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science core curriculum guide
science core curriculum guide

... What does the term “relative” mean? What does it mean to be radioactive? Sample Multiple Choice Question: Geologists found rocks that contain parts of animals which lived in the sea. They were found in layers of the Earth beneath dry land. What does this tells them about the geological history of th ...
(1 point
(1 point

... gather clues about the Earth’s _____________________, by studying ___________________ and ___________ that are exposed at Earth’s surface. b) Waves: A wave travels _______________________ in solid rock than it does in a liquid. c) Geologists measure seismic waves, produced by _____________________ a ...
N.HW101
N.HW101

... Temperature. As you travel beneath Earth’s surface, the surrounding rock is cool. Then at about 20 meters down, the rocks get warmer. For every 40 meters that you descend from that point, the temperature rises 1 Celsius degree. This rapid rise in temperature continues for several tens of kilometers. ...
WGCh2Notetaking
WGCh2Notetaking

... a. The ____________________________________ is an area of high volcanic and earthquake activity along the Pacific Rim. Volcanic Eruptions 1. Volcanoes are mountains formed by lava or by _________________________ that breaks through the Earth’s crust. a. Volcanoes often form plate boundaries where on ...
No Slide Title
No Slide Title

... • Rivers and streams carry water to and from larger bodies of water • Tributaries are smaller rivers, streams that feed into larger ones • Drainage basin—area drained by river and its tributaries ...
What Caused Layers to Form?
What Caused Layers to Form?

Layers of the Earth and Atmosphere
Layers of the Earth and Atmosphere

... You will use a strip of calculator tape to complete a scale of the layers. Color the layers as indicated next to the name. On the scale, use 1 cm to equal 100 km. that means a layer that is 1200 km thick would equal 12 cm. (If a layer is less than 100 km use a part of a cm.) On this scale 10 km woul ...
Main Idea 2
Main Idea 2

... to make one rotation, or complete spin on its axis. • As Earth spins, different parts of the planet face the sun, thus causing the changes from day to ...
Chapter 2
Chapter 2

... to make one rotation, or complete spin on its axis. • As Earth spins, different parts of the planet face the sun, thus causing the changes from day to ...
Gluep-Honors
Gluep-Honors

... Introduction: The interior of the Earth is complex. While it is made of 3 major layers, some of these layers can be subdivided or grouped into regions. The mantle of the Earth, and more specifically the asthenosphere, is a unique substance. Its composition is different from that of any other layer o ...
Section 1 Earth`s Structure - Midway Middle School Science
Section 1 Earth`s Structure - Midway Middle School Science

... Alfred Wegener (VAY guh nuhr), a scientist, studied these puzzle pieces. In the early 1900s, he wrote about his hypothesis of continental drift. Continental drift is the idea that a single large landmass broke up into smaller landmasses to form the continents, which then drifted to their present loc ...
8.3 Destruction from EQ 8.4
8.3 Destruction from EQ 8.4

... of the destruction was caused by fires that started when gas and electrical lines were cut. ...
Unit 1 Notes File
Unit 1 Notes File

... New text, pages 5 - 6 ...
PTYS/ASTR 206 – Section 2 – Fall 2004 Activity #1: 8/25/04
PTYS/ASTR 206 – Section 2 – Fall 2004 Activity #1: 8/25/04

... The purpose of this activity is to go over material covered both in class and in the textbook. This is an ACTIVITY, so feel free to discuss these with one or two of your neighbors. You must turn in your own work. You decide how much the question is worth! You can choose each number (4, 3, 2, 1) only ...
Climate Change - Shawlands Academy
Climate Change - Shawlands Academy

... and back again, when it is elliptical some areas will be nearer the sun than they were and some further away, so some will be hotter, others colder. ...
The most obvious feature on the Moon`s surface are its many craters
The most obvious feature on the Moon`s surface are its many craters

... The most obvious feature on the Moon’s surface are its many craters. Most of the Moon’s craters are round, implying that they were formed from impacts by high-speed meteoroids. Craters include features such as central peaks, collapsed terrace walls, and ejecta blankets. ...
Van Allen radiation belt
Van Allen radiation belt

... at a depth of 2900 km, or in other words, the mantle extends to 2900 km; its composition is probably fluid rock. This is based on the velocity of the waves, mass of the Earth and other lines of evidence. As humans have studied, and know how these various body waves travel through different substance ...
Physical Properties of Earth`s Layers
Physical Properties of Earth`s Layers

... spread throughout Earth in all directions, and subtle changes in the speed or direction of these waves indicate differences in the physical structure of Earth’s interior. In fact, studies of earthquake waves helped scientists discover that Earth’s outer core is liquid. Earthquakes release two types ...
Document
Document

... © Hedgehog Learning ...
File
File

... project well (in Russia) was the deepest well ever drilled into the Earth. It took 24 years, and it is less than 13 kilometers (about 7.6 miles) deep.  This is less than halfway through Earth’s crust.  The furthest humans have traveled is 3.5 km (about 2.2 miles) in mines in South Africa to extrac ...
Slide 1
Slide 1

... evidence for Earth’s round/spherical shape. Also, which is best? Earth’s ________ shadow on Moon (during lunar eclipse) is curved. Ships ___________________________________________ disappear over the horizon from bottom  top (due to curve of Earth). Circumnavigated (sailed around) the Earth –______ ...
Geology 101
Geology 101

GeologyIntroduction - University of Hawaii
GeologyIntroduction - University of Hawaii

... • Significant difference between the continents and ocean basins is their relative levels ...
The Earth
The Earth

... D. Close of the Hadean – a Transition to the Archean (~4 B years ago) Fall off of debris impacts as planets swept most of debris On Earth, stabilization of liquid water Build up of crustal fragments (protocontinents) Note: probably when life first arose E. Structure of the Solid Earth – Differentiat ...
8th grade science materials - A Teacher`s Portfolio by Layne C. Smith
8th grade science materials - A Teacher`s Portfolio by Layne C. Smith

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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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