Chapter 1
Survival in the twilight and midnight zones
Chapter 2
Life without sunlight at hydrothermal vents
Chapter 3
Bizarre giants of the abyssal plains
Chapter 4
Modern exploration tech and recent discoveries
YOUR GOAL
Master of Into the deep ocean
Ch 4 · Modern exploration tech and recent discoveries
artiteacher Deep-Sea Exploration
New tech dives down so deep, Secrets the ocean keeps. Ghostly worms and jellies glow, Life we're just starting to know.
artiteacher These living glass structures, once thought to be extinct since the dinosaur era, were discovered alive in 1987.
artiteacher Unmanned remotely operated vehicles (ROVs) allow scientists to explore and sample the deep sea from the comfort of a ship.
BETA
artiteacher Identify strange new creatures to understand their incredible deep-sea world.
Fun Fact
Mariana Trench pressure: At the bottom of the Mariana Trench, the water pressure is equivalent to an elephant standing on your thumb.
Glossary
submersible (noun)
A ship or other craft designed to operate completely submerged underwater. In 2012, filmmaker James Cameron piloted a specialized submersible to the bottom of the Mariana Trench.
A ship or other craft designed to operate completely submerged underwater. In 2012, filmmaker James Cameron piloted a specialized submersible to the bottom of the Mariana Trench.
Quiz
What is the name of the historic Swiss-designed bathyscaphe that reached the bottom of the Challenger Deep?
Quiz
What is the main operational difference between an ROV and a manned submersible?
Quiz
Who were the two explorers who made the historic first dive to the bottom of the Mariana Trench in 1960?
Quiz
What deep-sea jellyfish resembles a spectacular firework display when hit by submersible lights?
Quiz
Where were living glass sponge reefs, once thought to have gone extinct with the dinosaurs, rediscovered in 1987?
Quiz
What is the nickname of the bright yellow-orange deep-sea sea cucumber discovered in 2022?
Quiz
What purpose does the long, tail-like appendage of the gummy squirrel sea cucumber serve?