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Ocean and Atmosphere
Ocean and Atmosphere

... • Geothermal = 0.1 cal/cm2/day • Solar = 2880 0.1 cal/cm2/day ...
Changing Earth`s Surface
Changing Earth`s Surface

... _________________: The hypothesis that the continents slowly move across earth’s surface. _________________: The preserved remains or traces of living things that lived in the past. _________________: The name of the single landmass that broke apart 225 million years ago and gave rise to today’s con ...
Layers of the Earth
Layers of the Earth

... rocks and minerals. Temperatures in the lower mantle can reach over 7000 degrees Fahrenheit. Even at these high temperatures the rocks are only semi-solid due to the extreme pressure from the rocks above. Deeper inside the earth is the Outer Core. This layer is made of liquid nickel and iron that sl ...
magma
magma

... 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. ...
Earthquakes and volcanoes theory - racce
Earthquakes and volcanoes theory - racce

... Volcanoes bring lava on the earth surface forming rocks in small hills or mountains. Depending on the chemical composition of lava several volcano types: ...
Chapter 21- Planet Earth
Chapter 21- Planet Earth

... Law of Superposition ...
DeSana 6th Grade Science Pacing Guide 16-17
DeSana 6th Grade Science Pacing Guide 16-17

... explanations. S6CS4. Students will use tools and instruments for observing, measuring, and manipulating equipment and materials in scientific activities S6CS5. Students will use the ideas of system, model, change, and scale in exploring scientific and technological matters. S6CS6. Students will comm ...
Handout 2-1.b, c, and d Name: Period
Handout 2-1.b, c, and d Name: Period

Organizing What You Know About Earth`s Layers
Organizing What You Know About Earth`s Layers

... HINT: in order to correctly label temperature and density, remember: Temperature increases with depth and density decreases with depth. ...
Earthquakes
Earthquakes

... exposing rocks to extreme heat and pressure. ◦ When mountains are formed, they will weather, creating sediments and sedimentary rock. ...
April 15, 2017 How Earth Got its Moon
April 15, 2017 How Earth Got its Moon

... but how would a debris clump have so much angular momentum that it would divide into two objects and not form one? c. While a clump of debris orbiting the sun was still combining to form Earth, it was disrupted by something else (like a passing planet), causing the debris to combine into two bodies ...
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 ...
Layers of the Earth Notes
Layers of the Earth Notes

... Earth’s Layers by Composition • Crust – Outermost layer – Thinnest layer – Composed mostly of oxygen, silicon, and aluminum – Two types • Oceanic (found under oceans; more dense) – Twice as much iron, calcium, and magnesium which are more dense minerals ...
Earth`s Layers Test Review Packet
Earth`s Layers Test Review Packet

... Make these terms into note cards, if you do not have note-cards handy, use a separate piece of paper. Check off the word as you finish creating a note card. ❏ Crust ❏ Lithosphere ❏ Asthenosphere ❏ Mantle ❏ Outer Core ❏ Inner Core ❏ Oceanic Crust ❏ Continental Crust ❏ Basalt ❏ Granite ❏ Mesosphere (l ...
The Earth`s Internal Structure Descriptions and Explanations
The Earth`s Internal Structure Descriptions and Explanations

What is “magnetic reversal?”
What is “magnetic reversal?”

... During the early 1960s, seismologists studying earthquake seismic waves detected the layer configuration of the Earth’s crust, mantle, outer and inner core. They found that the crust and the upper most portion of the mantle actually acted together as a single brittle layer. They called this the lith ...
Exploring Planetary Systems Essential Standard
Exploring Planetary Systems Essential Standard

... plate boundaries. Lithospheric plates on the scale of continents and oceans constantly move at rates of centimeters per year as a result of movements in the mantle coupled with characteristics of the plates themselves. Major geological events, such as earthquakes, volcanic eruptions, and mountain bu ...
The Dynamic Earth
The Dynamic Earth

... • Inner core ...
File
File

... There are many different types of geological processes some slow, and some fast. They are constantly at work changing the face of our earth, both destroying land, and creating new land. ...
Chapter 6 Study Guide
Chapter 6 Study Guide

...  The rock most commonly found on oceanic crust is ...
First Hour Exam, Fall, 2016
First Hour Exam, Fall, 2016

... elements that are above it in the Periodic Table of the Elements (the transferric elements) are evidence for a. the Big Bang, which created them from hydrogen and helium. b. our solar system being formed from the debris of a previous star that exploded. c. plate tectonics having been active early in ...
Plate Tectonics
Plate Tectonics

... Convection currents in the shale Mid-ocean limestone ridges such as Earth’s mantle East Pacificbasalt Rise and the granite Oceanic Ridge are best Mountains containing folded described as sedimentary rocks Sections of the ocean Moutains containing fossils of floor that contain the present day marine ...
File - Islamic Center Of Northland
File - Islamic Center Of Northland

1. Name the layers of the Earth from the outside in toward the center.
1. Name the layers of the Earth from the outside in toward the center.

... the Earth’s crust cools and solidifies directly in the crust or reaches the Earth’s surface (now lava) and then cools and solidifies ...
Chapter 2 - Minerals and Rocks Extra Credit
Chapter 2 - Minerals and Rocks Extra Credit

... 5. The process by which water, ice, wind, or gravity moves weathered particles of rock and soil. 7. The process by which sediments are pressed together under their own weight. 9. A series of processes on the surface and inside Earth that slowly changes rocks from one kind to another. 13. A mixture c ...
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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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