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Waves & Currents Flashcards | StudBud
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Waves & Currents
Waves & Currents
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StudBud Administration
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Earth Science 6th Grade
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
What causes tides?
Gravity of the sun and the moon
None of the Above
Wind
Gravity of the moon
2
Surface winds and surface currents are affected by ______________________.
Earthquakes
Underwater volcanoes
None of the Above
the rotation of the Earth
3
The movement of water deep in the ocean is caused by _______________.
Wind and Density
Wind
None of the above
Density
4
What type of currents transports the sun's heat energy in the ocean?
Density Currents
Deep ocean currents
Tsunamis
Surface Currents
5
In place that there are tidal bulges, _______ tides occur.
Low
Neap
Medium
High
6
As ocean depth increases, salinity __________ and temperature _______.
Increases/Increases
Decreases/Increases
Decreases/Decreases
increases/decreases
7
True or False: The ocean absorbs, stores, and moves the sun's heat.
False
True
8
The moons ______ causes tides.
Inertia
Gravitational pull
light
distance
9
Tides are most noticeable in______ and ____________.
Oceans/Ponds
Oceans/Rivers
Rivers/Large Lakes
Oceans/Large Lakes
10
True or False: There are 4 high tides and 4 low tides every day.
True
False
11
What factors influence wave height ?
Distance the wind blows
Wind Speed
Length of Time (Fetch)
All of the above
12
Which of the answers does not belong when talking about waves?
wind speed is one of the factors that influence wave height.
the rhythmic movement that carries energy through matter.
waves stop moving once the wind stops.
caused by the transfer of energy from the wind.
13
True or False: Surface currents move water horizontally and in a circular pattern.
False
True
14
True or False: Spring tides occur during a New Moon and a 3rd quarter moon.
True
False
15
The daily rise and fall of the Earth's water on coastlines are known as _______________.
None of the Above
Waves
Tides
tsunamis
16
As the tide comes in the level of water ___ and as it goes out the level of the water ___.
None of the Above
Stays the same
Increases/Decreases
decreases /increases
17
As temperature decreases, density _______.
Stays the same
Decreases
Increases
None of the above.
18
True or false: Density currents circulate ocean water rapidly.
False
True
19
Water on the side of the Earth facing the moon and away from the moon forms _________________.
Tidal Bulges
Low tide
No tide
Medium Tide
20
Which of the following choices does not apply to Neap tides?
Occur during the first and third quater moon phases.
Tides that occur during a full and a new moon.
Occur when the Sun & the Moon pull at right angles.
Tides that occur between spring tides.
