research are UChicago scientists currently conducting on the origins of life? Earth is a terrestrial planet. The Earth came into existence millions of years ago, and there have been billions of animals and humans that have walked the same Earth as we do now. Our Solar System has eight planets, of which Earth is the fourth. Where do breakthrough discoveries and ideas come from? As more and more vehicles ply on the roads, and industries emit smoke and fumes, the air has got more and more polluted. For young children, we will stick to the very basics in this form of the essay. This website uses cookies to help deliver and improve our services and provide you with a much richer experience during your visit. These planets also quickly reach an orbit-stabilizing mass that keeps them from death-marching into the sun. Every little effort on our part to save the Earth and its environment can make a difference. Direct link to smhpoppy's post In the "Is this the defin, Posted 3 years ago. Find out the origins of our home planet and some of the key ingredients that help make this blue speck in space a unique global ecosystem.. Many of man's activities have caused disturbance to the Earth and its environment. The name Earth comes from the old English and Germanic words that mean the ground. Story Related Activities Designed to Bring the Story to Life and Create Fun Memories. A volcano can give rise to an Earthquake and Tsunamis (if the volcano has erupted in an ocean thus, creating huge waves). Trees and forests are also home to many wildlife species. For example, we can avoid using plastic water bottles. Prohibited Content 3. 1778reviews Earth is the third planet from the sun and the only known celestial body to harbor life. Therefore, it is known as the Blue Planet of our solar system. Water bodies such as oceans, rivers and lakes are homes to aquatic animals like fishes, whales and sea horses. We must protect all life forms, as all life forms together make up the web of life. The Earth sustains life because of the natural resources like sunshine, air water and vegetation available on the planet. It is the third planet from the sun. Similarly, we can plant trees in our neighbourhood. A Food System to Heal the Planet. For instance, in the solar system, we cannot live on a planet like Venus which is very hot, nor can we survive on Neptune, a very cold planet. Gold also bonds more often with metal, so most of it ends up in the Earths core. We are the children of Mother Earth, and it is our duty to save our Earth. What is chirality and why is it biologically important? There is an imaginary line which runs through the equator of the Earth and is called as an Orbit. During the early stages of Evolution, there was a single landmass known as Pangaea. The atmospher. Earth - Simple English Wikipedia, the free encyclopedia And, how do you know if the cells are "organized"? Right: diagram of a human upper body, showing one location where epithelial tissue like that shown in the center panel could be foundthe lining of the mouth. Say goodbye to Europe's Ariane 5 rocket with these stunning final launch photos, Director Valerie Weiss on her engrossing 'Star Trek: Strange New Worlds' courtroom drama (exclusive), Jam packed issues filled with the latest cutting-edge research, technology and theories delivered in an entertaining and visually stunning way, aiming to educate and inspire readers of all ages, Engaging articles, breathtaking images and expert knowledge. Focus on the very basics, as this is for a lower primary class; children arent expected to write in detail. Save Earth Essay for Students in English - BYJU'S What is life? (article) | Intro to biology Earth: Just Right for Life | Answers in Genesis It takes the Earth 23.9 hours to complete one rotation on its axis. I think were going to make huge progress on this question., Earth could have supported crust, life earlier than thought, Earths building blocks formed during the solar systems first, Big Brains podcast: Unraveling the mystery of lifes origins on Earth, Discovering the Missing Link with Neil Shubin (Ep. If you were to burn the wood in a fire, the fire would not be alive either. How did Earth form? | Space Moving on to a slightly longer form of essay, we can start adding in more information and maybe even add paragraphs. The question of what it means to be alive remains unresolved. Do not pollute your surroundings, especially with plastic. Because of this, many definitions of life are operational definitionsthey allow us to separate living things from nonliving ones, but they dont actually pin down what life is. Trees thus also help in keeping the levels of carbon dioxide, a greenhouse gas, in the atmosphere in check. Short Paragraph on Planet Earth - Study Today There are five groups of unicellular organisms: In the "Is this the definitive list?" A similar point is illustrated in this amusing story: a group of scientists had, after much debate, decided that ability to reproduce was the key property of life. Related: Earth's layers: Exploring our planet inside and out. The Earth orbits the Sun, which is the centre of our Solar System. An artistic conception of the early Earth-moon system showing the Earth's surface after being bombarded with large impacts, causing magma extrusion on the surface, though some liquid water was retained. What Is Earth? The sum total of the biochemical reactions occurring in an organism is called its, Metabolism can be subdivided into anabolism and catabolism. The planet earth remained barren and lifeless for four thousand million years. Earth also has the temperature and climatic conditions that we can tolerate. Copyright 10. New York, Future of Earth A visualization of a dusty disk orbiting a young star. When the earth is close to Sun during its revolution, it is called as perihelion which results in greater intensity of solar radiation on the earth surface. How well do the properties above allow us to determine whether or not something is alive? The composition of the Earths surface is 70% water and only 30% land. If antibiotics can't kill viruses, then how do you kill them? As it revolves, it rotates on its axis once every 23 hours 56 minutes 4 seconds. Since the beginning of our existence, we have exploited nature by cutting innumerable trees to build infrastructure and killing animals for food. This wholesome view of our planet did not persist into the next century. Above the Earths Crust is an invisible covering known as the Atmosphere. The destruction of the Earth and its environment has been caused due to many of mans activities. When the earth is farthest to the Sun during its revolution, it is called as aphelion which result in lesser intensity of solar radiation being received at the earth surface. Essay On Earth - 10 Lines, Short And Long Essay For Kids The dog I can hear barking is alive, and so is the tree outside my window. By destroying habitats such as forests and grasslands, and by polluting water bodies, we pose a threat to the life of man and all life forms. FREE guides and worksheets coming your way on whatsapp. The ultimate goal of NASA's exoplanet program is to find unmistakable signs of current life on a planet beyond Earth. Living organisms have many different properties related to being alive, and it can be hard to decide on the exact set that best defines life. It has no atmosphere, and it doesn't have any moons. Also the expression of those genes can vary and some may be changed by factors such as DNA from viruses, or may not be expressed (shown) due to environmental factors. This would suggest that the same process could have seeded life on planets elsewhere in the universe. This has led to an accumulation of greenhouse gases, and warming of the atmosphere. All marine species need water bodies to live in. We can also add sub-heads and paragraph breaks. You are alive, and so am I. Short Paragraph on Planet Earth. Direct link to ReyAnn Haney's post From what I learned recen. So we should respect and maintain everything we get from our mother earth. So far no form of life has been discovered on any other planet or satellite. It is one of four rocky planets on the inner side of the Solar System.The other three are Mercury, Venus, and Mars.. This process, called fertilization, is illustrated in the image at far right. We also create imbalance in the food chain by clearing forest areas. Take a minute to check out all the enhancements! Earth's formation remains a strange, scientific mystery. The 29 % of the land is divided into 7 continents which are Africa, North America, South America, Asia, Australia, Antarctica and Europe; and therefore, is spread all over the planet and is not just a single big mass of land. For example, there are large ice sheets in the Arctic and Antarctic regions. Essay On Earth - 10 Lines, Short And Long Essay For Kids, Key Points To Remember When Writing An Essay On Earth For Lower Primary Classes, Long Essay On Earth In English For Children.
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