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Science lesson 5-7

Total questions: 19

Worksheet time: 10mins

Name
Class
Date
1.

Described as opening in the ground here magma or molten rocks comes out

a)

Volcano

b)

Mountain

c)

Trenches

d)

Bulk

2.

These are also called as composite volcanoes because they are built of layers f alternaying lava flow, ash blocks of unmelted stone. It is also larger than cinder cone.

a)

Stratovolcanoes

b)

Cinder cones

c)

Shield volcanoe

d)

Mayon volcano

3.

It doesnt have horizontal layers but a step conical hill of tephra( volcanic debris) that pile up around nd downwind from the vent. It could only grow about 1,000-1200 feet tall.

a)

Cinder cone

b)

Stratovolcanoes

c)

Composite volcano

d)

Shield volcano

4.

Type of volcano built entirely or mostly from fluid lava vents. It is the largest type of volcano resembling a warrior's shield lying on the ground.

a)

Shield volcano

b)

Cinder cone

c)

Stratovolcano

d)

Composite

5.

Earth's brittle crust that is broken in to pieces is called

a)

Plates

b)

Tectonic

c)

Fault

d)

Vault

6.

Are pieces of earths crust d uppermost mantle, together reffered to as lithosphere

a)

Lithosphere

b)

Tectonic plates

c)

Plates boundary

d)

Veal

7.

Sima

a)

Oceanic, silicon&aluminum

b)

Oceanic,silicon&magnesium

c)

Continental,silicon&aluminum

d)

Continental, silicon&magnesium

8.

Sial

a)

Continental, silicon&magnesium

b)

Oceanic, silicon&aluminum

c)

Oceanic,silicon&magnesium

d)

Continental,silicon&aluminum

9.

A boundary in which two plates move towarnds each other causing one of the lithosphere to subduct beneath an overriding plate

a)

Convergent plate boundary

b)

Divergent plate boundery

c)

Transform fault boundery

d)

Transformer

10.

A region where he crustal plates are moving apart

a)

Transform fault boundery

b)

Divergent plate boundery

c)

Convergent plate boundary

d)

Transformer

11.

A boundery produced when two plates slide past each other

a)

Convergent plate boundary

b)

Transform fault boundery

c)

Divergent plate boundery

d)

Transformer

12.

Type of convergent late boundary when two continental plates collide.

a)

Continental-continental convergent plate boundery

b)

Oceanic-oceanic convergent plate boundery

c)

Oceanic-continental convergent plate boundery

d)

Ocean covergent plate boundery

13.

A collision between two plates composed of oceanic lithosphere

a)

Ocean covergent plate boundery

b)

Oceanic-continental concergent plate boundery

c)

Continental-continental convergent plate boundery

d)

Oceanic-oceanic convergent plate boudery

14.

The denser oceanic plate is pushed under the less dense continental plate in the me manneras as at an ocean-ocean boundary

a)

Ocean covergent plate boundery

b)

Oceanic-continental concergent plate boundary

c)

Continental-continental convergent plate boundary

d)

Oceanic-oceanic convergent plate boudary

15.

The bending of the crust towards the mantle f the earth

a)

Subduction

b)

Submerged

c)

Melting

16.

Low,narrow depressions on the seafloor created by the subducting oceanic plates

a)

Ocean trenches

b)

Volcanic arc

c)

Mountains

d)

Volcano

17.

A belt of volcanoes formed above a subducting oceanic tectonic plate, with the belt arranged in an arc shape as seen from above

a)

Volcanic arc

b)

Subduction

c)

Submerged

d)

Volcano

18.

A chain of volcanoes positionin an arc shape

a)

Volcanic island arc

b)

Volcanic arc

c)

Trenches

d)

Subduction

19.

Series of ocean waves with a very long wavelengths caused by a large scale disturbance of the ocean.

a)

Tsunami

b)

Earthquake

c)

Fire

d)

Airborne