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Earth’s Layers Selection/ Speciation Remote Sensing/ EM Rocks Plate Boundaries 1pt 1 pt 1 pt 1pt 1 pt 2 pt 2 pt 2pt 2pt 2 pt 3 pt 3 pt 3 pt 3 pt 3 pt 4 pt 4 pt 4pt 4 pt 4pt 5pt 5 pt 5 pt 5 pt 5 pt Name the most dense layer of Earth and describe its makeup. Inner core is made up of mostly iron and is a super hot SOLID metal The lithosphere is made up of ___________ The crust and the upper mantle Which layer of Earth is the thickest? The mantle Besides location and density, what is the biggest difference between the lithosphere and the asthenosphere? The lithosphere is where all living things are found Name the layers of Earth from LEAST to MOST dense. Crust, Mantle, Outer Core, Inner Core Who had the first concept of evolution? Jean Baptiste de Lamarck What did Darwin find in the Galapagos Islands that helped him develop his theory of evolution? Finches on different islands with different beaks specialized for food on that island What must occur before speciation can occur? Isolation Daily Double: What are the four components of natural selection? overproduction, variation, adaptation, selection Provide an example of speciation and an example of natural selection. Be thorough. Natural selection is passing on a favorable mutation (adaptation) to more and more offspring while speciation produces two new species from one existing based on environmental changes When contour lines appear very close to one another, this means that…. Elevation is increasing or decreasing very rapidly How is remote sensing different from ground truthing? Remote sensing gathers information without making contact where ground truthing requires going to the area Why do plants look green when they are photographed using visible light? Plants reflect green wavelengths Which type of waves (EM) allows images collected by satellites sent back to earth? Radio waves What are the 7 parts of the Electromagnetic Spectrum? Gamma rays X-rays Ultraviolet Visible light Infrared Microwave Radio What does the Law of Superposition state? That the youngest rock layers are on the top while the oldest is on the bottom. What is it called when there is a missing layer in the rock record? Unconformity What can Ice Cores tell us and can they date back as far as rock layers? Ice Cores can tell us about climate changes over the last million years and do not date back as far as rock layers A fossil of an organism that lived during a specific time period and that can be used to give an age to unknown fossils or rock layers is called: Index Fossil What is true of igneous rock that cuts through a layer of sedimentary rock? The igneous rock is younger than all of the layers that its cuts through. What most likely could be observed at transform boundaries? Earthquakes Daily Double: Name and briefly describe the 3 types of Convergent Plate Boundaries Oceanic-Oceanic ContinentalContinental Oceanic-Continental Which type of boundaries would island arcs form? Oceanic-Oceanic Subduction Convergent What are the 3 types of plate boundaries? Describe each Type Convergent 3 TYPES Divergent Transform Description Picture Features plates push mountains together and islands, volcanoes/ earthquakes Plates pull apart rift valleys, new sea floor, midocean ridge, volcanoes/ earthquakes plates slide by one another ↑↓ earthquakes What was the name of the supercontinent made up of Earth’s current continents and about how long ago did it exist? Pangaea existed 225300 million years ago.