Interior of Earth

Q. The interior of the earth is _________.

1. totally static
2. in motion
3. completely liquid
4. completely solid

Q. Which is the outermost layer of Earth?

1. Crust
2. Mantle
3. Inner core
4. Outer core

Q. Tectonic plates are moving continuously at a speed of around 2.5km per hour.

1. False
2. True

Q. Which among these are present at the centre of the Earth?

1. Ice
2. Soil
3. Molten rocks
4. Molten metals

Q. What is the physical state of the mantle?

1. Solid
2. Semi-solid
3. Liquid
4. Gas

Q. Choose the correct statement about the interior of the Earth.

1. Lithosphere is between mantle and core.
2. Asthenosphere is between mantle and core.
3. Crust is a part of lithosphere.
4. Asthenosphere is below lithosphere.

Q. Q. Consider the following statements with reference to interior of the Earth:

1. The primary source of Earth's heat is the combination of Extraterrestrial impacts, gravitational energy and radioactivity.
2. The lithosphere, which is the outer layer of earth's crust, comprises of both continents made of granite rocks and oceans made of basaltic rocks.
3. The density of basaltic rocks is more than granitic rocks and because of this the sial is lighter than sima.

Which of the above statements is/are correct?

1. 
   1 only
2. 
   1 and 3 only
3. 
   1, 2 and 3
4. 
   2 and 3 only

Q. What is the physical state of the mantle?

1. Solid
2. Semi-solid
3. Liquid
4. Gas

Q. Tectonic plates are moving continuously at a speed of around 2.5km per hour.

1. False
2. True

Q. Which among these are present at the centre of the Earth?

1. Ice
2. Soil
3. Molten rocks
4. Molten metals