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UNIT 5 – Earth`s Internal Structure
UNIT 5 – Earth`s Internal Structure

... the heavier elements , like Iron (Fe) and Nickel (Ni), were attracted towards the center of the Earth and formed the nucleus. • The lighter elements , such as Silicon (Si) , Oxygen (O) and Aluminum (Al), have come together on the surface of the Earth to form the mantle and crust. ...
Chapter 22.1: Earth`s Structure
Chapter 22.1: Earth`s Structure

Torque - Liberty High School
Torque - Liberty High School

... Sally, an astrology buff, claims that the position of the planet Jupiter influences events in her life. She surmises this is due to its gravitational pull. Joe scoffs at Sally and says “your Labrador Retriever exerts more gravitational pull on your body than the planet Jupiter does”. Is Joe correct? ...
Chapter 22.1: Earth`s Structure
Chapter 22.1: Earth`s Structure

... 3. The asthenosphere – which is in the mantle 4. The core 5. The crust 5. Oceanic crust is denser (but thinner) 6. The upper mantle (and the crust make up the ...
Exploring The Inner Earth
Exploring The Inner Earth

M-2 - University of Iowa Physics
M-2 - University of Iowa Physics

2-2 PowerPoint Summary
2-2 PowerPoint Summary

... • Scientists group the crust and the uppermost mantle into a rigid layer called the lithosphere. • The layer of rocks within the mantle, where the rock is soft enough to flow, is called the asthenosphere. • The solid rock below the asthenosphere, where high pressure prevents melting, is the upper ma ...
Name
Name

... 3. Age and kinds of ___________ along the edge of one coastline are similar to those on another continent 4. Some __________________________ on different continents seem to match a. As well as ______________ “scars” or marks  Wegener did not explain ____________ or __________ the “drifting” took p ...
Handout Chapter 11 Notes
Handout Chapter 11 Notes

... 1. When oceanic crust meets continental crust the continental crust is pushed. ...
landform
landform

Igneous Petrology
Igneous Petrology

... 2. If the earth is 4.567 Ga old, why is the oldest crust only 4.0 Ga? 3. Why is lower crust mafic and upper crust silicic? ...
Astronomy Test - The Summer Science Safari Summer Camp
Astronomy Test - The Summer Science Safari Summer Camp

... 8. What type of stars are the majority of stars in our galaxy? 9. How do we measure the distance between objects in space? 10. How would you describe the hottest stars in the sky? 11. If two stars are different colors, we can infer that they have different: 12. When you look at white light through a ...
Earth Science Bulls Eye
Earth Science Bulls Eye

... The Earth’s crust is located above the mantle. The Earth’s crust is composed of approximately twenty tectonic plates. The intensity of earthquakes is measured on the Richter Scale. The intensity of earthquakes cause shock waves. Granite is considered igneous, because of its volcanic origin. Granite ...
PowerPoint-Präsentation
PowerPoint-Präsentation

... layers: the Earth’s core, the mantle and the crust. These layers are separated by seismic discontinuity zones of each other. The Earth's crust and the uppermost part of the upper mantle together form the so-called lithosphere. The lithosphere ranges between 50 and 100 km in thickness and is divided ...
Earth Science Bulls Eye We are all surrounded by air. We are all
Earth Science Bulls Eye We are all surrounded by air. We are all

... The Earth’s crust is located above the mantle. The Earth’s crust is composed of approximately twenty tectonic plates. The intensity of earthquakes is measured on the Richter Scale. The intensity of earthquakes cause shock waves. Granite is considered igneous, because of its volcanic origin. Granite ...
Notes in pdf format
Notes in pdf format

What’s inside the Earth? Is there really another world at
What’s inside the Earth? Is there really another world at

The Living Earth
The Living Earth

Inside the Earth
Inside the Earth

Earth`s Interior Structure
Earth`s Interior Structure

... • The atmosphere was then mainly CO2,, produced by volcanic eruptions, a process called “outgassing” • CO2,dissolves in rainwater and falls into the oceans • They combines with other substances to form a class of minerals called carbonates. • These carbonates form sediments on the ocean floor, which ...
MS. Earth`s Systems
MS. Earth`s Systems

The Earths Crust Quick Key
The Earths Crust Quick Key

... 6. How are mountain ranges formed according to the Early theory A The Earth cools and shrinks, forming wrinkles in the crust. B The Earth heats and expands so molten rock and minerals escape through the crust. C The C Earth cools and shrinks so the crust cracks into pieces. D The Earth heats and exp ...
structure of Earth and the processes that have altered
structure of Earth and the processes that have altered

... Scientists use the principle that the speed and direction of a seismic wave depends on the material it travels through. Because of the behavior of these different waves, scientists have indirect evidence for the solid inner core and liquid outer core of Earth; because earthquake waves travel faster ...
Geologic Time Scale - CVHS Chicklas
Geologic Time Scale - CVHS Chicklas

... • 20,000 years ago climate began to warm. • Modern humans-Homo sapiens evolved as early as 100,000 years ago. 12,000-15,000 humans had migrated around the world. • Mammals, flowering plants and insects dominate ...
Geologic Time Scale
Geologic Time Scale

... • 20,000 years ago climate began to warm. • Modern humans-Homo sapiens evolved as early as 100,000 years ago. 12,000-15,000 humans had migrated around the world. • Mammals, flowering plants and insects dominate ...
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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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