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MECHANICAL AND COMPOSITIONAL LAYERS OF THE EARTH

Total questions: 16

Worksheet time: 10mins

Name
Class
Date
1.

The layers of the Earth get more and more dense as they reach closer to the center.

a)

TRUE

b)

FALSE

2.

(a)   is a technique for imaging the subsurface of the Earth with seismic waves produced by earthquakes or explosions.

3.

It is the world’s first riser drilling-equipped science vessel, capable of drilling deeper below the seafloor than any other science drilling vessel.

a)

D/V Etesco

b)

MV Marina

c)

D/V Chikyu

d)

MV Princess of The Star

4.

Mechanical layers of the Earth are determined by their physical properties while the compositional layers of the Earth are determined by their components.

a)

TRUE

b)

FALSE

5.

Crust, Mantle and Core are the three main layers of the Mechanical layers of the earth

a)

TRUE

b)

FALSE

6.

Which among the following layers of the Earth does not belong to the Mechanical layers?

a)

Lithosphere

b)

Asthenosphere

c)

Mesosphere

d)

Mantle

e)

Outer Core

7.

What part of the core is solid?

a)

Outer Core

b)

Inner Core

8.

The core is mainly composed of Nickel and Iron.

a)

True

b)

False

9.

The Mantle is liquid.

a)

True

b)

False

10.

The Mantle is mainly composed of Aluminum and Silicates.

a)

TRUE

b)

FALSE

11.

The crust is the outermost chemical layer that ranges from 5 to 1,000 kilometers.

a)

TRUE

b)

FALSE

12.

This crust underlies the oceanic basins composed mostly of igneous rocks made from iron magnesium silicate.

(a)  

13.

This crust is the thicker part of the crust which is composed primarily of sodium potassium aluminum silicate rocks.

(a)  

14.

Mesosphere is considered as the lower Mantle.

a)

TRUE

b)

FALSE

15.

It is the "uppermost" part of the Mantle.

(a)  

16.

Mesosphere is the a zone made up of two of the layers of the Earth which includes the crust and the Upper Mantle.

a)

True

b)

False