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Σεισμοί και Στρώματα της Γης

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

What are the three different layers of the Earth?

a)

Crust

b)

Mantle

c)

Core

d)

All of the above

2.

What is the average thickness of the continental crust?

a)

35 km

b)

60-70 km

c)

7 km

d)

80 km

3.

What characterizes the lithosphere?

a)

A rigid layer

b)

A liquid layer

c)

A gaseous layer

d)

None of the above

4.

What is the average thickness of the oceanic crust?

a)

35 km

b)

60-70 km

c)

7 km

d)

80 km

5.

What is the depth of the mantle?

a)

2,900 km

b)

6,370 km

c)

80 km

d)

35 km

6.

What is characterized as a rigid layer with an average thickness of about 80km, consisting of the solid crust and part of the solid upper mantle?

a)

Lithosphere

b)

Asthenosphere

c)

Mantle

d)

Core

7.

What is the layer below the lithosphere known as?

a)

Lithosphere

b)

Asthenosphere

c)

Mantle

d)

Core

8.

What is the outer part of the core described as?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

9.

What happens when two tectonic plates approach each other?

a)

They collide

b)

They separate

c)

They float

d)

They dissolve

10.

What do the movements of lithospheric plates cause at their edges?

a)

Earthquakes

b)

Volcanoes

c)

Floods

d)

Landslides

11.

Πως είναι το εσωτερικό του πυρήνα;

a)

υγρό

b)

στερεό

c)

αέριο

d)

τίποτε από τα παραπάνω

12.

Which layer of the Earth is responsible for tectonic plate movement?

a)

Crust

b)

Asthenosphere

c)

Outer Core

d)

Inner Core

13.

What geological feature is formed at divergent plate boundaries?

a)

Mountain ranges

b)

Mid-ocean ridges

c)

Deep ocean trenches

d)

Volcanic islands