Grade :6
Subject : Earth Science
Topic : Plate Tectonics
Objective : Enable students to understand the concepts of Plate Tectonics
Plate Tectonics
Fill in the blanks with the suitable word:
(Mariana Trench, tectonic plates, convention currents, seismic waves, transform boundary,
convection currents, Richter scale)
1. The movement of the upper layer of the earth in big chunks of land is termed as
__________.
2. Earthquake results in the generation of ______.
3. ____________ is the deepest of the oceanic plates formed as a result of subduction.
4. The magnitude of the earthquake can be measured using ______.
5. _______ is formed when two tectonic plates slide past each other.
6. __________ beneath the plates are responsible for tectonic plate movement.
Multiple Choice Questions:
7. Volcanic activity is as a result of
a) convergent boundary
b) divergent boundary
c) transfer boundary
d) rift
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8. Subduction is where, the plates
a) slide upon each other
b) slide apart
c) come together
d) none of these
9. __________ is the famous boundary that is caused due to the sliding of the tectonic plates
in California.
a) San Andrews Fault
b) Mount Everest
c) Mid Atlantic ridge
d) Fissure eruption
10. Statement A: Formation of ocean ridge.
Statement B: Creation of new crust.
Identify the correct statement with respect to divergent boundaries.
a) Only statement A is correct
b) Only Statement B is correct
c) Both A & B are correct
d) Neither A nor B is correct.
11. Match the following:
Column A Column B
1. Mid Ocean Ridge () A. Major Tectonic plates
2.Continental crust () B. Convergent
3. Oceanic plates get melted () C. Divergent
4. Seven () D. Sial
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Answer Key
1. The movement of the upper layer of the earth in big chunks of land is termed as tectonic
plates.
2. Earthquake results in the generation of seismic waves.
3. Mariana trench is the deepest of the oceanic plates formed as a result of subduction.
4. The magnitude of the earthquake can be measured using Richter scale.
5. Transform boundary is formed when two tectonic plates slide past each other.
6. Convection currents beneath the plates are responsible for tectonic plate movement.
7. (a) Volcanic activity is as a result of convergent boundary.
8. (b) Subduction is where, the plates slide apart.
9. (a) San Andrews Fault is the famous boundary that is caused due to the sliding of the
tectonic plates in California.
10. (c) During the divergent boundaries, a new crust is formed along with the ocean ridge.
11. 1 - C, 2 - D, 3 - B, 4 - A
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