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WorksheetsOceans Part 2
Total questions: 15
Worksheet time: 8mins
What modern device do oceanographers use to determine ocean depth and to map out the ocean floor?
Radiometer
Radar
Sonar
Depth Gauge
Which part of the seafloor would be the most difficult to explore because of pressure issues?
Trench
Seamounts
Continental Shelf
Continental Slope
Which ocean feature is labeled A in purple on the diagram?
Continental Slope
Continental Shelf
Seamount
Abyssal Plain
Which ocean feature is labeled B in red on the diagram?
Continental Slope
Continental Shelf
Seamount
Abyssal Plain
Which ocean feature is labeled C in yellow on the diagram?
*Hint: Between Continental Slope and Abyssal Plain
Mid-Ocean Ridge
Trench
Continental Rise
Rift Valley
Which ocean feature is labeled E in blue on the diagram?
*Hint: Center dip in the Mid-Ocean Ridge
Seamount
Trench
Continental Rise
Rift Valley
Which ocean feature is labeled F in grey on the diagram?
*Hint: Mariana's _________ is the deepest place on Earth.
Seamount
Trench
Continental Rise
Rift Valley
Which ocean feature is labeled G in pink on the diagram?
*Hint: Flat area on bottom of ocean
Seamount
Mid-Ocean Ridge
Abyssal Plain
Rift Valley
Which ocean feature is labeled H in green on the diagram?
*Hint: Underwater volcanoes, Hawaiian islands formed with these.
Seamount
Mid-Ocean Ridge
Abyssal Plain
Rift Valley
What type of plate boundary is found at the mid-ocean ridge?
Convergent
Divergent
Transform
What is most likely to occur as ice caps melt?
Rain would be more acidic
Sea would cover more land
Earth would cool
Rivers would flow more rapidly
An estuary is an area ______________.
of only freshwater
of only saltwater
where freshwater and saltwater mix
where pond water and river water mix
Rain from tropical storm Lee delivered high levels of contaminating particles into the Susquehanna River.
How will this affect the Chesapeake bay?
Increase filtration rate in the Bay
Increase species diversity in the Bay
Water quality will improve in the Bay
Water quality will decrease in the Bay
Estuaries like the Chesapeake Bay are extremely important to protect because they have high _________.
*Hint: Freshwater and Saltwater animals live here
algal blooms
salinity
biological activity
dissolved oxygen
True or False: Nutrient pollution causes toxic algal blooms and fish kills because there is no longer enough oxygen in the water to support life. Creating DEAD ZONES.
True
False
