Grade 9 Geography – Natural Systems - Geology
Computer – Geology and Earthquake Computer Activity
A.
Go to: http://resources.elearningontario.ca/
(elearning resource)
* User ID: WRDSBstudent Password: oerbs
 choose: I agree select: Search

In “search box” write lesson codes
given (example: ELO1071090)
1. The Rock Cycle
code:
ELO1071090


Click on “The Rock Cycle”
Go through the activity - place labels into
the correct spots.

When you finish, label the diagram

Move on to activity B, once successfully
completing without making any errors!
(open/close windows between lessons)
B. Plates, Earthquakes and Volcanoes
code:
ELO1091570


Scroll to bottom of page and click on #5 ‘Plate Movements’ under the Activities section
Select the ‘Assignments’ tab near the top of the page ….. finally Click on the link to ‘JVV Jr.’ (near bottom)

Under the ‘Add Features’ column select ‘Earthquakes, Volcanoes and Tectonic Plates. (choose all 3)
(hold the ctrl button to add multiple layers …. Press the brown make changes button … Describe what you see
__________________________________________________________________________________
__________________________________________________________________________________

Describe how volcanoes and earthquakes are related to the tectonic plates?
__________________________________________________________________________________________

Under “Select Base Map” choose “Seismic
Hazard” (also select “Coastlines”
for continent boundaries) click ‘make changes’.
Describe where the 2 most hazardous locations are in Canada.
__________________________________________________________________________________________

Search Wikipedia for “List of Earthquakes by death toll”.….. List details about the 2 deadliest earthquakes ever. (size, where, when, etc.)
1. ________________________________________________________________________________________
2. ________________________________________________________________________________________
C.
Seismic Wave Investigation
code:
ELO1305190 …… Start the Investigation and answer ….
a) What kind of motion do P waves travel in? ____________________________________________________________________
b) What distance did the P wave move the bedrock? ______________________________________________________________
c) How does an S wave’s motion differ from the P wave? __ _________________________________________________________
d) How do S waves move through water? _____________________________________________________________________
e) Where and how do Rayleigh waves move? __________________________________________________________________
f) How does the effect of a deep Rayleigh wave differ from a shallow one?____________________________________________
g) How does a Love wave move?______________________________________________________________________________
h) How does a shallow Love wave differ from the surface movement of a deep wave?_____________________________________
D. EARTHQUAKES
code:
ELO1240190
………..
Start the Investigation
a) What instrument measures seismic movements?_________________________________________________
b) Describe and/or draw the movement that happens with the 3 kinds of displacements (fault movements):
Strike-slip
Normal
Thrust
o
What causes a Tsunami? _______________________________________________________________________________
o
What is the name of the earthquake magnitude scale? ________________________________________________________
o
Explain this scale (what do the numbers mean, etc.) __________________________________________________________
o
Describe the biggest Quake by Name, Location and Magnitude. ________________________________________________
o
Name the 3 types of Plate tectonic boundaries possible. ________________ ____________________ ________________
o
Go to the map with 4 rectangles for active plate boundaries.
Location (name/describe)
Plate Boundary Type
Click on each rectangle and answer the following:
What is Happening Here? (name plates/describe motion)
Iceland
1
2
3
4
E. How Earthquakes Happen
Go to: http://news.bbc.co.uk/2/hi/4126809.stm
[BBC Animation Guides] click “Click here to be begin”
1. What is the Lithosphere? ______________________________________________________________________
2. What causes the plates of the lithosphere to move in different directions?________________________________
3. Where, in relation to plates, do most earthquakes occur?_____________________________________________
4. What are the 4 directional possibilities for plate movements that cause earthquakes?_______________________
__________________________________________________________________________________________
5. What happens when plates become locked together?________________________________________________
6. What is the hypocenter?_______________________________________________________________________
7. What is the epicentre? _______________________________________________________________________
8. For each of the 3 different types of waves , fill in the table.
Source (where it comes from)
Description of how destructive energy is felt/seen on ground
Primary
Secondary
Surface
F. Real-time Earthquake Map (note: you can CNTL Click on links in electronic version of this document)
Go to: http://earthquake.usgs.gov/earthquakes/map/
Find :
most recent quake
(zoom out to world view)
largest in last 2 hours
largest in last 24 hours
Time/Magnitude #
______________________
________________________
_________________________________
Where (name)
______________________
________________________
_________________________________
______________________
________________________
_________________________________
Latitude/Longitude