Structure of the Earth
Structure of the Earth: Overview
This topic covers concepts such as Our Earth, Space, Shape of Earth, Metals in Earth's Crust, Mantle of the Earth, Core of the Earth, Astronaut Space Expedition, Earth Crust, etc.
Important Questions on Structure of the Earth
What are the list of requirements of space expedition of an astronaut?



Mantle is the innermost layer of the Earth.

What are the three main layers of the earth.

The outermost layer of the earth is called mantle.


Fill in the blank. Choose the right word from the box.
core | geology | volcano | mantle | crust | mountains |
rotation | equal | summer | earthquake | tilted | equator |
The axis of the earth is _____.

Name the planets that are made of rocks.

The dark spots that are seen on the surface of the moon are actually giant holes. They are known as

Although planets do not have light of their own, yet they are visible in the night sky at some point of the year. How they can be seen?

Neil Armstrong landed on the moon in the year 1969. His foot prints still lie on the moon . What is the reason that the foot prints have still not faded away after so many years?

Stars can form beautiful patterns in the sky as shown above. Such patterns formed by the stars are called as

Mercury is a planet nearest to the Sun. But there is no life in it. What do you think is the reason for this?

Sam wants to look at the night sky and observe some stars. Which instrument will help him to do this?

Which of the following is the nearest neighbour of the Earth?

Which one of the following is not a planet?


Every night we see the shape of the moon changing. Such different forms are known as_____ of moon.

A round object that moves around the Sun in a fixed path is known as_____.
