Geography
Ecosystems
Human Connection
Organisms
Features of the Ocean
100
The "Ring of Fire" is a string of volcanoes in and around what ocean?
Pacific Ocean
100
An estuary connects the ocean to a what?
River
100
What ocean animal is the most commonly eaten seafood in the U.S.?
shrimp
100
A flightless marine bird.
Penguin
100
How are tides formed?
gravitational pull from the moon
200
A large number of islands referred to collectively is a what?
archipelago
200
Brine pools in the ocean have an unusually high level of what?
Salt
200
Which ocean plant is used in foods like ice cream and sushi?
seaweed
200
What is the primary food source for coral reefs?
Plankton
200
What percent of the Earth is covered by ocean?
About 70%
300
The Strait of Gibraltar connects the Atlantic Ocean to what sea?
Mediterranean Sea
300
Which ecosystem does a sea otter live in?
Kelp forest
300
What role does a skimmer play in cleaning up ocean pollution?
Collecting floating pollution
300
What is the largest living mammal?
Blue Whale
300
What is a seamount?
underwater mountain
400
The Amazon River is connected to which major ocean?
Atlantic Ocean
400
Which of these oceanic zones allows photosynthesis?
Epipelagic Zone or Photic Zone
400
"Ghost fishing" refers to what?
lost or abandoned fishing nets that continue to trap and catch fish
400
Which fish can inflate itself like a balloon when threatened?
Pufferfish
400
What causes a tsunami?
underwater earthquake
500
The Bering Strait lies between which two continents?
North America and Asia
500
What is the ecosystem shown below?
salt marsh
500
Which US state catches the most pounds of fish?
Alaska
500
What invertebrate has three hearts and blue blood?
octopus
500
How is a mid-ocean ridge formed?
divergent plates (tectonic plates moving apart)