fossils - Mizellis
... Salty environment Rapid mineralisation (hardening of the living tissue) 4. How are fossils useful? Fossils called index fossils allow rock layers to be correlated. This means that rock layers in different areas can be matched up and be said to be of the same age. Index fossils must Be spread o ...
... Salty environment Rapid mineralisation (hardening of the living tissue) 4. How are fossils useful? Fossils called index fossils allow rock layers to be correlated. This means that rock layers in different areas can be matched up and be said to be of the same age. Index fossils must Be spread o ...
Evolution of Earth`s Atmosphere
... Earth's core. Seismic measurements show that the core is divided into two parts, a "solid" inner core with a radius of ~1,220 km and a liquid outer core extending beyond it to a radius of ~3,400 km. The densities are between 9,900 and 12,200 kg/m3 in the outer core and 12,600–13,000 kg/m3 in the inn ...
... Earth's core. Seismic measurements show that the core is divided into two parts, a "solid" inner core with a radius of ~1,220 km and a liquid outer core extending beyond it to a radius of ~3,400 km. The densities are between 9,900 and 12,200 kg/m3 in the outer core and 12,600–13,000 kg/m3 in the inn ...
1.4 Powerpoint
... – Lots of new rock forming and very little place for old rock to go. – Connected to continents. As it spreads, it moves the continents and gets wider ...
... – Lots of new rock forming and very little place for old rock to go. – Connected to continents. As it spreads, it moves the continents and gets wider ...
final jeopardy! - Newton.k12.ma.us
... as mesosaurus are found on opposite sides of the Atlantic? Answer: since they could not have swam across, the continents must have once been joined ...
... as mesosaurus are found on opposite sides of the Atlantic? Answer: since they could not have swam across, the continents must have once been joined ...
First Exam - Practice Test
... e. All the above 77. Primary sedimentary structures are a. Physical features of a rock related to the environment of deposition. b. Physical features of a rock related to the process of cementation. c. Chemical features of a rock produced by the motion of water and wind. d. Sediment forms produced b ...
... e. All the above 77. Primary sedimentary structures are a. Physical features of a rock related to the environment of deposition. b. Physical features of a rock related to the process of cementation. c. Chemical features of a rock produced by the motion of water and wind. d. Sediment forms produced b ...
Students will - Perry County Schools
... of gravity in the formation of the universe and it’s components. The current and most widely accepted scientific theory of the mechanism of formation of the universe (Big Bang) places the origin of the universe at a time between 10 and 20 billion years ago, when the universe began in a hot dense sta ...
... of gravity in the formation of the universe and it’s components. The current and most widely accepted scientific theory of the mechanism of formation of the universe (Big Bang) places the origin of the universe at a time between 10 and 20 billion years ago, when the universe began in a hot dense sta ...
When hawk-sized dragonflies ruled the air
... Canyon, the Colorado River cut through and exposed many strata of ancient rocks. The oldest rocks visible here formed about 540 million years ago. The youngest, at the top, are about 500 million years old. Knowing the ages of rock strata allows scientists to date the fossils found in each stratum. ...
... Canyon, the Colorado River cut through and exposed many strata of ancient rocks. The oldest rocks visible here formed about 540 million years ago. The youngest, at the top, are about 500 million years old. Knowing the ages of rock strata allows scientists to date the fossils found in each stratum. ...
Igneous Processes
... The centre of the Earth is very hot indeed. The main source of the Earth’s heat is radioactive decay. Some elements have unstable atoms, when they break down (decay) they change into different atoms and give out energy. Like any hot object, the Earth loses its heat and slowly cools down. The outer ...
... The centre of the Earth is very hot indeed. The main source of the Earth’s heat is radioactive decay. Some elements have unstable atoms, when they break down (decay) they change into different atoms and give out energy. Like any hot object, the Earth loses its heat and slowly cools down. The outer ...
Plate Tectonics - THS Aquatic Science
... ridge to another. – Between North America and Europe, the rate is about 2.2 inches/year – At the East Pacific rise, which is pushing a plate into the west coast of South America, the rate is 12.6 inches/year ...
... ridge to another. – Between North America and Europe, the rate is about 2.2 inches/year – At the East Pacific rise, which is pushing a plate into the west coast of South America, the rate is 12.6 inches/year ...
PLATE TECTONICS - Part I
... 1) Buoyancy is an important force on objects immersed in a fluid. 2) Buoyancy is the fluid pressure exerted on an immersed object equal to the weight of fluid being displaced by the object. 3) The concept is also known as Archimedes's principle ...
... 1) Buoyancy is an important force on objects immersed in a fluid. 2) Buoyancy is the fluid pressure exerted on an immersed object equal to the weight of fluid being displaced by the object. 3) The concept is also known as Archimedes's principle ...
Deforming the Earth`s Crust
... • When tectonic forces put enough tension on the Earth’s crust, a large number of normal faults can occur • Fault-Block mountains form when tension causes large blocks of the Earth’s crust to drop down relative to other blocks ...
... • When tectonic forces put enough tension on the Earth’s crust, a large number of normal faults can occur • Fault-Block mountains form when tension causes large blocks of the Earth’s crust to drop down relative to other blocks ...
Study Guide - Islands Unit Exam
... Describe how the physical properties of density, pressure and temperature change as depth increases. Define convection. Describe how this convenction affects the crust. Describe the main sources of heat of the Earth’s interior. Distinguish between evidence and reasoning statements as they appl ...
... Describe how the physical properties of density, pressure and temperature change as depth increases. Define convection. Describe how this convenction affects the crust. Describe the main sources of heat of the Earth’s interior. Distinguish between evidence and reasoning statements as they appl ...
CompositionoftheEarth
... Again, much like an onion, the outer core is wrapped around the inner core. The outer core is made of molten, liquid metal. Specifically, iron and nickel just like the inner core. The outer core begins about 3000km below the surface of the earth and is around 2000 km thick. A very wide range of ...
... Again, much like an onion, the outer core is wrapped around the inner core. The outer core is made of molten, liquid metal. Specifically, iron and nickel just like the inner core. The outer core begins about 3000km below the surface of the earth and is around 2000 km thick. A very wide range of ...
File - South Sevier High School
... that Earth’s plates move is called ________________ _________________________. 2. ___________________ geologic activity is concentrated at plate boundaries, where plates move away, toward, or past each other. 3. In the early 1900’s, Alfred _____________________ hypothesized that Earth’s crustal plat ...
... that Earth’s plates move is called ________________ _________________________. 2. ___________________ geologic activity is concentrated at plate boundaries, where plates move away, toward, or past each other. 3. In the early 1900’s, Alfred _____________________ hypothesized that Earth’s crustal plat ...
Our Haven, Planet Earth
... observe that when we are on Earth, we are walking around on a solid crust which is mainly made up of elements such as O, Fe, Mg, Si and Al forming crystalline compounds, which we call minerals and rocks. Another direct source of knowledge about the composition of our planet comes from the meteorites ...
... observe that when we are on Earth, we are walking around on a solid crust which is mainly made up of elements such as O, Fe, Mg, Si and Al forming crystalline compounds, which we call minerals and rocks. Another direct source of knowledge about the composition of our planet comes from the meteorites ...
Layers of the Earth Project
... The Descriptions Key must be an attached piece of the Project that includes a full description of the 4 main layers of the Earth. This can be a cardboard chart, index cards, Ribbon attached to the model, or some other creative idea for describing each layer. A plain paper key will not be acceptable. ...
... The Descriptions Key must be an attached piece of the Project that includes a full description of the 4 main layers of the Earth. This can be a cardboard chart, index cards, Ribbon attached to the model, or some other creative idea for describing each layer. A plain paper key will not be acceptable. ...
Chapter 3 Jig-Saw
... What am I made of? What’s my temperature? What state of matter do I consist of? What is my thickness? Why are tectonic plates significant? Describe in your report and in your visual aid how tectonic plates move. Group 2: Asthenosphere What is above me? What is below me? What am I m ...
... What am I made of? What’s my temperature? What state of matter do I consist of? What is my thickness? Why are tectonic plates significant? Describe in your report and in your visual aid how tectonic plates move. Group 2: Asthenosphere What is above me? What is below me? What am I m ...
EDT - OceanExplorer
... The main cause for the splitting apart of continents is because of the magma that pushes upward and causes plates to divide. ...
... The main cause for the splitting apart of continents is because of the magma that pushes upward and causes plates to divide. ...
Today`s Agenda Today`s Agenda Syllabus Syllabus Syllabus
... Charles Darwin: formations of atolls and evolution Lord Kelvin: determined the age of the Earth based upon how long it took to cool a canon ball (20-40 million years). ...
... Charles Darwin: formations of atolls and evolution Lord Kelvin: determined the age of the Earth based upon how long it took to cool a canon ball (20-40 million years). ...
Geological Processes class Booklet
... to display their understanding that observations, through creative thought, lead to an idea to explain them but the explanation may not be accepted until sufficient evidence exists, as follows: In 1915, Alfred Wegener suggested that the Earth’s continents were once joined and had moved apart to th ...
... to display their understanding that observations, through creative thought, lead to an idea to explain them but the explanation may not be accepted until sufficient evidence exists, as follows: In 1915, Alfred Wegener suggested that the Earth’s continents were once joined and had moved apart to th ...
Meta = change Morph = shape Metamorphic Rock are rocks in
... Mineral composition of rocks can change Causes = heat and pressure INDEX MINERALS = Minerals used to estimate the temperature, depth, and pressure Textures of Metamorphic Rock Foliated = mineral grains are arranged in planes or bands o More heat and pressure = cause minerals to separate into distinc ...
... Mineral composition of rocks can change Causes = heat and pressure INDEX MINERALS = Minerals used to estimate the temperature, depth, and pressure Textures of Metamorphic Rock Foliated = mineral grains are arranged in planes or bands o More heat and pressure = cause minerals to separate into distinc ...
The visual world atlas
... The interior of our planet, with its extreme pressure and temperature conditions, is still a mysterious place. It is where minerals are created and metamorphosed through processes that span millions of years. The immense plates that form Earth’s crust float on the surface of a mass of partially liqu ...
... The interior of our planet, with its extreme pressure and temperature conditions, is still a mysterious place. It is where minerals are created and metamorphosed through processes that span millions of years. The immense plates that form Earth’s crust float on the surface of a mass of partially liqu ...
Three Mechanisms/Theories of Evolutionary Change: Fichter
... Complex Earth Systems” flow model, Appendix ), and all Earth processes are the result of energy flowing and mass cycling within and between these Earth’s systems (3.2, 3.3, 3.6, 4.2, 4.3). The energy for these exchanges is derived from the sun and the Earth’s interior (3.2). The result is, over the ...
... Complex Earth Systems” flow model, Appendix ), and all Earth processes are the result of energy flowing and mass cycling within and between these Earth’s systems (3.2, 3.3, 3.6, 4.2, 4.3). The energy for these exchanges is derived from the sun and the Earth’s interior (3.2). The result is, over the ...
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.