... ____________________________ on ridges, earthquakes on ridges Midocean ridge rocks are _____________ than surrounding ocean floor rocks Midocean ridge volcanoes are _________________ than volcanoes further away Ocean floor sediments are _______ on the ridges and get ____________ as the distance from ...
Plate Tectonics - Fort Thomas Independent Schools
... In sea-floor spreading, the sea floor spreads apart along both sides of a mid-ocean ridge as new crust is added to the ocean floor. As a result, the ocean floors move like conveyor belts, carrying the continents along with ...
... In sea-floor spreading, the sea floor spreads apart along both sides of a mid-ocean ridge as new crust is added to the ocean floor. As a result, the ocean floors move like conveyor belts, carrying the continents along with ...
Birth of the Himalaya
... To understand the fascinating mechanics of the collision of India with Asia we must first look beneath the Earth's surface. The continents are carried by the Earth's tectonic plates like people on an escalator. There are currently 7 giant plates sliding across the Earth's surface, and a handful of s ...
... To understand the fascinating mechanics of the collision of India with Asia we must first look beneath the Earth's surface. The continents are carried by the Earth's tectonic plates like people on an escalator. There are currently 7 giant plates sliding across the Earth's surface, and a handful of s ...
Plate tectonics - pams
... The Real Issue……….. How could the continents move through the solid-rock bottoms of the oceans? In the 1950’s, scientists using better instruments found underwater mountain chains with rift valleys in their centers ...
... The Real Issue……….. How could the continents move through the solid-rock bottoms of the oceans? In the 1950’s, scientists using better instruments found underwater mountain chains with rift valleys in their centers ...
Physical Processes Powerpoint
... surface ocean currents and airflows through the equatorial Pacific. These regional events have global implications, disturbing normal weather patterns in many parts of the world. For example, here in Texas this weather change brings more precipitation (rain). ...
... surface ocean currents and airflows through the equatorial Pacific. These regional events have global implications, disturbing normal weather patterns in many parts of the world. For example, here in Texas this weather change brings more precipitation (rain). ...
Land, Air, and Water • What forces shape the land? • What are the
... • It provides life-giving oxygen for people and animals and lifegiving carbon dioxide for plants. • It also acts as a blanket, holding in enough heat from the sun to make life possible. • Winds distribute this heat around the globe. Water • Roughly 97 percent of Earth’s water is found in the oceans. ...
... • It provides life-giving oxygen for people and animals and lifegiving carbon dioxide for plants. • It also acts as a blanket, holding in enough heat from the sun to make life possible. • Winds distribute this heat around the globe. Water • Roughly 97 percent of Earth’s water is found in the oceans. ...
Emerging Technology for
... • Soil salinity indicators: – White crust/crystals on dry soil surface – Patches of reduced growth or yield in areas – Tip burning of leaves, followed by yellowing and bronzing – Friable or “puffy” soil structure in low-lying areas when dry – Appearance of stunted plants • Reduced growth rate • Shor ...
... • Soil salinity indicators: – White crust/crystals on dry soil surface – Patches of reduced growth or yield in areas – Tip burning of leaves, followed by yellowing and bronzing – Friable or “puffy” soil structure in low-lying areas when dry – Appearance of stunted plants • Reduced growth rate • Shor ...
Slide 1
... • Obviously, ocean water has salt in it! • Does salinity vary in different ocean waters on Earth? • It varies only slightly • In ppt, salinity levels in the Pacific are about 35ppt, while the Atlantic levels are about 37ppt • However, areas like the Red Sea and the Mediterranean are even higher. Why ...
... • Obviously, ocean water has salt in it! • Does salinity vary in different ocean waters on Earth? • It varies only slightly • In ppt, salinity levels in the Pacific are about 35ppt, while the Atlantic levels are about 37ppt • However, areas like the Red Sea and the Mediterranean are even higher. Why ...
Factors that Shape the Earth
... Earth’s crust is made of continental crust (thicker but less dense) and oceanic crust (thinner but more dense). When a continent splits apart, the continental crust separates, allowing the magma beneath it to rise, forming a mountain ridge of denser rock. Ocean water fills in the space between the s ...
... Earth’s crust is made of continental crust (thicker but less dense) and oceanic crust (thinner but more dense). When a continent splits apart, the continental crust separates, allowing the magma beneath it to rise, forming a mountain ridge of denser rock. Ocean water fills in the space between the s ...
Plate Tectonics
... Scientists discovered features called ridges in the middle of the Atlantic Ocean. Radioactive dating shows that as you move away from these mid-ocean ridges, rocks ...
... Scientists discovered features called ridges in the middle of the Atlantic Ocean. Radioactive dating shows that as you move away from these mid-ocean ridges, rocks ...
Study Guide: Unit ESS2-1 and ESS2
... 1. Glossopteris was an ancient reptile that lived in South America and Africa during the late Paleozoic. 2. In the early part of the twentieth century, Alfred Wegener argued forcefully for continental drift. 3. The former late Paleozoic super continent is known as Pangaea. 4. The northward movement ...
... 1. Glossopteris was an ancient reptile that lived in South America and Africa during the late Paleozoic. 2. In the early part of the twentieth century, Alfred Wegener argued forcefully for continental drift. 3. The former late Paleozoic super continent is known as Pangaea. 4. The northward movement ...
Lecture 2 The Earth. I. The Interior Earth – vital statistics Planet size
... through solids, liquids and gases. • S waves travel at 3-4 km s-1 . They cannot pass through liquid. • “Shadow zone” receives neither P nor S waves (refraction/liquid). ...
... through solids, liquids and gases. • S waves travel at 3-4 km s-1 . They cannot pass through liquid. • “Shadow zone” receives neither P nor S waves (refraction/liquid). ...
Questions from the committee:
... • Platforms for studying the environment and fundamental processes within it in real time (hours, seasons, years, decades) at large scales. ...
... • Platforms for studying the environment and fundamental processes within it in real time (hours, seasons, years, decades) at large scales. ...
Week 2
... Earth’s entire surface. This coverage included oceans. Changes in 13C isotope concentrations give evidence that support the hypothesis. During extreme glaciations periods, photosynthesis would be reduced because ice cover would block out sunlight. If the 13C/12C ratio in sediment is high, it means m ...
... Earth’s entire surface. This coverage included oceans. Changes in 13C isotope concentrations give evidence that support the hypothesis. During extreme glaciations periods, photosynthesis would be reduced because ice cover would block out sunlight. If the 13C/12C ratio in sediment is high, it means m ...
24. Ocean Basins p. 350-372
... continents stand higher than the oceanic crust, which forms deep basins filled with water. The four major ocean basins are the Pacific, Atlantic, Arctic, and Indian Oceans. The largest is the ___________ Ocean, which contains ____% of all the water on Earth. Smaller bodies of water called seas may b ...
... continents stand higher than the oceanic crust, which forms deep basins filled with water. The four major ocean basins are the Pacific, Atlantic, Arctic, and Indian Oceans. The largest is the ___________ Ocean, which contains ____% of all the water on Earth. Smaller bodies of water called seas may b ...
Word format
... continents stand higher than the oceanic crust, which forms deep basins filled with water. The four major ocean basins are the Pacific, Atlantic, Arctic, and Indian Oceans. The largest is the ___________ Ocean, which contains ____% of all the water on Earth. Smaller bodies of water called seas may b ...
... continents stand higher than the oceanic crust, which forms deep basins filled with water. The four major ocean basins are the Pacific, Atlantic, Arctic, and Indian Oceans. The largest is the ___________ Ocean, which contains ____% of all the water on Earth. Smaller bodies of water called seas may b ...
A potential extremophile expansion in the oceans
... the scientific world has not ventured into a more serious outcome in the form of possible expansion of extremophiles. The human-driven rapid climate change and the consequent change in sea water chemistry, especially acidification, might at certain stage create conditions favorable to extremophiles. ...
... the scientific world has not ventured into a more serious outcome in the form of possible expansion of extremophiles. The human-driven rapid climate change and the consequent change in sea water chemistry, especially acidification, might at certain stage create conditions favorable to extremophiles. ...
math lesson sheet
... 2. Seawater does not freeze at 0 degrees Celsius (32 degrees Fahrenheit). The salt in the water lowers the freezing point. On average, seawater freezes at –1.94 degrees Celsius. Use the formula below and convert this temperature to Fahrenheit. Fahrenheit=Celsius x 1.8+32 Answer: 28.5 degrees Fahrenh ...
... 2. Seawater does not freeze at 0 degrees Celsius (32 degrees Fahrenheit). The salt in the water lowers the freezing point. On average, seawater freezes at –1.94 degrees Celsius. Use the formula below and convert this temperature to Fahrenheit. Fahrenheit=Celsius x 1.8+32 Answer: 28.5 degrees Fahrenh ...
The Ocean Floor Chapter 14 Essentials of Geology, 8e
... bedding (decrease in sediment grain size from bottom to top) ...
... bedding (decrease in sediment grain size from bottom to top) ...
File - Physical Science
... C) export of heat from deep in the mantle to the top of the asthenosphere 6. All of the following are evidence supporting the theory of plate tectonics except for _____. A) changes in the Moon's orbit due to shifting plates C) hot spots B) ocean floor drilling D) paleomagnetism 7. Cooler, older, oce ...
... C) export of heat from deep in the mantle to the top of the asthenosphere 6. All of the following are evidence supporting the theory of plate tectonics except for _____. A) changes in the Moon's orbit due to shifting plates C) hot spots B) ocean floor drilling D) paleomagnetism 7. Cooler, older, oce ...
CHAPTER 7 Ocean Circulation Fig. CO7
... Pacific warm pool on western side Thermocline deeper on western side Upwelling off the coast of Peru ...
... Pacific warm pool on western side Thermocline deeper on western side Upwelling off the coast of Peru ...
Chapter 7: Ocean circulation
... Pacific warm pool on western side Thermocline deeper on western side Upwelling off the coast of Peru ...
... Pacific warm pool on western side Thermocline deeper on western side Upwelling off the coast of Peru ...
Plants and light in the ocean
... On land, sunlight is in plentiful supply in most places at most times of year Plants compete for light. Trees grow tall trunks so that they can stand above other plants which might shade them ...
... On land, sunlight is in plentiful supply in most places at most times of year Plants compete for light. Trees grow tall trunks so that they can stand above other plants which might shade them ...
How are octopus species related?
... We have seen that continental drift caused Antarctica to be separated from South America about 34 mya. The Drake Passage was formed, creating a cold oxygen-rich deep water environment. The fossil record shows new species of deep water octopus evolved about the same time. When similar species of octo ...
... We have seen that continental drift caused Antarctica to be separated from South America about 34 mya. The Drake Passage was formed, creating a cold oxygen-rich deep water environment. The fossil record shows new species of deep water octopus evolved about the same time. When similar species of octo ...
formative assessment questions
... c. The item has a higher density than water d. Both B and C are correct 12. If water is placed in an ice bath and poured into a container of warm water, what happens? a. The cold water would sink below the warmer water b. The warm water is more dense therefore will sink below the cold water c. Both ...
... c. The item has a higher density than water d. Both B and C are correct 12. If water is placed in an ice bath and poured into a container of warm water, what happens? a. The cold water would sink below the warmer water b. The warm water is more dense therefore will sink below the cold water c. Both ...
Ocean
An ocean (from Ancient Greek Ὠκεανός, transc. Okeanós, the sea of classical antiquity) is a body of saline water that composes much of a planet's hydrosphere. On Earth, an ocean is one of the major conventional divisions of the World Ocean, which covers almost 71% of its surface. These are, in descending order by area, the Pacific, Atlantic, Indian, Southern, and Arctic Oceans. The word sea is often used interchangeably with ""ocean"" in American English but, strictly speaking, a sea is a body of saline water (generally a division of the world ocean) partly or fully enclosed by land.Saline water covers approximately 72% of the planet's surface (~3.6×108 km2) and is customarily divided into several principal oceans and smaller seas, with the ocean covering approximately 71% of Earth's surface. The ocean contains 97% of Earth's water, and oceanographers have stated that only 5% of the World Ocean has been explored. The total volume is approximately 1.35 billion cubic kilometers (320 million cu mi) with an average depth of nearly 3,700 meters (12,100 ft).As it is the principal component of Earth's hydrosphere, the world ocean is integral to all known life, forms part of the carbon cycle, and influences climate and weather patterns. It is the habitat of 230,000 known species, although much of the oceans depths remain unexplored, and over two million marine species are estimated to exist. The origin of Earth's oceans remains unknown; oceans are thought to have formed in the Hadean period and may have been the impetus for the emergence of life.Extraterrestrial oceans may be composed of water or other elements and compounds. The only confirmed large stable bodies of extraterrestrial surface liquids are the lakes of Titan, although there is evidence for the existence of oceans elsewhere in the Solar System. Early in their geologic histories, Mars and Venus are theorized to have had large water oceans. The Mars ocean hypothesis suggests that nearly a third of the surface of Mars was once covered by water, and a runaway greenhouse effect may have boiled away the global ocean of Venus. Compounds such as salts and ammonia dissolved in water lower its freezing point, so that water might exist in large quantities in extraterrestrial environments as brine or convecting ice. Unconfirmed oceans are speculated beneath the surface of many dwarf planets and natural satellites; notably, the ocean of Europa is estimated to have over twice the water volume of Earth. The Solar System's giant planets are also thought to have liquid atmospheric layers of yet to be confirmed compositions. Oceans may also exist on exoplanets and exomoons, including surface oceans of liquid water within a circumstellar habitable zone. Ocean planets are a hypothetical type of planet with a surface completely covered with liquid.