1. Unit 1: Restless Earth SUMMARY Structure of the Earth Plates Volcanos,
Earthquakes
NAME & CLASS

2. 1_______________________ 2_______________________
RESTLESS EARTH
1 Structure of Earth
Use p4 to label the structure of the earth.
2 Moving Plates
On the map above draw and label all the plates using p5 of the book. Show with arrows if plates are sliding, colliding, separating.
Earthquakes are most common where plates slide / collide /separate
Fold Mountains happen because plates Slide / collide / separate
Volcanic Islands are common where plates Slide / collide / separate
Continental Drift is________________________________________________________________
_______________________________________________________________________________ 1
1_______________________
2_______________________
3_______________________
4_______________________ 4 2 3

3. 3 Fold Mountains
Fold mountains occur where plates _________________. An example of young fold mountains are the ____________________. These developed during the ________________foldings. Irelands mountains formed during the ______________foldings and are ___________________ years old.
4 Earthquakes
Where do earthquakes occur _______________________________________________________
What is the centre of an earthquake called____________________________________________
What is used to measure earthquakes________________________________________________
What is a Tsunami ________________________________________________________________
An example of a Tsunami___________________________________________________________
Two ways Californians prevent damage from earthquakes
1________________________________________________________________________________
2________________________________________________________________________________
CASE STUDY: SAN FRANCISCO
In 1906 an earthquake devastated the Californian city of San Francisco. Buildings collapsed, roads cracked and fires spread all over the city killing thousands.
What would be the effect of an earthquake measuring 5.5 on the Richter Scale.
What machine measures earthquakes

4. A_____________________ B______________________
5 Volcanos
Label the features using p11 of book
6 Pacific Ring of Fire
Look at Diagram 11 on P12 and name 5 countries located around the Pacific Ring of Fire
CASE STUDY: ICELAND
Iceland is a volcanic island. As the Mid Atlantic Ridge separates magma flowed up, cooled and formed the island. Hot volcanic springs provide heat and electricity for homes. Visiting volcano’s and hot springs makes Iceland popular with tourists.
A_______________
B_______________
C_______________ B A
Name the two regions above
A_____________________ B______________________
KEY WORDS
Plates
Continental Drift
Magma
Lava
Folding
Epicentre
Focus
Seismograph
Richter Scale
Tsunami
Pacific Ring of Fire
Mid Atlantic Ridge
Active / Dormant / Extinct
Say whether the volcano below is Active / Dormant or Extinct
Etna (Italy)
Cotopol (Equador)
Slemish (Antrim)