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ESSH Unit 2
| Question | Answer |
|---|---|
| Is the inner core liquid or solid? | Solid |
| What are the layers of the earth in order? | crust, upper mantle, lower mantle, outer core, inner core |
| What are the two types of crusts? | Oceanic and Continental |
| What is the inner core made up of? | Nickel and Iron |
| Is the outer core a solid or liquid? | liquid |
| Where do earthquakes come from? | When Earth's tectonic plates undergo stress |
| What is a fault? | A fault is a fracture or zone in the Earth's crust where rock masses move relative to each other, often causing earthquakes when tension is released |
| What is the maximum number for latitude? | 90 degrees |
| What is the maximum number for longitude? | 180 degrees |
| What is the longitude of the International Date Line? | 180 degrees |
| What are the three different types of volcanoes? | Cinder Cone, Stratovolcano, and Shield |
| What is the name of the scale that measures the Volcano Explosivity Index? | The VEI scale |
| What is the definition of extrusive? | Fine, grained rocks that are formed on the surface |
| What is the definition of intrusive? | Coarse rocks that are formed on the surface |
| Why does granite have different colored crystals? | Because it contains potassium feldspar |
| How does and igneous rock form? | Igneous rocks form when magma cools and solidifies into solid rock |
| Is Basalt more mafic or felsic in composition? | more mafic |
| At higher temperatures, Plagioclase feldspar has more of what? | Calcium |
| Does diorite have Na-Plag (Albite) or Ca-Plag (Anorthite)? | Albite |
| Which mineral is the first to crystallize? | Olvine |
| What is Bowen's Reaction Series? | A model that shows how different types of minerals form as magma cools. |
| How can a hotspot create a chain of multiple volcanoes? | A hotspot creates a chain of volcanoes through the movement of a tectonic plate over a relatively stationary source of heat in the Earth's mantle. . |
| How is new seafloor created? | They are formed when two tectonic plates of the Earth's crust move away from each other. |
| What type of plate boundary does seafloor creation occur at? | They occur at the divergent plate boundary |
| What are the three different types of plate boundary's? | transform boundary, divergent boundary, convergent boundary. |
| If two plates are pushing towards each other it is called ________? | convergent |
| If two plates are moving apart from each other it is called _________? | divergent |
| If two plates are sliding past each other it is called ___________? | transform |
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