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प्रश्न
Define plate tectonics.
Define the term tectonic plates.
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उत्तर १
The lithosphere is divided into a number of huge slabs of rocks called ‘Tectonic Plates’. These tectonic plates are divided into major and micro plates. These plates float independently over the mantle.
उत्तर २
The term tectonic plates is defined as massive, irregularly shaped slabs of solid rock, generally composed of both continental and oceanic lithosphere. These plates make up the earth’s crust and are constantly moving because they rest on the molten magma beneath them.
संबंधित प्रश्न
Many million years ago, India was a part of the super continent ______
Match the following
| 1. Endogenetic process | Seismograph |
| 2. Mantle | Subduction Zone |
| 3. Convergent boundaries | Volcanic |
| 4. Earthquake | Pacific Ocean |
| 5. Composite volcano | SIMA |
Distinguish between Epicentre and Hypocentre.
Distinguish between primary waves and secondary waves.
Write a note on the internal and external processes of Earth.
In ______ boundary, the plates slide horizontally past each other.
The upper layer of the earth’s mantle below the lithosphere is called ______.
Consider the given statement:
Statement I: Volcanoes can also be classified based on the periodicity of eruptions, as Active volcano, Dormant volcano, and Extinct volcano.
Statement II: A lava dome is roughly a circular mound formed due to the slow ejection of viscous lava from a volcano.
Which of the following statements(s) is/are true?
What is the difference between the ‘magnitude’ and the ‘intensity’ of an earthquake?
Pacific Ring of Fire – What do you understand by the term?
