At one point, most of the surface of the Earth was covered in water, but underneath, the crust was broken into pieces. When they do this, they are considered to be a planet, an astronomical object that orbits a star and does not shine with its own light. It wasn't until the evolution of bacteria a few billion years later that the atmosphere contained oxygen. The formation and evolution of planet Earth is a scientific detective story that has taken astronomers and planetary scientists a lot of research to figure out. credit-by-exam regardless of age or education level. Slowly, the grains of matter come together to form clumps, then boulders, and eventually balls big enough to have their own gravity coalesce. Top School in Newport News, VA, for an IT Degree, Top School in Dayton, OH, with Information Technology Degrees, Top School in Cleveland for an Information Technology Degree, Top School in Lexington, KY, for an IT Degree, Life Skills Training and Educational Programs: Helping to Make Strong Communities Through Social Services, California Elementary School Combines Reading Encouragement with Business Writing, Associate in Applied Science (AAS): Paralegal Studies Degree Overview, Rethinking Open Online Learning: A Conversation with Jim Groom. What regularly hit the earth for the first 600 million years of existence? - Definition, Symptoms & Treatment, How to Find Classroom Grants for Teachers, Mechanical Engineering Scholarships for High School Seniors, Common Core Standards in Rhode Island (RI), Tech and Engineering - Questions & Answers, Health and Medicine - Questions & Answers. It has a molten layer, which causes volcanoes to occasionally erupt, and the crust of the planet is constantly moving, sliding over, under, and sideways against itself. As Earth cooled more, the water vapor formed droplets in the clouds, and it started to rain. It cooled so much that ice sheets called glaciers covered the planet. The water was all fresh at first but eventually became salty as chemicals from the Earth's crust were mixed in. | {{course.flashcardSetCount}} - Definition & Formation, What Is Bronchiectasis? 300 lessons Sciences, Culinary Arts and Personal Eventually, the planetesimals grew larger by colliding and combining with other bodies of matter. Not sure what college you want to attend yet? How much of the earth originated from volcanoes? After watching this lesson, you should be able to: To unlock this lesson you must be a Study.com Member. In this lesson, the theory of how the planet Earth formed will be discussed.

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Earth formed this way about 4.6 billion years ago and was mostly done in about 10-20 million years, although it still continues to change to this day. Solar systems and the planets within them form from the spinning disks of matter. She has taught science at the high school and college levels. What do scientists call this period of time?

Earth is the third planet, counting outward from the Sun, and the beginning stages of its life were violent.

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- Definition, Anatomy & Complications, What Is Croup? Over time, Earth changed to what we see today, with a life-sustaining, oxygen-containing atmosphere, our abundance of water, and moderate temperatures that are conducive to life. {{courseNav.course.mDynamicIntFields.lessonCount}} lessons How do you think the formation of Earth was similar to that of other planets in the solar system, and how may have it been different?

During the first eons of Earth's life, it was under continuous bombardment by meteorites and comets.

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To learn more, visit our Earning Credit Page. All other trademarks and copyrights are the property of their respective owners. Anyone can earn Try refreshing the page, or contact customer support. All rights reserved. Do College Credits Transfer Out of the Country? This includes looking at how it differentiated into three layers, how it formed its atmosphere, water, and land features, and how it continues to evolve today. This is how Earth differentiated into three layers. Some of the planetesimals began to orbit the main star, our Sun. The liquid material settled over the core to form the mantle. The Milky Way, was formed in a perfectly ordinary place in the universe in the normal way. Log in or sign up to add this lesson to a Custom Course. What will happen to Earth and the universe in a million years? You can test out of the 26 chapters | succeed. Light from the Sun broke down the ammonia, which released nitrogen into the atmosphere. The water vapor that was in the atmosphere condensed and formed clouds. Already registered?

Over time, the Earth cooled, and heavier elements sank to its core.

As the Earth cooled more, a solid crust formed over the liquid middle, much like the crust forms on a pan of brownies while the middle is still molten. Flashcards - Real Estate Marketing Basics, Flashcards - Promotional Marketing in Real Estate, Effective Discussion Questions for the Classroom, ACT Compass Writing Essay Test: Practice & Study Guide, College Algebra Syllabus Resource & Lesson Plans, OSAT Physics (CEOE) (014): Practice & Study Guide, GACE Health & Physical Education (615): Practice & Study Guide, Glencoe Chemistry - Matter And Change Chapter 21: Hydrocarbons, AP Environmental Science - Human Impact on the Environment: Tutoring Solution, Quiz & Worksheet - The Space Race's Impact on Education in the US, Quiz & Worksheet - Types of Shapes of States, Quiz & Worksheet - Margaret Thatcher Life & Impact, Quiz & Worksheet - Central Tendency Measures, Quiz & Worksheet - Napoleonic Civil Code of 1804, Common Psychodynamic Treatments: Free Association, Therapist Interpretation, and Catharsis, What Is Osteogenic Sarcoma? Neither was our solar system. The Earth is still changing even today. These bombardments helped shape the planet and brought water in the form of ice.

An error occurred trying to load this video. Did you know… We have over 200 college Earth back then was very different from Earth now, and it would have been impossible for life to exist on it. Professors and Copyright Experts Urge Academics to Reclaim Fair Use. It was made of rock, different compounds, and dense elements, like solid and liquid iron.

As Earth cooled and contracted, the heavier material moved to the center of the Earth to form the core. Online Teaching Certification Programs in Maryland, Top University in Dallas with a Business Finance Degree, Online Masters in Engineering Management in Florida, Part-time Masters in Computer Science in California, Atomic Structure & Fundamentals of Matter, Animal Reproduction, Growth and Development, Phylogeny and the Classification of Organisms, College Chemistry: Homework Help Resource, Introduction to Nutrition: Certificate Program, UExcel Science of Nutrition: Study Guide & Test Prep, What is a Drumlin? credit by exam that is accepted by over 1,500 colleges and universities. Quiz & Worksheet - What is Risk Exposure? - Definition, Causes, Symptoms & Treatment, What Is Bronchoscopy?

© copyright 2003-2020 Study.com. flashcard sets, {{courseNav.course.topics.length}} chapters | The crust broke open in places, letting water vapor and other gases escape to form an early atmosphere. Describe what the Earth looked like when it first formed? Quiz & Worksheet - Theories on the Formation of the Earth, Over 79,000 lessons in all major subjects, {{courseNav.course.mDynamicIntFields.lessonCount}}, Evidence for the Big Bang Theory: Background Radiation, Red-Shift and Expansion, Star Formation: Main Sequence, Dwarf & Giant Stars, Types of Telescopes: Radio, Reflecting & Refracting Telescopes, Galaxy Formation: Spiral, Elliptical & Irregular Galaxies, Types of Stars by Size, Color and Life Cycle, Inner Planets of the Solar System: Mercury, Venus, Earth & Mars, Planetary Predictors of Extraterrestrial Life, Outer Planets of the Solar System: Jupiter, Saturn, Uranus, Neptune, Dwarf Planets of the Solar System: Pluto, Eris, Haumea & Ceres, Asteroids, Meteorites & Comets: Definitions and Characteristics, CLEP Natural Sciences: Study Guide & Test Prep, Biological and Biomedical Services. At this point, these clumped matter are called planetesimals, which just means a small, irregular-shaped body formed by colliding matter. Plus, get practice tests, quizzes, and personalized coaching to help you Select a subject to preview related courses: As the Earth cooled even more over time, it formed a primitive atmosphere. Create your account. When the universe began, around 10 billion years ago, Earth wasn't around.

(keep in mind aerobic, anaerobic respiration and the amount of ATP produced). As the planetesimals grew larger, their gravity was greater, and they collected even more matter. flashcard set{{course.flashcardSetCoun > 1 ? first two years of college and save thousands off your degree. Amy holds a Master of Science. Get the unbiased info you need to find the right school. Create an account to start this course today. Pressure and heat from the molten interior of the planet pushed solid portions above the water to form land. - Definition, Symptoms & Treatment, Quiz & Worksheet - Epithelial Tissue Diseases, Quiz & Worksheet - Function of the Diaphragm, Quiz & Worksheet - Function of Mesophyll Cells, Quiz & Worksheet - Characteristics of Metaplasia, Ethical and Political Processes of the Environment, CPA Subtest IV - Regulation (REG): Study Guide & Practice, CPA Subtest III - Financial Accounting & Reporting (FAR): Study Guide & Practice, ANCC Family Nurse Practitioner: Study Guide & Practice, AACN Acute Care Clinical Nurse Specialist - Adult Gerontology (ACCNS-AG): Study Guide & Practice, Factors Impacting Early Childhood Development & Learning, College Student's Guide for Minimizing & Managing School Stress During COVID-19, Top 50 K-12 School Districts for Teachers in Massachusetts, Education Trends During Coronavirus: Private, Community and Virtual Learning Pods, Pros and Cons for Schools Reopening Amid Coronavirus Concerns, High School Student's Guide for Minimizing & Managing School Stress During COVID-19, Movement Education: Curriculum Model & Activities, Not-For-Profit Revenue Recognition for Contributed Services: Calculation & Records, Fall Risk Assessment: Definition, Purpose & Process, Subledger & General Ledger Reconciliation for Property, Plant & Equipment, Quiz & Worksheet - Analyzing a Writer's Argument, Quiz & Worksheet - Mesopotamian Trading & Transport. The Earth continues to change today through plate tectonics, greenhouse gas emissions, and other natural and human-made conditions. The solar system formed from a large, rotating cloud of interstellar dust and gas called the solar nebula. just create an account. The solid crust was covered with active volcanoes that spewed out gases like water vapor, carbon dioxide, and ammonia that add to the helium and hydrogen from the original solar nebula.

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