Type
Crossword
Description

Sea Slugs eat this. PLANKTON
A liquid needed to survive. WATER
Living things that are roaming Earth. CREATURES
Are edible. AXOLOTLS
Have no bones. BLOBFISH
A huge body of water. OCEAN
Related to the ocean. SEA
Use their arms to steer. DUMBO OCTOPUS
At the bottom of the ocean. SEABED
Are very toxic. SEASLUG

Marine Ecology Crossword

Type
Crossword
Description

animal that eats fellow animals carnivore
orgaanism that breaks down other organisms decomposer
animal that feeds on bacteria detritus feeder
an eviroment with particuar types of organisms habitat
moving spontaneously motile
role, function or job niche
animal that eats both plants and animals omnivore
"floating animals" animal form of plankton zooplankton
common feeding at the same link on food chains trophic level
group of individuals population
region of a coasttline, usually indented estuary
bottom of a body of water (i.e the sea) benthic
rapid often unpredictable growth bloom
group consisting of both living organisms and the non living enviroment ecosystem
one of a subclass (Copepoda) of minute shrimp-like copepod
herbivores and carnivores that consume energy originally transformed into food by the primary producers consumer
those pelagic animals that are active swimmers nekton
substance required for growth nutrient
- upper portion of a lake, river or sea, sufficiently illuminated for photosynthesis to occur photic zone
animals having a backbone vertebrate
an animal that feeds by removing either living or dead material suspended in the water suspension feeder
one of a class (Bacillariophyceae) of microscopic plankton organisms diatom
the tendency of an object to rise or float buoyancy
tiny, hair-like projections cilia
an organism capable of synthesizing its organic nutrients directly from the sunlight energy or from inorganic nutrients autotroph
- a distinct feature of an organism that allows it to survive more easily in its environment adaptation
a simple plant, without a true stem algae
the vertical movement of water up to the ocean surface from the ocean floor upwelling
permanently attached; not free to move about sessile
the passively drifting or weakly swimming organisms in marine and freshwater habitats plankton
capture of light energy and its transformation into usable energy photosynthesis
an embryo larva
a group of interacting food chains food web

Sea Animals Crossword

Type
Crossword
Description

a large edible sea snail of coastal waters Abalone
a bright-colored fish of coral reefs Angelfish
the world’s largest marine animal Blue Whale
an aggressive shark that can thrive in both saltwater and fresh water Bull Shark
an intelligent, vocal, social sea mammal Dolphin
a flatfish, camouflaged to match the ocean bottom, with both its eyes located on one side Flounder
one of the largest living animals, up to 43 feet long, found in the world’s deep oceans Giant Squid
a large, aggressive shark with a white belly and gray back Great White Shark
a majestic-looking black-and-white whale with long, wide pectoral fins Humpback Whale
tiny shrimp-like crustaceans, very numerous in all oceans, important food for other creatures Krill
a jawless fish with an eel-like body,many are bloodsuckers Lamprey
a fish with seaweed-like appendages for camouflage Leafy Sea Dragon
a venomous fish with red and white stripes and spiny dorsal fins Lionfish
a large crustacean with a muscular tail and two large claws Lobster
an extinct giant shark, one of the largest predators ever, up to 65 feet long Megalodon
a two-shelled mollusk; most attach themselves to shoreline rocks with tough threads Mussel
an Arctic whale whose males have a long tusk Narwhal
a slender-bodied, long-jawed fish of shallow water Needle Fish
a colorful marine slug Nudibranch
play a major role in the world’s food chains and chemical cycles Plankton
a spiny tropical marine fish that can inflate itself Porcupine Fish
a name for the larger kinds of shrimp Prawn
a small, earless seal native to the Arctic, that makes breathing holes in sea ice Ringed Seal
a soft, sausage-shaped echinoderm with leathery skin and a tentacled mouth Sea Cucumber
a small, upright-swimming fish (it really is a fish) with a horse-like head Sea Horse
a large, eared seal with long limbs acting as flippers Sea Lion
seven species of turtles that have flippers for limbs; they may live for hundreds of years Sea Turtle
predatory star-shaped echinoderms that crawl on tiny tube feet Starfish
a large, migratory fish with a sword-like snout Swordfish
a large shark (up to 16 feet) of tropical and subtropical oceans, with dark stripes Tiger Shark
an Indo-Pacific fish with a horn-like protrusion on its forehead Unicornfish
a large Arctic marine mammal with long tusks and whiskers Walrus
Latin for "swordfish," the genus name for the swordfish group Xiphias
has contrasting orange, white, and black colors Clownfish
also known as a hippo tang, is characterized by its contrasting black and almost neon blue colors Regal Tang
is without a doubt one of the ugliest fish in the sea, stone-like appearance Stonefish
is a favorite among aquarium hobbyists. This shark gets its name from its leopard-like spots Leopard Shark
it is the largest fish in the world Whale Shark

Plastic ocean Crossword

Type
Crossword
Description

A large system of circulating ocean currents gyre
A typhoon caused a 'plastic disaster' here hongkong
Plastic pellets used in manufacturing nurdles
The largest ocean pacific
What plastics are made from oil
The largest creature bluewhale
What plastic bags are made of polythene
Small organisms which float in the sea plankton
Large island to the south of australia tasmania
Going deep underwater without scuba gear freediving
Marine animal with a shell. turtle
A small animal is eaten by a larger one, which is eaten by a larger one..... foodchain
Capital of the Philippines manila
A gas produced by decomposing rubbish. Methane

oceanography Crossword

Type
Crossword
Description

found at depths between 3000 and 6000 m abyssal plain
a long, narrow, deep depression in the ocean floor, typically one running parallel to a plate boundary and marking a subduction zone. trench
aquatic animals that are able to swim and move independently of water currents. nekton
are a diverse group of organisms that live in the water column of large bodies of water and that cannot swim against a current. plankton
the flora and fauna found on the bottom, or in the bottom sediments, of a sea, lake benthos
a mountain rising from the ocean seafloor that does not reach to the water's surface seamounts
directed movement of seawater generated by forces acting upon this mean flow currents
a disturbance in the ocean that transmits energy from one place to another. waves
measure of all the salts dissolved in water. salinity
The gravitational attraction of the moon causes the oceans to bulge out in the direction of the moon. tides
consists of muds and silts, and is often crosscut by submarine canyons. continental slope
underwater landmass which extends from a continent continental shelf

Aquatic Ecosystems Crossword Puzzle

Type
Crossword
Description

What measures the amount of salts dissolved in water? salinity
Which aquatic layer has enough sunlight for photosynthesis? photic zone
Which aquatic layer is below the the photic zone? aphotic zone
Which aquatic layer is located at the very bottom of a body of water? benthic zone
What is the shallow, near-shore part of the photic zone called? littoral zone
What part of the photic zone is home to a rich amount of invertebrates? limnetic zone
What are the areas of land that are flooded with water for part of the year called? wetlands
What are the areas that are located near a river and are periodically flooded called? flood plain
What forms when freshwater from land drainage meets water from an ocean or inland sea? estuary
What is the vertical flow of cold, nutrient rich water towards the surface of a body of water? upwelling
What transports warm water rich in dissolved gases from the surface of the ocean to the depths of the ocean? downwelling
What are aquatic ecosystems with a salinity of 0.5 to 30 ppt called? brackish
What is an isolated, U-shaped body of water called? oxbow lake

Earth's Oceans Crossword

Type
Crossword
Description

deep narrow valleys of the ocean floor trench
large, flat basin area of the ocean floor abysassal plain
underwater mountain ranges with sea-floor spreading mid-ocean ridge
underwater volcano or mountain sea mount
steep drop from the continental shelf to the continental rise is called continental slope
The gently sloping area from the shoreline to the continental slope is called continental shelf
is a sound signal bounced off the ocean floor to measure depth sonar
what percent is the earth covered with water 75
what percent of the earth is covered by land 25
what percent of the earth's water has salt in it 71
what percent of water is fresh water 4
This describes how much salt is in the water salinity
rainfall and river runoff create more or less salinity in water less
ice formation and evaporation make more or less salinity in water more
what is water pressure? force
what is the amount of matter in an object density
is a sound signal used by sea and land creatures echolocation
tides, currents, and waves are types of motion
how are surface currents formed wind
salinity, temperature, and constant movement create what? deep-water currents
a powerful warm, swift moving atlantic ocean surface current that flows along the coast of the eastern US and up over Europe gulf stream
what continent is warmer because of the gulf stream europe
what force creates tides gravity

Plate Tectonics Crossword Puzzle

Type
Crossword
Description

What describes large scale movements of the Earth's lithosphere? Plate Tectonics
The lithosphere is divided into... Tectonic Plates
Two plates collide they make... Convergent Boundaries
When two plates move away from each other this is called... Divergent Boundaries
A boundary at which two plates move past each other horizontally is called a... Transform Boundary
What is the outermost rigid layer of Earth? Lithosphere
What is a layer of weak or soft mantle that is made of rock? Asthenosphere
What is the strong lower part of the Earth's mantle? Mesosphere
What explains the age and magnetic patterns of sea floor rocks? Sea-Floor Spreading
What is the outermost layer of Earth? Core
What is the movement of matter that results from differences in density? Convection
What is located between the core and the crust? Mantle
What extends from below the mantle to the center of Earth? Core
What element makes up most of Earth's core? Iron
What is the liquid layer of Earth's core? Outer core
What is dense and is in the center of Earth and extends from the bottom of the outer core to the center of Earth? Inner core
What are the huge trenches on Earth's seafloor? Ocean Trenches
What pushes the rest of a plate away from the mid-ocean ridge? Ridge Push
What is the portion of motion of a tectonic plate that can be accounted for b the portion of motion of a tectonic plate that can be accounted for by its subduction? Slab Pull
What is the slow creeping motion of Earth's solid silicate mantle caused by convection currents carrying heat from the interior of the Earth to the surface? Mantle Convection

Oceans Crossword Puzzle

Type
Crossword
Description

What is the flat region on the ocean floor called? AbyssalPlain
What is a deep valley on the ocean floor called? Trench
What are the active swimmers in a body of water called? Nekton
What are the tiny organisms called that drift in the ocean? Plankton
What is a community of organisms that live on or near a ''Benthic Zone?'' Benthos
What is an underwater mountain called? Seamount
What is a large stream of moving water through the oceans called? Current
What is energy that moves through a body of water? Wave
What is the daily rise and fall of ocean water called? Tide
What is the salt content of water called? Salinity
What is the slope that connects the continental shelf and the abyssal plain called? ContinentalSlope
What is the part of the ocean that starts at the coastline and ends at the sloping part of the ocean floor? ContinentalShelf

Oceans Crossword Puzzle

Type
Crossword
Description

an underwater landmass continental shelf
the sloping region between a continental shelf and rise continental slope
the salt content of a body of water salinity
the cycle of rising and falling of the surface of bodies of water tides
a transfer of energy wave
movement of ocean water that flows in one of the Earth's oceans current
a large underwater mountain seamount
organisms that live on or in the bottom of a body of water benthos
the small and microscopic organisms drifting or floating in the sea or fresh water plankton
aquatic animals that are able to swim and move independently of water currents nekton
a long narrow ditch trench
an underwater plain on the deep ocean floor abyssal plain

Plastic Pollution Crossword

Type
Crossword
Description

What is the accumulation of plastic products in the environment that adversely affects wildlife, wildlife habitat, or humans Plastic pollution
the origin and the engine of all life on this planet Ocean
when plastic is broken down by bacteria tiny pieces are dropped that are called microplastic
plastic item mostly eaten by sea creatures are ? bags
tiny bits of rubbish left rom plastic debris
makes up about one third of all plastic pollution wrappers
plastic in oceans have a huge impact on ________ lives seabirds
site where plastic wasted is disposed dump
a person who is concerned with or advocates the protection of the environment. enviormentalist
small amounts of plastic waste paucity
poisonous chemicals plastic wastes gives off toxins
huge circular moving current systems dominate the surfaces of the oceans. gyres
what humans shouod ddo to keep ocean pollution down recycle