Modified True or False. Write TRUE if the statement is correct. If the statement is false, UNDERLINE THE WORD or PHRASE which makes it wrong and WRITE the CORRECT WORD or PHRASE on the space provided for each number
_____ 1. Plate boundaries are the lines that run along the margins of the lithosphere's several pieces.
_____2. Convection current outside the Earth makes the lithospheric plates move.
_____3. Plate Tonic Theory proposed that the Earth's lithosphere is made up of crust and upper mantie that move slowly and consistently over time.
_____4. Divergent boundaries, also known as constructive boundaries, are formed when two tectonic plates move close to each other, causing tension.
_____5. When two tectonic plates move apart or away from each other, a convergent boundary is formed. There are two types of convergent boundaries: oceanic-continental plate boundaries and oceanic plate boundaries. _____6. When two plates slide past each other, a transform fault boundary or strike slip fault forms, resulting in a crack and the formation of an undersea canyon or linier fault valley
_____7. Plate tectonics explained why earthquakes and volcanoes followed specific patterns. Earthquakes are shallower along spreading ridges where plates are thin, and deeper inland where plates are deep beneath continents. Most major eruptions of volcanoes occur near subduction zones, whereas eruptions along spreading ridges are much gentler.
_____8. The San Andreas Fault is an example of a transform fault boundary. Transform boundaries allow for lateral motion, which occurs when plates move horizontally past one another.
_____9. Boundary between North American Plate and Eurasian Plate is an example of Transform Fault Boundary
_____10. Other divergent boundaries can be found between the Eurasian Plate and the Philippine Plate, in addition to the Nazca Plate, South American Plate, Pacific Plate, and Australian Plate.
_____ 1. Plate boundaries are the lines that run along the margins of the lithosphere's several pieces.
_____2. Convection current outside the Earth makes the lithospheric plates move.
_____3. Plate Tonic Theory proposed that the Earth's lithosphere is made up of crust and upper mantie that move slowly and consistently over time.
_____4. Divergent boundaries, also known as constructive boundaries, are formed when two tectonic plates move close to each other, causing tension.
_____5. When two tectonic plates move apart or away from each other, a convergent boundary is formed. There are two types of convergent boundaries: oceanic-continental plate boundaries and oceanic plate boundaries. _____6. When two plates slide past each other, a transform fault boundary or strike slip fault forms, resulting in a crack and the formation of an undersea canyon or linier fault valley
_____7. Plate tectonics explained why earthquakes and volcanoes followed specific patterns. Earthquakes are shallower along spreading ridges where plates are thin, and deeper inland where plates are deep beneath continents. Most major eruptions of volcanoes occur near subduction zones, whereas eruptions along spreading ridges are much gentler.
_____8. The San Andreas Fault is an example of a transform fault boundary. Transform boundaries allow for lateral motion, which occurs when plates move horizontally past one another.
_____9. Boundary between North American Plate and Eurasian Plate is an example of Transform Fault Boundary
_____10. Other divergent boundaries can be found between the Eurasian Plate and the Philippine Plate, in addition to the Nazca Plate, South American Plate, Pacific Plate, and Australian Plate.
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The Earth’s lithosphere, which includes the crust and upper mantle, is made up of a series of pieces, or tectonic plates, that move slowly over time.
A divergent boundary occurs when two tectonic plates move away from each other. Along these boundaries, earthquakes are common and magma (molten rock) rises from the Earth’s mantle to the surface, solidifying to create new oceanic crust. The Mid-Atlantic Ridge is an example of divergent plate boundaries.
When two plates come together, it is known as a convergent boundary. The impact of the colliding plates can cause the edges of one or both plates to buckle up into a mountain ranges or one of the plates may bend down into a deep seafloor trench. A chain of volcanoes often forms parallel to convergent plate boundaries and powerful earthquakes are common along these boundaries. The Pacific Ring of Fire is an example of a convergent plate boundary.
At convergent plate boundaries, oceanic crust is often forced down into the mantle where it begins to melt. Magma rises into and through the other plate, solidifying into granite, the rock that makes up the continents. Thus, at convergent boundaries, continental crust is created and oceanic crust is destroyed.
Two plates sliding past each other forms a transform plate boundary. One of the most famous transform plate boundaries occurs at the San Andreas fault zone, which extends underwater. Natural or human-made structures that cross a transform boundary are offset—split into pieces and carried in opposite directions. Rocks that line the boundary are pulverized as the plates grind along, creating a linear fault valley or undersea canyon. Earthquakes are common along these faults. In contrast to convergent and divergent boundaries, crust is cracked and broken at transform margins, but is not created or destroyed.
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