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Earth`s Crust
Earth`s Crust

... Plate tectonic – theory that Earth’s crust and part of the upper mantle are broken into sections ...
Earth*s Structure - Union High School
Earth*s Structure - Union High School

... are called geologists. ...
A Brief History of Planetary Science
A Brief History of Planetary Science

... Earth has liquid water and life because it is in the habitable zone ...
Name
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... 7. ____________ melted rock that flows on the surface of the earth. 8. ____________ Molten rock in the earth’s mantle. 9. ____________ The thinnest layer of the earth, we live on this layer. 10. ____________ a volcano that has not erupted in a very long time, but still has the ability to do so. 11. ...
EPS 50 “Planet Earth” – Review for Midterm 1 (Fall 2010)
EPS 50 “Planet Earth” – Review for Midterm 1 (Fall 2010)

... 4. Briefly  explain  the  accretionary  model  for  the  early  formation  of  the  Earth.  What   is  a  likely  scenario  for  the  formation  of  an  iron  core?  Why  might  the  Earth  have   had  a  “hot  start?  What  process ...
AIM: Introduce you to scientific study of the world`s oceans and seas
AIM: Introduce you to scientific study of the world`s oceans and seas

... •Near axial trough, sediments and sedimentary rocks are thin or absent •Sediment thickness increases with distance from axial trough, but never exceeds 1.3 km •Age of oldest sediments increases with distance from axial trough •Sedimentary rocks are cut by faults, but MORs are not like continental mo ...
Layers of the Earth
Layers of the Earth

... – The oceanic crust is denser then the continental rock! ...
Weathering and Erosion
Weathering and Erosion

... rises to Earth’s surface  Pyroclastic Flow Ashes, Gases, and Magma that ooze or explode from volcanoes  Can form at divergent boundaries or subduction zones ...
Slide 1
Slide 1

... Is unattached to the mantle, being suspended by the molten outer core. This field is also known as Earth's magnetic field, which is responsible for the functioning of mechanical and biological compasses. This field also causes a subtle jerking motion in the Earth's daily rotation. About 10% of this ...
Earth`s Atmosphere
Earth`s Atmosphere

... 1. Solid, rocky crust covering entire planet. 2. This crust is made up of minerals. 3. It covers the surface of Earth from the top of Mount Everest to the bottom of the Mariana Trench. ...
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1 - Net Start Class

... 44. Hurricanes-Low pressure storms created over warm ocean water that spin due to a combination of convection and the earth’s rotation 45. Permafrost-Permanently frozen soil found in Tundra 46. Taiga- Forests made up of coniferous trees that stretch around the higher latitudes 47. Tornado Alley- Hig ...
Earth`s Atmosphere
Earth`s Atmosphere

... 1. Solid, rocky crust covering entire planet. 2. This crust is made up of minerals. 3. It covers the surface of Earth from the top of Mount Everest to the bottom of the Mariana Trench. ...
Structure of Earth
Structure of Earth

Inside the Earth
Inside the Earth

... rocks that are rich in iron and magnesium • Even though its solid it can flow ...
printer-friendly sample test questions
printer-friendly sample test questions

... In what way can this diagram serve as a model for what is occurring in the interior of the Earth? A. The interior of the Earth is composed of water. B. The interior of the Earth is also heated with fire. C. Both have circular movement of fluids due to convection. D. Both have circular movement of fl ...
File
File

... 26. Compared to P waves and S waves, surface waves ____________________________. 27. The type of seismic waves that arrive at the surface first and move by compressing and expanding the ground like an accordion are called _______________. 28. In a strike-slip fault, the rocks on either side of the f ...
The Earth`s Layers - Aspen View Academy
The Earth`s Layers - Aspen View Academy

... •According to the Big Bang theory, how were the planets formed? •Remind me about Good Things ...
11 19, 21, 23 Alps/Himalayas (W8, 9)
11 19, 21, 23 Alps/Himalayas (W8, 9)

... greenstone belts). The first part of the course is largely review of fundamental concepts in historical geology, review of igneous petrology, and use of trace element and isotopes in understanding Earth evolution. The second part of the course focuses on plate tectonics, tectonic settings and modern ...
UNIT 5 – Earth`s Internal Structure
UNIT 5 – Earth`s Internal Structure

... • THE CORE is located below the two layers of the mantle. • THE OUTER CORE is liquid. The metal elements in this layer gave rise to Earth's magnetic field. • Its thickness is about 2.270 km . • THE INNER CORE Despite its very high temperature, it is solid due to the pressure. ...
12.710: Introduction to Marine Geology and Geophysics Solutions to
12.710: Introduction to Marine Geology and Geophysics Solutions to

... accretion to earlier than the life of 129I in the solar system (determined by our ability to resolve small differences in Xe isotopes – e.g. if that limit is 5 half-lives of 129I, accretion must have occurred within the first 82 Ma of the solar system. In this case we can resolve this to maybe ~50Ma ...
Earth 1
Earth 1

... 3. Metamorphic Rocks (means “change”) a. Formed from another rock by heat and pressure. b. Usually form beneath the earth’s crust (which means they often heat up and become magma again—it’s a cycle—the Rock Cycle!) c. Fact: Both igneous and sedimentary rocks can change into metamorphic rocks. d. Ch ...
Earth interior
Earth interior

... –  The physics of condensed matter, in solid and liquid form, of planetary interiors is more complex than the physics of (almost) perfect gases that describes large part of stellar interiors –  At the temperature and pressure conditions typical of the planetary interiors the equations of state are u ...
Rock Webquest
Rock Webquest

... For thousands, even millions of years, little pieces of our earth have been eroded-- broken down and worn away by __________ and __________. These little bits of our earth are washed downstream where they settle to the bottom of the __________, __________, and __________. Layer after layer of ______ ...
Earths Layers
Earths Layers

... What were the THREE main points of this part of the reading. ...
Get out your pieces for Tectonicland Have your HOMEWORK
Get out your pieces for Tectonicland Have your HOMEWORK

... Plate Tectonics What evidence do scientists have to support the fact that the Earth’s crust is continuously moving? ...
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Age of the Earth



The age of the Earth is 4.54 ± 0.05 billion years (4.54 × 109 years ± 1%). This age is based on evidence from radiometric age dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.Following the development of radiometric age dating in the early 20th century, measurements of lead in uranium-rich minerals showed that some were in excess of a billion years old.The oldest such minerals analyzed to date—small crystals of zircon from the Jack Hills of Western Australia—are at least 4.404 billion years old. Comparing the mass and luminosity of the Sun to those of other stars, it appears that the Solar System cannot be much older than those rocks. Calcium-aluminium-rich inclusions – the oldest known solid constituents within meteorites that are formed within the Solar System – are 4.567 billion years old, giving an age for the solar system and an upper limit for the age of Earth.It is hypothesised that the accretion of Earth began soon after the formation of the calcium-aluminium-rich inclusions and the meteorites. Because the exact amount of time this accretion process took is not yet known, and the predictions from different accretion models range from a few millions up to about 100 million years, the exact age of Earth is difficult to determine. It is also difficult to determine the exact age of the oldest rocks on Earth, exposed at the surface, as they are aggregates of minerals of possibly different ages.
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