Sea Facts
True or False: All seas are a part of oceans.
True
By definition, a sea is a smaller part of an ocean and is typically partially contained by an area of land. Therefore, all seas are found in areas where the ocean and land meet. Seas are typically partially enclosed by land.
True or False: Dolphins sleep with one eye open.
True!
This is because they sleep with one half of their brain at a time in order to protect themselves from predators and to prevent drowning.
True or False: The Great Barrier Reef is the largest living thing on Earth and is visible from outer space!
True!
True or False: Octopus' have red blood and three hearts.
False
Octopus' have BLUE blood and three hearts.
True or False: 65% of the seafloor has been accurately mapped by scientists.
False
Only 5% of the seafloor has been accurately mapped by scientists!
Name the world's four oceans
Pacific, Atlantic, Indian and Arctic
While manatees may have more in common with dolphins or whales, they are actually related to the _________.
a) Elephant
b) Rhino
c) Dinosaur
d) Hippo
a) Elephant
The Great Barrier Reef is the size of _____ million football fields.
a) 20
b) 70
c) 120
d) 180
b) 70
The most popular seafood in the U.S. is __________.
a) Tuna
b) Shrimp
c) Salmon
d) Crab
b) Shrimp
A group of sea birds is called a _________.
a) Galaxy
b) Wreck
c) Battery
d) Nest
b) Wreck
A galaxy is a group of starfish. A battery is a group of barracuda. A nest or bale is a group of sea turtles.
Which ocean is the smallest?
a) Atlantic
b) Pacific
c) Indian
d) Arctic
d) Arctic
This sea animal has secret pockets of skin near their armpits where they store food.
a) Seals
b) Walrus
c) Sea Turtle
d) Sea Otter
d) Sea Otter
How many types of coral are there in the Great Barrier Reef?
a) 200
b) 400
c) 600
d) 800
b) 400
What is the heaviest underwater creature and animal on the planet?
a) Killer Whale
b) Blue Whale
c) Gray Whale
d) Narwhal
b) Blue Whale
The blue whale, a marine mammal, is the heaviest organism on the plant with an average weight of 121 tons.
A starfish can also be born this shape
a) Square
b) Circle
c) Hexagon
d) Pentagon
a) Square
Some starfish suffer from an extremely rare birth defect and are actually square in shape! It can only happen to sea stars with five points and the exact nature of the mutation is still unknown.
Which sea is the largest in the world?
a) Mediterranean Sea
b) Philippine Sea
c) Caribbean Sea
d) Coral Sea
b) Philippine Sea
Jellyfish have been around longer than dinosaurs and have survived ____ mass extinctions.
a) 2
b) 4
c) 5
d) 7
c) 5
The Great Barrier Reef is up to _______ feet deep.
a) 6,560
b) 7,875
c) 9,008
d) 10,112
a) 6,560
Dolphins are able to hear sounds from up to ___ kilometers away under water.
a) 1
b) 12
c) 24
d) 48
c) 24
The Mid-Ocean Ridge, which stretches over 65,000 km across the seafloor of all major oceans, is _ times longer than the Andes, Rockies and Himalayas combined.
a) 4
b) 6
c) 8
d) 10
a) 4 times
About what percent of the world's wildlife is found in the ocean.
Closest guess earns points!
94 percent
Most sharks have between 50 and ______ teeth.
Closest guess earns points!
300!
Closest guess earns points!
9,000
How many species of marine life are there?
Closest guess earns points!
230,000 known species
The current world record for the deepest scuba dive is _____ meters, set by Ahmed Gabr in the Red Sea in 2014.
Closest guess earns points!
332.5 meters!
It took him just 12 minutes to reach that depth, but it took over 15 hours for him to safely ascend to the surface!