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Horizontal 1. Earth`s innermost layer, which is mostly iron and
Horizontal 1. Earth`s innermost layer, which is mostly iron and

Earth Science - Center Grove Schools
Earth Science - Center Grove Schools

... 4. Your scale is 1:20,000,000 (one to twenty million), or 1cm = 200km. The Earth has a radius of about 6371 km. Hence, your “Slice” will be 63.7cm ÷ 2 or 32cm, or one 20 millionth as large as the Earth. 5. Make a mark on the “crust” which is 32cm from the “Center of Earth” mark. See Figure Above. 6. ...
File
File

Keynote Solid Earth: Imaging Earth`s interior
Keynote Solid Earth: Imaging Earth`s interior

... (4D)? A multi-disciplinary approach where gravity is a major contributor within a global system view ...
(Honors Physics) Universal Law of Gravitation
(Honors Physics) Universal Law of Gravitation

... If the weight of a classroom Physics textbook is 42 N, what is the books mass? If the textbook in question #5 was taken to the Moon, would its mass and/or weight change? Complete the following table for these objects “g” is the force of gravity per kilogram (N/kg) Weight is the force of gravity (N) ...
Inside Our Earth
Inside Our Earth

... What are the main parts of Earth’s Structure? ● Three main layers of Earth are the crust, the mantle, and the core. ● These layers vary greatly in size, composition, temperature, and pressure. ● Pressure results from a force pressing on an area. The temperature and pressure inside Earth increase wi ...
Reading: Inside the Earth (pages 96-102)
Reading: Inside the Earth (pages 96-102)

... 1) Create a T-chart like the one on next page. 2) In left column, write the main ideas you want students to learn after reading text. 3) Leave right column for students to fill in details/examples. Reiss, Jodi (2009). 102 content strategies for english language learners: Teaching for academic succes ...
Practice Questions 1) 2) 3) 4) 1. Which pie graph correctly shows the
Practice Questions 1) 2) 3) 4) 1. Which pie graph correctly shows the

... 2. Base your answer to the following question on the cross section below and on your knowledge of Earth science. The cross section shows the general movement of air within a portion of Earth’s atmosphere located between 30° N and 30° S latitude. Numbers 1 and 2 represent different locations in the a ...
Planetary Science
Planetary Science

... • One week later, the Sun and Moon at at right angles with the Earth, and tidal variation is small: Neap Tides. • Solar Tides are about 1/3 Lunar Tides. ...
Concept Review
Concept Review

Unit F Chapter 1 Test
Unit F Chapter 1 Test

... What accounts for the difference in density between oceanic and continental crust? Earth’s layers, lithosphere, asthenosphere ...
Chapter 23 - msdiehlapbiology
Chapter 23 - msdiehlapbiology

... contributes to our understanding of changes in life on Earth. • Evidence for endosymbiosis. • How continental drift can explain the current distribution of ...
Jeopardy
Jeopardy

... The square of a planet’s orbital period is proportional To the cube of the planet’s mean distance from the sun ...
science ch 9 earths changing surface sg
science ch 9 earths changing surface sg

Unit 3 Review Questions
Unit 3 Review Questions

... 20. How do densities and temperatures of the Earth’s layers compare? a. The density and temperature increases as you move from the surface inside b. The density increases while temperature decreases as you move from the surface ...
Sensitivity on Earth Core and Mantle densities
Sensitivity on Earth Core and Mantle densities

200 300 400 500 100 200 300 400 500 100 200 300 400 500 100
200 300 400 500 100 200 300 400 500 100 200 300 400 500 100

... It is the theory that Earth’s surface cracked into plates millions of years ago and these plates have been moving and shifting ever since. ...
The Rift Valley of African Plate in Elasto
The Rift Valley of African Plate in Elasto

Unit 1 Density and Connections PowerPoint
Unit 1 Density and Connections PowerPoint

... instruments to be accurate. A scientific instrument is any tool that you can use to make measurements or additional observations.  Examples: hand lens, electronic balance, triple-beam balance, graduated cylinder ...
Earth`s Inner Layers Quiz
Earth`s Inner Layers Quiz

L23_gravity
L23_gravity

journey 05 - Auburn High School
journey 05 - Auburn High School

... The study of seismic waves allows scientists to “see” inside the earth. Scientists have discovered that seismic waves • refract • reflect • change velocity • and become absorbed by various parts of the Earth’s interior ...
Our Changing World
Our Changing World

... • Rocks provide the best record of Earth’s history • Most rocks form in layers as bits of gravel, sand, and mud pressed together • These are known as sedimentary rocks • These preserve a rough record of the past ...
The Rock Cycle - WNMS8thScience
The Rock Cycle - WNMS8thScience

... What is the difference between P and S waves? What is the shadow zone? What does the S-wave shadow zone tell us about the interior of Earth? Name the type of Rock that makes up the ocean floor. Name the two kinds of rock that make up the ...
PHYSICAL GEOLOGY
PHYSICAL GEOLOGY

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Schiehallion experiment



The Schiehallion experiment was an 18th-century experiment to determine the mean density of the Earth. Funded by a grant from the Royal Society, it was conducted in the summer of 1774 around the Scottish mountain of Schiehallion, Perthshire. The experiment involved measuring the tiny deflection of a pendulum due to the gravitational attraction of a nearby mountain. Schiehallion was considered the ideal location after a search for candidate mountains, thanks to its isolation and almost symmetrical shape. One of the triggers for the experiment were anomalies noted during the survey of the Mason–Dixon Line.The experiment had previously been considered, but rejected, by Isaac Newton as a practical demonstration of his theory of gravitation. However, a team of scientists, notably Nevil Maskelyne, the Astronomer Royal, were convinced that the effect would be detectable and undertook to conduct the experiment. The deflection angle depended on the relative densities and volumes of the Earth and the mountain: if the density and volume of Schiehallion could be ascertained, then so could the density of the Earth. Once this was known, then this would in turn yield approximate values for those of the other planets, their moons, and the Sun, previously known only in terms of their relative ratios. As an additional benefit, the concept of contour lines, devised to simplify the process of surveying the mountain, later became a standard technique in cartography.
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