Dynamic Earth

Question 1

Hot molten material that flows from beneath the earth’s crust onto the surface, usually from volcanoes; it cools to form volcanic rock.

Answer 1

Lava

Question 2

A type of rock formed by the cooling and hardening of magma or lava.

Answer 2

Igneous rocks

Question 3

Molten rock within the Earth.

Answer 3

Magma

Question 4

The slow process in which rocks are constantly being formed and changed from one type to another.

Answer 4

Rock cycle

Question 5

The type of rock formed from other rocks by the action of heat and pressure

Answer 5

Metamorphic rocks

Question 6

The slow physical and chemical breakdown of rocks by the action of rain, cold.

Answer 6

Weathering

Question 7

A type of rock formed by the cementing together and hardening of sediments.

Answer 7

Sedimentary rocks

Question 8

A substance obtained by mining

Answer 8

mineral

Question 9

And upward fold in rock formed by compression of Earth’s crust.

Answer 9

Anticline

Question 10

A highly vicious, mechanically week and deforming region of the upper mantle of the earth. It lies below the lithosphere

Answer 10

Asthenosphere

Question 11

The movement of the earth’s continents drifting across the ocean bed.

Answer 11

Continental drift

Question 12

The centre part of the earth

Answer 12

Core

Question 13

The outermost solid shell of a planet.

Answer 13

Crust

Question 14

The vigorous shaking of the earth which can be violet enough to destroy major buildings and kill thousands of people.

Answer 14

Earthquake

Question 15

The point of the Earth’s surface that is directly above the hypo centre or focus which is also the point where an earthquake originates.

Answer 15

Epicentre

Question 16

Where two blocks of rock converge towards each other, therefore creating a hanging cliff.

Answer 16

Reverse fault

Question 17

We are two blocks of rock diverge by tension and therefore creating a hill or mountain.

Answer 17

Normal fault

Question 18

A fault in which two blocks of rock are displaced mainly in a horizontal direction, parallel to the line of fault.

Answer 18

Strike-Slip fault

Question 19

A crack in a rock which is slipped.

Answer 19

Fault

Question 20

The buckling of rocks caused by huge Earth forces.

Answer 20

Fold

Question 21

A Scientist who studies the solid and liquid matter.

Answer 21

Geologist

Question 22

An Earth science comprising the study of Earth, the rocks of which it is composed, and the processes by which they change.

Answer 22

Geology

Question 23

The magnitude of an earthquake, usually expressed by the Richter scale, it is a measure of how big the waves are.

Answer 23

Richter scale

Question 24

The region of the interior of the earth between the core and the crust. It is 2000 miles thick.

Answer 24

Mantle

Question 25

An instrument scientists used to measure the strength of an earthquake.

Answer 25

Seismographs

Question 26

Downwards bending folds in rock layers

Answer 26

Syncline

Question 27

A long, high sea wave caused by an Earthquake.

Answer 27

Tsunami

Question 28

A mountain or hill, having a crater or vent which lava has erupted from it.

Answer 28

Volcano

Question 29

The rigid outer part of the earth, consisting of the crust and upper mantle.

Answer 29

Lithosphere

Question 30

The process by which weathered material is carried away by water, wind or glaciers.

Answer 30

Erosion