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Science 8 Oceans Flashcards | StudBud
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Science 8 Oceans
Science 8 Oceans
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Science 8 Oceans
Flashcards
34 cards
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Practice quiz
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Questions
34
Answers
1
Faster flowing rivers contain....
less dissolved oxygen
more dissolved oxygen
higher temperatures
more food
2
Most of the salt that is in the oceans is...
sodium
Magnesium
chloride
sulphate
3
What time of the year is the salt content of the ocean greatest?
winter
fall
It is constant throughout
summer
4
What fraction of our Earth's surface do Ocean's cover?
3/4
1/2
1/4
2/3
5
With a strong wind, what happens to the wave?
wave height decreases
wave length decreases
wave length increases
wave height increases
6
The regular rise and fall of the ocean on a daily cycle is called...
breakers
clockwork
tides
weather zones
7
The largest tidal range in Canada occurs where?
Hudson Bay
Bay of Fundy
Gulf of Mexico
Pacific Ocean
8
Most of the salt that is in the oceans is...
sodium
chloride
sulphate
Magnesium
9
A source of salt for the oceans includes the following except...
sea shells
volcanoes
rocks
plants
10
What features of the sea floor ar related to plate movements?
Ocean ridges
Abyssal plains
continental slope
continental shelf
11
If you are a salmon, you will have the following adaptation.
a larger streamlined body to swim quickly in the water
sucker-type legs to hook onto the sea floor
Kidneys that allow you to survive in fresh and salt water
lungs to survive on the beach
12
Almost all the heat in the ocean comes from this source....
waves
winds
the sun
volcanoes
13
Wavelength is the distance from....
crest to crest
crest to trough
one wave to the next
crest to shoreline
14
The following may influence the direction of winds and surface currents except....
uneven heating of the atmosphere
the continents
the moon
rotation of the Earth
15
If you are seaweed, this adaptation will help you survive in the ocean.
A holdfast to anchor yourself to the ocean floor
Roots to obtain nutrients from the soil
Stomata on the bottom of your leaves for gas exchange
Strong, thick stems to support their body
16
What features of the sea floor ar related to plate movements?
continental slope
Ocean ridges
continental shelf
Abyssal plains
17
Water has an abililty to hold onto its heat. This is called....
jet speed
heat capacity
warm currents
stubborness
18
Where would the climate be the warmest?
Ontario
British Columbia
Florida
In Saskatchewan
19
The following is a form of erosion due to waves...
deltas
longshore currents
sand bars
caves
20
Wave height increases....
half-way out to sea
closer to shore
near the continents
out in the deep water
21
Currents of water at the ocean surface are driven by....
gravity
earthquakes
winds
undersea volcanoes
22
At night time, water temperature feels warmer than the air...this is due to...
heat capacity of water
Wind temperature
your body temperature
Being wet instead of being dry
23
zooplankton may have this adaptation in order to live in the water
They have gills to obtain oxygen
They have large bodies for floating
They often have spines or appendages to help them float
They are green for photosynthesis
24
The largest tidal movements are....
winter tides
spring tides
summe tides
neap tides
25
The smooth waves caused by winds and storms far out at sea are called...
tidal waves
swells
tsunamis
waves
26
The link between the Earth, the Moon, the Sun, and tides is...
water
climate zones
the tilt of the earth on its axis
gravity
27
What features of the sea floor are related to plate movements?
continental slope
Ocean ridges
Abyssal plains
continental shelf
28
The presence of caddisfly and mayfly in the water would indicate...
generally good water quality
deeper water
very poor water quality
stagnant water
29
What causes a wave?
swimmers
boats
fish
steady winds
30
When a wave tumbles over onto the shore, it is called a...
surfer wave
tital wave
breaker
tsunami
31
Winds along the Equator that blow from the east are called....
trade winds
hurricanes
westerly winds
tornadoes
32
The measur of the amount of salts dissolved in a liquid is known as..
Dissolvability
solubility
salinity
salt water
33
Beaches are different colours based on the following...
the presence of snow and/or rain
the minerals in the rocks and shells
the amount of pollution in the air
the color of the water washing onto shore
34
This is the location where ocen basins begin.
at seamounts
at the coast line
beyond the continental slope
at the continental shelf
