WorksheetsSemester Exam- Fall 2024
Total questions: 66
Worksheet time: 34mins
One body of water covers the planet. It is divided in how many oceans, based on ocean basins.
All of the following were Early Explorers of the Oceans, with the exception of:
Charles Darwin
Sir Charles Thompson is attributed with:
The Challenger Report
Providing 4700+ new specimens for study
Set new standards for ocean study
Laying the foundation of modern Marine Science
All of these
Challenges of studying the ocean are:
Distance from shore and lack of light in deeper waters
Lack of air
Colder temperatures
Sharks and jellyfish
Higher pressure in deep waters
The first Marine Laboratories allowed:
The general public a place to tour and visit marine animals.
Scientists room and opportunity to study living organisms.
Eat some of the finest seafood in the area.
People to swim with dolphins.
SONAR stands for:
The acronym SCUBA stands for:
The average depth of the ocean is:
Two major developments in types of submersibles are:
Bathysphere & Bathyscaphe
Peanut Butter and Jelly
Military and Satellite operations
Unoccupied, highly maneuverable underwater machines that can be used to explore ocean depths while being operated by someone at the water surface.
The upward force that a liquid
exerts on an object is called:
Buoyancy is all of the following, except:
Was studied by a Greek scientist
named Archimedes.
Is related to the object's density
and determines if an object sinks or floats.
Is an upward force exerted by a fluid that opposes the weight of a partially or fully immersed object.
Can be directly measured
Archimedes' Principle states:
A 6kg object is immersed in water.
2kg of water is displaced.
What is the buoyant force?
4 kg
6kg
12 kg
2 kg
The dependent variable is what is _____________ in an experiment.
manipulated
omitted
The independent variable is the variable that is _________(or changed) in an experiment.
measured
manipulated
omitted
Observations are made using which of the following:
Highly sophisticated scientific tools.
Your phone.
Your senses.
How does every science experiment begin?
With an observation
Which of the following is NOT a qualitative observation?
Which of the following is a quantitative observation?
The temperature is 85 degrees F
______________ observation is a research method that involves measuring and quantifying characteristics of a phenomenon.
Valid
Qualitative
Good
__________ observation refers to analyzing subjective data of the senses; such as, smell, sight, sound, taste and touch.
Quantitative
True
Valid
What does the term 'marine' refer to?
Oceanography is the branch of science that....
An inference is.......
The _________ variable is the one the scientist keeps constant (the same).
false
measured
manipulated
control
Replication of scientific experiments is important because.....
Replication and repetition are the same things.
Large sample size is important to scientific experiments because....
Scientific Laws are....
Scientific theories are........
Scientific theories can be......
Theories are never ______.
modified
tested
supported
The equator is one of the most important lines on a grid; it divides the world in half, into the ______________ and _____________.
Top and bottom
Water and Land
Northern Hemisphere and Southern Hemisphere
Left and right
The lines on a map form a grid. The grid lines running north to south are the ___________.
Longitude
Latitude
North/South lines
Vertical lines
The lines on a map form a grid. The lines running East to West are called ________.
Longitude
Latitude
East/West lines
The flat lines.
When given specific latitude and longitude coordinates, one can find the precise location of a ________ __________.
Geographical area
Earth's water budget
Convection current
Jet stream
The total amount of water contained in and on the planet is called ______.
Earth's water budget
Earth's sea level
The Coriolis Effect
The water cycle
A liquid, such as water, that contains dissolved substances is called a ______.
Solute
Solution
Solvent
Dissolver
What is known as the universal solvent because it is so good at dissolving many different substances, including salt?
Bleach
Water
Dr. Pepper
Salt water
How much of Earth's water is freshwater?
97%
75%
50%
3%
A water molecule consists of what composition of atoms?
2 Hydrogen,
1 Oxygen
2 Oxygen,
1 Hydrogen
3 H2O
2 Hydrogen,
1 Ozone
The term 'pH' refers to the concentration of ___________ ions in a solution.
Hyrdronium
Sodium Chloride
Oxygen
Hydrogen
Earth's supply of oxygen is a result of photosynthesis, carried out by ______ and plants that live in water.
Algae
Marine worms
Small marine fish
Shellfish
What does 'ppm' mean?
parts per million
people per million
plants per million
pieces per measurement
Salinity is measured in 'ppt', what does that indicate?
The number of people per ten units.
The parts of salt per thousand parts water.
The percentage of parts in a thousand.
The parts of salt per trillion parts water.
Pick the sources for the salt found in the seas and oceans.
(multiple correct answers)
Eroded salts from streambeds and riverbeds.
The ocean floor.
Hydrothermal vents.
Acid rain
Analyze the diagram. What inference(s) can be made?
Temperature decreases with decreasing depth.
Temperature decreases rapidly, then remains about the same.
Temperature increases with increasing depth.
Temperature and density do not impact each other.
Which ocean layer shows a rapid change in salinity (increase) and a rapid change in temperature (decrease)?
Continental shelf
Sea level
Halocline
Neutral zone
The continuous movement of water between the ocean, atmosphere and land is called the __________
Water budget
Water cycle
Water level
Watershed
A likely reason for any decrease in dissolved oxygen below 60 meters would be...
The respiration of marine animals.
A decrease in pH.
A decrease in photosynthesis
(aphotic zone begins)
An increase of salinity.
The pH of ocean water is about ___.
1
3
5
8
Water is an excellent solvent mainly because.....
It is a liquid
It can dissolve other substances
Water molecules are uncharged
Objects can float in it
The largest area of ocean floor is the
ocean basin
continental slope
continental shelf
continental rise
Deep sea trenches (such as the Mariana Trench) are caused by __________.
faulting
subduction
volcanic eruptions
turbidity currents
Which of the following items is NOT a topographical feature?
seamount
oil deposits
trenches
guyots
Which statement is NOT accurate regarding ocean temperature and seasonal change?
The tilt of Earth's axis effects ocean temperature.
Surface ocean temperatures are affected by the 'angle of insolation' of solar rays.
The northern oceans are warmest from December to March.
Direct rays of light deliver more intense heat than do indirect rays.
The amount of moisture in the atmosphere is called the _____.
dew point
specific heat
humidity
fog
All of the following are true about hurricanes EXCEPT .......
they are fueled by warm, moist air
they occur only in the Caribbean and the Gulf of Mexico
they decrease in intensity as they move inland
they can be very destructive
Which statement is true?
As latitude increases, surface ocean temperature decreases.
As latitude increases, surface ocean temperature increases.
Latitude affects ocean temperature only above the equator.
Latitude affects ocean temperature only below the equator.
Light (solar energy) penetrates deeper into the ocean at the equator because...
light enters the water at a 45 degree angle
light that strikes Earth is slanted (indirect)
the angle of insolation is 90 degrees
(direct)
the light has longer wavelengths
The TOTAL pressure on a diver is called the __________.
ambient pressure
decompression rate
hydrostatic pressure
osmotic pressure
The 'bends' is a type of _______ that can cripple a diver.
embolism
barotrauma
heartbeat
activity
The boundary between warm and cold water is the _________.
halocline
decline
recline
thermocline
Aquatic organisms maintain a proper water balance by means of ________.
hypothermia
metabolic activity
osmoregulation
osmosis
Hypothermia is more likely to occur in humans than in marine mammals because humans......
breathe air
are warm-blooded
are cold-blooded
have significantly less insulation in the form of blubber
