Sea floor spreading - Study guides, Class notes & Summaries

How was the solar system formed? - -a supernova (explosion of a start when it runs out of fuel) -4.6 billion years ago how was the earth formed? - -a nebula made of gas and dust -was formed 4.5 billion years ago how did oceans form? - -A volcanic expulsion - rained for thousands of years -hit by an icy comets -volcanic out gassing and ice from comets when did life form? - -3.7 billion years ago how long have animals been around for? - -600 million years ago how long has pho...

Geology 1110 Final Exam Questions With Verified Solutions The ocean's oldest sediments are found - answerfar from spreading centers Where you can find the youngest rocks on the ocean floor? - answermid ocean ridges the plastic layer in the upper mantle just below the lithosphere is called the - answerasthenosphere New oceanic crust is produced - answerat divergent plate boundaries Movement of the plates ranges from - answer1 to 20 cm a year Magnetic stripes (zones with opposite magnetic...

and convergent boundaries - ANS plates that come together, possibly forming subduction zones therefore forming ocean trenches, volcanic activity, trenches, and earthquakes (->tsunamis) divergent boundaries - ANS plates going apart, causing seafloor spreading and forming volcanoes, mid-ocean ridges, abyssal plains, and hydrothermal vents transform boundaries - ANS plates moving in opposite directions, frequently causing earthquake activity ocean trenches - ANS ...

APES UNIT 4 REVIEW accurate QuestioEarth's spheres - ANSWER lithosphere, atmosphere, hydrosphere, biosphere Earth's core levels - ANSWER - inner core; solid - outer core; liquid - mantle - asthenosphere - lithosphere (earth's surface) Earth's surface composed of... - ANSWER continental crust and oceanic crust Which is denser, oceanic crust or continental crust? - ANSWER oceanic Plate tectonics theory - ANSWER a model of movement of Earth's crust Convection currents exist ...

How did the solar system form? - Nebular Theory - Our Solar System formed from a giants, swirling cloud of gas and dust What are the terrestrial and JSUN (Jovian) planets made of? - Rocks and metals condense inside frost line, hydrogen compounds (ices) condense outside frost line What is the order of the planets from closest to the Sun to farthest from the Sun? - (MVEM/JSUN) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune What are the 2 most common elements in our solar sy...

Write out Moh's Hardness Scale - Answer-1.)Talc 2.)Gypsum 3.)calcite 4.)Fluorite 5.)Apatite 6.)Orthoclase 7.)Quartz 8.)Topaz 9.)Corundum 10.)Diamond List Five characteristics an Earth material must have in order to be considered a mineral. - Answer- 1.)Inorganic 2.)Naturally occurring 3.)Solid 4.) Crystalline Structure 5.)Chemical Formula Name fie tests we can use to identify a mineral, and say if they are a field test or a lab test. - Answer- 1.)Color 2.)Hardness 3.)Streak 4.)Luster 5.)Cl...

EAPS 111 Exam 1 Purdue Questions and Answers with complete solution 1. A fundamental premise of plate tectonics is that the Earth's surface is made of distinct plates. What are the kinds of evidence/observations led geoscientists to conclude this? -The presence of fossil evidence as well as physical boundaries for continents and chains of seismic activity, they can fit together and plants, sediments 2. Where these plates interact (at their active boundaries) is where a significant fracti...

What percentage of Earth i covered with oceans? - Answer-70.8 % List the major oceans found on our planet - Answer-Artic, Atlantic, Indian, Pacific, and Southern What percentage of all water on planet Earth is oceanic? - Answer-97.2% The smallest of the major oceans is - Answer-The Artic The study of waves, tides, currents, weather, and climates are all a function of which major discipline of oceanography? - Answer-Physical Oceanography The study of marine life and its aspects is ...

Earth Environmental Science Exam (Answered) Complete Solution Divergent Boundary Place where two of Earth's tectonic plates are moving apart. Epicenter Point on Earth's surface directly above the focus of a earthquake. Magnitude Measure of the energy released during an earthquake, which can be described using the Richter scale. Fault Crack in Earth's crust that occurs when stress is applied. Sea floor Spreading Hess's theory that new ocean crust is formed at mid-ocean ridges sei...

Geology 1110 Final Exam Questions With Verified Solutions The ocean's oldest sediments are found - answerfar from spreading centers Where you can find the youngest rocks on the ocean floor? - answermid ocean ridges the plastic layer in the upper mantle just below the lithosphere is called the - answerasthenosphere New oceanic crust is produced - answerat divergent plate boundaries Movement of the plates ranges from - answer1 to 20 cm a year Magnetic stripes (zones with opposite magnetic...