Q9 A of 39 Page 100

Higher Order Thinking Questions (Hots)

Consider the various sources of information related to the Earth’s Interior. Classify the above as DIRECT & INDIRECT sources of information. Give reasons




Explanation


• Direct sources


The direct sources include molten magma behind the rocks. When the mining and drilling activities take place the there will be chances for the volcanic eruption.


• Indirect sources


The meteoroid fall on the earth creates the waves in the earth. These measure the seismic activity on the earth surface.


A large amount of iron in the core is responsible for gravitational force. The earth’s rotation in its own axis and the liquid outer core spins over the solid inner core and generates the Earth’s magnetic field.


More from this chapter

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7

Write in paragraph:

Explain the effects of Volcanoes.


 8

Map Skill:

On the given outline map of the world, mark the following:


a. Pacific Ring of fire


b. Earthquake-prone zones (any two)


c. Locate any two active volcanoes of the world.


d. Himalayas and Alps ranges


e. Rift valley of East Africa.


 9

Higher Order Thinking Questions (Hots)

Scientists use GPS to measure the rate of Tectonic Plate movements. Discuss.


 10

Life Skills

Imagine that you feel tremors or shocks in your locality. What will be your role in saving lives from destruction? List out the Do’s and Don’ts.