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Check for Understanding- Objective 1 ANSWER KEY
Check for Understanding- Objective 1 ANSWER KEY

... e. Modern Humans appear: 200,000 years ago 5. Describe the composition of early Earth’s atmosphere. Today, Earth’s atmosphere is composed of mostly nitrogen and oxygen. The atmosphere of early Earth was primarily composed of helium and hydrogen. 6. What is extinction? How has extinction impacted lif ...
Earth: An Ever changing planet
Earth: An Ever changing planet

... Haden Eon 4.6-3.9 BYA • So hot that the rock was molten & Water was vapor • Lifeless, little O2 in the atmosphere • Relative to a calendar year: • Jan 1st – Feb. 25th ...
Reading Study Guide A - Middletown Public Schools
Reading Study Guide A - Middletown Public Schools

... crust thin layer of rock that surrounds Earth lithosphere the crust and the very top of the mantle together asthenosphere a layer of hot, soft rock in the upper mantle tectonic plate large and small rock slabs that make up the lithosphere ...
the course overview
the course overview

... We will investigate the features and interactions between bodies in the solar system and their impact on the existence of life. We examine the following topics: - The formation and composition of the solar system. - Properties of the Earth that protect life from hazards. - Compare Earth with other o ...
Bill Nye: Crusts
Bill Nye: Crusts

... 3) Have we ever been able to drill through the crust? ...
study guide for module #6
study guide for module #6

... 1. Define the following terms: a. Earth’s crust b. Sediment c. Sedimentary rock d. Igneous rock e. Metamorphic rock f. Plastic rock g. Earthquake h. Fault i. Focus j. Epicenter 2. Scientists often separate the earth into five distinct sections. Name those sections. 3. Of the five sections listed in ...
File - Ms. Oakes Science
File - Ms. Oakes Science

...  Summarize the structure of the Earth, including the layers, the mantle, and core based on the relative position, composition, and density.  Explain how crustal plates and ocean basins are formed, move, and interact using earthquakes, heat flow, and volcanoes to reflect forces within the earth.  ...
Inside the Earth
Inside the Earth

... B. A Tectonic Plate Close-up Many tectonic plates not only consist of the upper part of the mantle but also consist of both oceanic crust and continental crust. C. Like Ice Cubes in a Bowl of Punch Tectonic plates “float” on the asthenosphere. The plates cover the surface of the asthenosphere, and t ...
U 8 Synopsis
U 8 Synopsis

... recorded in written documents. That meant that only events in human history after the invention of writing (about 5,000 years ago) could have absolute dates; and only a small number of them. Then, in the 1950s, a whole series of new techniques were developed for assigning absolute dates to events be ...
Reinforcing Key Concepts
Reinforcing Key Concepts

Ola Ka Honua: Volcano Fact Finder
Ola Ka Honua: Volcano Fact Finder

... Ola Ka Honua: Volcanoes Alive! Fact Finder I. Hawaiian Legends 1. What are … a) mo‘olelo? ___________________________________ b) Pele? ______________________________________ c) caldera? ____________________________________ 2. What is a science theory? ___________________________ ____________________ ...
File
File

... o Magma rises and lowers, creating___________________________  3. Outer Core o ________________________________________  Flowing iron produces Earth’s _________________________  4. Inner Core – o Hottest Layer  Solid iron-nickel sphere  Solid due to ____________________________________ Lithosph ...
What is the Earth made of?
What is the Earth made of?

... rocks are formed; and then we will look at how rock is taken from the earth, by quarrying, and the effects of this on the people and the environment. After that we will look in a bit of detail as to what and how changed the shape of the earth’ surface. Having established the what and the how, we wil ...
Sydni
Sydni

... Earth: The earth’s gravity is six times more than the moon’s. Moon: The moon’s gravity is six times less than the earth’s. The moon’s gravity also causes the tides on earth. Sun: The sun’s gravity keeps all of the planets in ...
Name ______ Science Period ______ TEST Review Quarter 2
Name ______ Science Period ______ TEST Review Quarter 2

... __________________________ than the layer above it and _______________________________ then the layer below it. 4. The fossils of organisms that were widely distributed but only lived during a short period of time are called _________________________ fossils. 5. Index fossils useful to geologists be ...
section - SCHOOLinSITES
section - SCHOOLinSITES

... Up the air that we breathe • Nearly all of these gases can be found within the First ________ above the Earth’s surface ...
Lab Activity: Earth`s Layers - Leigh
Lab Activity: Earth`s Layers - Leigh

Wind Patterns
Wind Patterns

... Wind Patterns on a Spherical Earth At the same time, cold air is flowing from the poles to the equator.  By the time the air reaches 60º, it has warmed enough to begin to rise again.  The result, three distinct closed patterns of air ...
6th Grade Earth Science – Inside Earth Vocabulary 1. crust – the
6th Grade Earth Science – Inside Earth Vocabulary 1. crust – the

... 4. asthenosphere (convecting mantle) – the soft layer of the mantle on which the lithosphere floats 5. outer core – a layer of molten iron and nickel that surrounds the inner core of the Earth 6. inner core – a dense sphere of solid iron and nickel at the center of the Earth 7. magnet – a material t ...
The Earth is Moving Big Book
The Earth is Moving Big Book

Earth Science - Gilbert Public Schools
Earth Science - Gilbert Public Schools

... • Longitude – the vertical lines running north/south, but measuring east/west • Measured in degrees from 0 longitude- called Prime Meridian to 180o known as The Int’l Date Line. • http://geographyworldo nline.com/tutorial/pract ice.html ...
Chapter 1 Study Guide – Introduction To Earth Science 1. For a
Chapter 1 Study Guide – Introduction To Earth Science 1. For a

... 17. According to the theory of plate tectonics, _____________________ forces such as volcanism and mountain building receive energy from Earth’s interior. 18. Earth as a system is made up of many ___________________ that interact. 19. A(n) ________________ is a group of interacting parts that form a ...
Plate Tectonics “I Can” Statements:
Plate Tectonics “I Can” Statements:

Slide 1
Slide 1

... Resistance to flow. • How can viscosity be changed. • 1. Adding Heat • 2. Adding Water • This will become extremely important when studying volcanoes. ...
LAB # 14 STRUCTURE OF THE EARTH
LAB # 14 STRUCTURE OF THE EARTH

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History of geodesy



Geodesy (/dʒiːˈɒdɨsi/), also named geodetics, is the scientific discipline that deals with the measurement and representation of the Earth. The history of geodesy began in antiquity and blossomed during the Age of Enlightenment.Early ideas about the figure of the Earth held the Earth to be flat (see flat earth), and the heavens a physical dome spanning over it. Two early arguments for a spherical Earth were that lunar eclipses were seen as circular shadows which could only be caused by a spherical Earth, and that Polaris is seen lower in the sky as one travels South.
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