The Movement of Ocean Waler
As you read Chapter 14, which
begiDs on page 362 of your textbook,
answer the
following questions.
This Really llappened!
1
rp :ozr
Where is the Bermuda Triangle locatedT
2. Which of the fo owing is NOT
as
reasorl
the
berrnuda Triangle is feared by sailoc'rsTtific
'vhy
a. I a rge. dangerous wdvo. cd n he r ,ju.L n ot. \orl,
hct l\. \\ rnd\
""''
b. Therpdrp record\of 5upern,jlLrrf
in,f.,"","r'
",..
i dn dip or,r, lcd\ ir8 ,hrp. \ dndpd
:. ,r.:p
'4,nd
ct.
Wdlpr.pout\
Cjf oc.L,t w.tholtt !adrntng.
e. Many shjps have vanished in the tserm;da Triangle.
What DoYou Think?
rp. ;o:r
quesrions in yoltr Sciencelog Dow-t.hen
tater, you,ll
11,:l:t^:h"::
nave
a chance to revise your answers based on
what you,ve learned
Investigate!
g
1p.
:ory
3, What does thjs activity demonstrate?
uJ
F
Section
l:
Curients
1p :a+1
4. Thor Heyerdahl theorized that
A
^.
a- Polynesians saiied to peru on ralrs using
strong winds anal
ocean cuIIents,
b. Peruvians sajled to polynesja on rafls ustng strong winds
and
ocean currents.
c. strong winds and ocean cLtrrents kept the Polynesians
from
sailing to Peru.
d. strong winds and ocean currents kept the Peruvians
from
sailing to Polynesia.
DTRECTED READ|NG
A.
woRKsHEETS
I
l3
Name
Date
Chapter
l4
Class
continued
5. What was Thor Heyerdahl trying to prove?
6. How long did it take for Thor Heyerdahl to complete his
iourney?
Surface Currents (p. 365)
?, The Gulf Stream transports
tlmes
more water than all the rive$ in the wotld put togethei.
8, All of the following can affect the foimation of surface cu ents
EXCEPT
a, continental deflection.
b. the coiolis effect.
c. the saltiness of the water.
d. global winds.
9. Near the North and South Poles, winds blow ocean water
, but near the equatot the cufient
t
10. The Coriolis effect only acts on small objects that turn on an
axis. True or False? (Circle one.)
1!. Why don't the Earth's surface cu.rents travel freely
Slobe in a uniform pattern?
across the
r
-a
a
12. Where do warm-water curents originate?
a, near the poles
b, near the equato.
c, on the continents
d. in the air
'l14
Horr
scrENcE AND TEcHNoLocy