TOPIC 3

WORKBOOK

PLATE TECTONICS

DE LA SALLE COLLEGE

Geography Department

Ms.Diane Sammut

2

How TECTONIC PLATES move WORKSHEET

3.1 Notes page 5—6

The __________ of the earth – the outer most layer of the earth, is

constantly __________ . It floats around on top of the __________ and

it is being moved by __________ __________ . The crust is cracked

into pieces called tectonic plates and these tectonic plates are a bit

like the __________ of an egg. These convection currents move

around the mantle like a conveyor belt moving the huge __________

above them. Earthquakes occur when two tectonic plates

__________ . The huge forces cause the whole ground to __________ .

The place where two tectonic plates meet is called a __________

__________ .

Look at the diagram below and complete the paragraph with words from the word bank.

3

The PACIFIC RING OF FIRE

WORKSHEET

3.2 Read the instructions below and label the map.

Notes page 13

a) Using a yellow pencil on a map of the world shade the areas where you think the most earthquakes

occur.

b) Using an orange pencil on a map of the world shade the areas where you think the most volcanoes

occur.

c) Label each of the following: North America continent, South America continent, Australia

continent, Asia continent, Pacific Ocean, Sea of Japan, Mt Rainier and Mt Fuji

Use the information in the data table below to mark the location of each earthquake on the map.

• Draw a circle at each earthquake location.

• Mark the locations of the volcanoes on the map with a triangle.

EARTHQUAKES VOLCANOES

4

World FOLD MOUNTAINS

WORKSHEET

3.3 Look up and label the fold mountain ranges marked on the map below.

Notes page 14

A

G

B

H

C

I

D

J

E

K

F

5

Caifornia TODAY...AND SOMEDAY

WORKSHEET

3.4 Follow carefully the instructions below to display how the plate boundary at California moves.

Notes page 15

BOX 1 BOX 2 BOX 3

PROCEDURE :

1. Colour Pacific Ocean blue and land brown.

2. Cut out the three pictures of California.

3. Cut the first picture apart along the San Andreas Fault and glue in place in Box 1.

4. Cut out the second picture and along the fault. Move Pacific plate slightly Northward and glue

in Box 2.

5. Cut out the third picture and along the fault. Move Pacific plate further up from the position of

the previous one in Box 3.

6. Label each box with the following;

North American plate Pacific plate

Juan de Fuca plate San Andreas Fault

California Mexico

Arizona Nevada

Oregon

6

7

World VOLCANOES

WORKSHEET

3.5 Notes pages 17—21

Can you find the location of these famous volcanoes? Use the internet to help you.

These are the volcanoes found in Europe. Can you name them?

8

WORKSHEET

3.6 What about VOLCANOES? Notes pages 17 –21

Answer the following seven questions. write your answers in the boxes below and draw an arrow from

each box to the correct feature on the diagram.

a) What name is given to the molten rock below the earth’s surface?

b) Name the molten rock that flows down the side of the volcano.

c) Name the funnel shaped opening at the top of a volcano.

d) What are the lumps of molten rock thrown out of a volcano called?

e) Name the opening through which molten rock flows to the surface.

f) What material makes up a volcano?

g) What shape is a volcano?

Finish off the statements below :

a) A volcano that no longer erupts is said to be ____________________________________________

b) A volcano that erupts regularly is said to be ____________________________________________

c) Steep sided volcanoes are usually made from ___________________________________________

d) Volcanoes with gently-sloping sides are usually made from ________________________________

e) The volcano that erupted with a loud bang in 1883 was ___________________________________

f) The active volcano on the island of Hawaii is called ______________________________________

g) The dates of Mount Etna’s two recent eruptions were ____________________________________

h) Mount Etna is located on the island of _________________________________________________

i) Three other volcanoes in Italy are ____________________________________________________

9

When MOUNT ETNA ERUPTS Notes page 29 WORKSHEET

3.7

Work in groups to fill in the information required about what happens when Mount Etna erupts. Use

the information cards to help you.

1. a) Name four volcanoes in Italy.

__________________________________________________________________________________

b) Which large town is nearest to Mount Etna? ____________________________________________

c) Which two plates meet over Italy? ____________________________________________________

d) Are the plates moving apart or towards each other? ______________________________________

2. a) Which villages were threatened by the 1983 and1992 lava flow?

__________________________________________________________________________________

b) What was the length of the 1992 lava flow? ____________________________________________

c) What was the length of the longest lava flow? __________________________________________

3. Describe what happens when Mount Etna erupts by sorting the boxes below into the correct order, then

label the drawing below:

Lava pours down the mountainside Buildings and property damaged

Rescue service goes into action Volcano gently rumbles and steams

Loud explosion as volcano erupts Ash, bombs and lava blasted out of volcano

10

4. List six positive effects from the eruption of Mount Etna:

• _______________________________________________________________________________

• _______________________________________________________________________________

• _______________________________________________________________________________

• _______________________________________________________________________________

• _______________________________________________________________________________

• _______________________________________________________________________________

5. Fill in the table below. Sort the negative effects into the correct column:

Some problems caused by Mount Etna eruptions

FARMING TOURISM OTHER

WORKSHEET

3.7

11

Profile of a VOLCANIC ERUPTION WORKSHEET

3.8 Research some information about a famous volcanic eruption.

Date : ____________________ Name/location of volcano : ______________________

Tectonic plates : _________________________________________________________

Type of plate boundary : __________________________________________________

Causes : __________________________________________

_________________________________________________

_________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

12

Profile of an EARTHQUAKE WORKSHEET

3.9 Research some information about a famous earthquake.

Date : ____________________ Location of earthquake : ______________________

Tectonic plates : _________________________________________________________

Type of plate boundary : __________________________________________________

Causes : __________________________________________

_________________________________________________

_________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

13

Indian Ocean TSUNAMI

Notes page 37 WORKSHEET

3.10 Log on the following website and answer the questions :

http://www.bbc.co.uk/bitesize/ks3/geography/physical_processes/plate_tectonics/revision/9/

1. When did the tsunami occur and in which ocean? ______________________________________________

2. What caused the tsunami?

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

3. Briefly describe the tsunami.

________________________________________________________________________________________

________________________________________________________________________________________

4. How many countries were affected? _______________________________________________

5. Name 5 countries which were affected by the tsunami. Which country was the worst affected?

________________________________________________________________________________________

________________________________________________________________________________________

6. Which type of industries were affected most?

________________________________________________________________________________________

________________________________________________________________________________________

7. How did countries cope with the disaster?

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________