CHICXULUB CRATER - University of Colorado Boulder
... broader scale, the boundary between the Mesozoic and Cenozoic eras. ...
... broader scale, the boundary between the Mesozoic and Cenozoic eras. ...
1000
... Molten rock contains metal minerals that will align with the Earth’s magnetic field, then cool and stay as a record of that time ...
... Molten rock contains metal minerals that will align with the Earth’s magnetic field, then cool and stay as a record of that time ...
Earth as a System - Bakersfield College
... Formulating a Hypothesis (predictions as to why) • Explaining how and why it works (after factfinding), “educated guessing” Testing the Hypothesis (experimenting) • performing experimentations that test the accuracy of the hypothesis ...
... Formulating a Hypothesis (predictions as to why) • Explaining how and why it works (after factfinding), “educated guessing” Testing the Hypothesis (experimenting) • performing experimentations that test the accuracy of the hypothesis ...
KEY
... 3. How did Alfred Wegener use rock and fossil evidence to support his hypothesis? Rock types – rocks with similar features were found on continents now separated by oceans (Appalachian mountains) Fossils – fossils of land animals on different continents that couldn’t have traveled across the ocean ( ...
... 3. How did Alfred Wegener use rock and fossil evidence to support his hypothesis? Rock types – rocks with similar features were found on continents now separated by oceans (Appalachian mountains) Fossils – fossils of land animals on different continents that couldn’t have traveled across the ocean ( ...
The Earth as a model planet
... In the process, a chain of shield volcanoes is likely to be produced, especially in ocean crust, which is relatively thin and uniform - see, for example, the Hawaiian islands. crust mantle Convective currents in the asthenosphere ...
... In the process, a chain of shield volcanoes is likely to be produced, especially in ocean crust, which is relatively thin and uniform - see, for example, the Hawaiian islands. crust mantle Convective currents in the asthenosphere ...
Earth`s Layers
... • Hot soften rocks made up of more magnesium and iron. • Density increases with depth due to increase in pressure. •Remember less dense near the crust more dense near the core. ...
... • Hot soften rocks made up of more magnesium and iron. • Density increases with depth due to increase in pressure. •Remember less dense near the crust more dense near the core. ...
Igneous Rocks II: Heat, magma generation, and differentiation
... body into the transparent cooler surroundings. Not important in cool rocks, but increasingly important at T’s >1200°C • Advection: involves flow of a liquid through openings in a rock whose T is different from the fluid (mass flux). Important near Earth’s surface due to fractured nature of crust. • ...
... body into the transparent cooler surroundings. Not important in cool rocks, but increasingly important at T’s >1200°C • Advection: involves flow of a liquid through openings in a rock whose T is different from the fluid (mass flux). Important near Earth’s surface due to fractured nature of crust. • ...
Study Guide - SUSDIntelEssentialsSection2Downs
... 2.) Make a list of pros and cons for storing waste at Yucca Mountain. Activity 36 & 49; Student Sheet 36.1. 3.) Make a diagram of the three major types of volcanoes, give characteristics of each. eservices B90-91, Act. 38. 4.) Know the layers of the Earth, including the lithosphere, know their appro ...
... 2.) Make a list of pros and cons for storing waste at Yucca Mountain. Activity 36 & 49; Student Sheet 36.1. 3.) Make a diagram of the three major types of volcanoes, give characteristics of each. eservices B90-91, Act. 38. 4.) Know the layers of the Earth, including the lithosphere, know their appro ...
Unit 3 Earth Science..
... Oxygen and silicon comprise approximately 75% of all the elements in Earth's crust. Together, they combine with one or more of the other six most common elements to form silicate minerals. ...
... Oxygen and silicon comprise approximately 75% of all the elements in Earth's crust. Together, they combine with one or more of the other six most common elements to form silicate minerals. ...
CHAPTER 14 Geology and Nonrenewable Resources Core Case
... 2. Use _________________________ that can extract minerals “biomining” 3. __________________ ore- deposits form when super-heated water shoots out of vents in the ocean 14-5: How Can We Use Mineral Resources More Sustainably? Materials Revolution- _________________, ceramics, and ________________ ar ...
... 2. Use _________________________ that can extract minerals “biomining” 3. __________________ ore- deposits form when super-heated water shoots out of vents in the ocean 14-5: How Can We Use Mineral Resources More Sustainably? Materials Revolution- _________________, ceramics, and ________________ ar ...
The Earth
... Causes are unknown History of magnetic polarity and reversals recorded in volcanic (basaltic) rocks Ocean crust is high in basalt ...
... Causes are unknown History of magnetic polarity and reversals recorded in volcanic (basaltic) rocks Ocean crust is high in basalt ...
here
... boundaries(40). There are three types of boundaries that we can observe. These plate boundaries are: Divergent boundary The word divergent is a big word used by scientists to describe what happens when two objects move away from each other. So, a divergent boundary is a boundary where two tectonic p ...
... boundaries(40). There are three types of boundaries that we can observe. These plate boundaries are: Divergent boundary The word divergent is a big word used by scientists to describe what happens when two objects move away from each other. So, a divergent boundary is a boundary where two tectonic p ...
Answers to Spring Final Review
... Why is the ozone layer important to life on Earth? Ozone filters out harmful radiation that would make life on land impossible. ...
... Why is the ozone layer important to life on Earth? Ozone filters out harmful radiation that would make life on land impossible. ...
MS PowerPoint document, click here
... The map used will depend on the need Mercator map – used to determine the relationship between two places Robinson – used to see actual shapes of land near the poles Conic map – used to travel in straight lines Topographic – used to see heights in certain ...
... The map used will depend on the need Mercator map – used to determine the relationship between two places Robinson – used to see actual shapes of land near the poles Conic map – used to travel in straight lines Topographic – used to see heights in certain ...
Sample_reading_tasks
... 2. Read the text and put the missing words in the gaps. There are more words than gaps, you will not need three of them. located sideways creates divided zones consists categories boundaries moved composed The lithosphere (the earth’s crust and the rigid upper part of the mantle) is (1) into seven l ...
... 2. Read the text and put the missing words in the gaps. There are more words than gaps, you will not need three of them. located sideways creates divided zones consists categories boundaries moved composed The lithosphere (the earth’s crust and the rigid upper part of the mantle) is (1) into seven l ...
Plate: a rigid slab of solid lithosphere rock that has defined
... a rigid slab of solid lithosphere rock that has defined boundaries and floats on the denser rocks of the asthenosphere a point on the earth’s surface where strong upward convection currents or plumes of hot magma in the upper mantle push up below the plates of the lithosphere causing volcanic ...
... a rigid slab of solid lithosphere rock that has defined boundaries and floats on the denser rocks of the asthenosphere a point on the earth’s surface where strong upward convection currents or plumes of hot magma in the upper mantle push up below the plates of the lithosphere causing volcanic ...
Glossary for Plate tectonics and associated hazards
... caused by the intense doming up of magma in the crust below. A zone of volcanoes, earthquake, and mountain-building encircling the Pacific Ocean formed where plate collide The mechanism by which new sea floor crust is created at ridges in divergence zones and adjacent plate are moved apart to make r ...
... caused by the intense doming up of magma in the crust below. A zone of volcanoes, earthquake, and mountain-building encircling the Pacific Ocean formed where plate collide The mechanism by which new sea floor crust is created at ridges in divergence zones and adjacent plate are moved apart to make r ...
Chap7Sect2 -Cont Drift and Sea-floor
... movement of continents over Earth’s surface. It was a hypothesis, that was tested. Why did he believe in this theory? 3. fossil – any trace of an ancient organism that has been preserved in sedimentary rock. ...
... movement of continents over Earth’s surface. It was a hypothesis, that was tested. Why did he believe in this theory? 3. fossil – any trace of an ancient organism that has been preserved in sedimentary rock. ...
Document
... Collison zones form where both sides of a convergent boundary consist of continental (buoyant) material. Modern example: Himalayas ...
... Collison zones form where both sides of a convergent boundary consist of continental (buoyant) material. Modern example: Himalayas ...
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.