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[DOC File]Geology 111 – 50 Lab 1 Relative Time
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Present on Earth. Formed from magma. Form exclusively at or near the surface. May form many kilometers below the surface. Example: Gneiss. Classification of this/these rock type(s) considers texture. Form beds. Can be deposited in running water. May form at a temperature of 500oC . Example: Andesite. May be composed of small grains or crystals
how the world was formed

[DOC File]Chapter 1 Introduction to Earth Science
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The Earth was formed 4.5 billion years ago. Why did life not come into being until 2.7 billion years ago? Carbon dioxide – where did it all go? Give a word equation for photosynthesis. Complete the passage below: In the Earth’s e_____ a_____ there was a large percentage of c_____ d_____.
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[DOCX File]The Formation of Earth
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When Earth formed, it had neither oceans nor atmosphere. Earth became hotter (compression, radioactive materials, meteorites) and iron melted and sank (core) As iron melted, it also melted other materials around it, releasing water and gases trapped in those materials.
how the earth was formed for kids

[DOC File]Geology 110: Earth and Space Science
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Scientists hypothesize that formed from rock that was in a ring around Earth. This ring formed when collided with an object about the size of Mars. 2. Craters form when objects into the surface of another object. a. Light-colored streaks called extend in all directions from some craters. b.
how was the earth made

In Depth | Earth – NASA Solar System Exploration
Earth formed at least 4.53 billion years ago. Gravity pulled material from a nebula of rock, gas, and dust into a spinning disk. The sun formed in the center, and the disk then coalesced into the planets. Young Earth contained seas of magma and had regular asteroid impacts.
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[DOC File]Lesson 2 | Earth’s Moon
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formed by natural processes. inorganic solids. elements or compounds with a chemical composition unique to that mineral. crystal structures; that is the atoms in minerals are arranged in a pattern that is repeated over and over again. Minerals are formed out of molten earth material or magma, or when water containing dissolved ions evaporates,
how was planet earth formed

[DOCX File]blogdebasics.files.wordpress.com
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Earth formed about 4.6 billion years ago. That's 4,600,000,000! If you divided 4.6 billion by 100, then each yard equals 46,000,000 years, and each ten yard section equals 460,000,000 years. Making a Time Line Draw a model of a football field. Starting at the left (4.6 billion years ago) and "moving forward in time," label the 10-yard lines in ...
stages of the earth's formation

[DOCX File]CHAPTER 2
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Astronomers think that the Earth probably formed at the same time as all the other rocky materials in our solar system, including the oldest meteorites. The oldest meterorites ever found on earth contain nearly equal amounts of both uranium-238 and lead-206. Based on Figure 8.16, what is Earth…
how the earth was created

[DOCX File]WordPress.com
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The Earth formed approximately 4.6 billion year ago as a molten ball of rock. There was almost no atmosphere. As the Earth cooled a solid crust formed. There was a high level of volcanic activity. Volcanoes gave out mostly carbon dioxide (CO 2), steam (H 2 O), and small amounts of ammonia (NH 3) and methane (CH 4). There was little or no oxygen in the Earth’s early atmosphere.
how the world was formed

[DOC File]Geologic Time Activity - Cloverleaf Local
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b. formed at the same time as the Earth. c. formed by a collision of the Earth with a Mars size object. d. formed by centripetal force throwing a piece of the earth into orbit. e. made of cheese. 8.The rings of Saturn are primarily composed of _____. a. water ice. b. iron. c. mercury.
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How was the earth formed