Activity 01
0 of 3 clues foundDeep-sea signal search
Probe the dark water. Three glowing creatures are hiding below.
The Ocean · Expedition now open
Dive Through
the Ocean
Descend through the ocean zones, record every creature in the book, solve underwater challenges, and earn your Junior Ocean Explorer badge.
Ocean expedition
0%
Ocean atlas
One ocean, five great basins
Earth’s oceans are connected. The book’s sunlight, twilight, and midnight zones can be found across these vast basins.
PacificAtlanticIndianPacificArcticSouthern
Markers show major examples, not every place where this biome occurs.
Stop 01 · Depth dive
From sunlight to midnight
Choose an ocean zone to see how light, pressure, and life change as you descend.
Surface to about 200 m
A bright blue nursery
Sunlight powers reefs and plankton, supporting an enormous web of ocean life.
Stop 02 · Complete creature library
Build your field journal
Search every creature in the original book, compare their adaptations, or let the expedition choose your next discovery.
47creatures in this view
Stop 03 · Training ground
Think like an explorer
Search, inspect, sort, and test what you have learned.
Activity 02
Sound detective
This clever swimmer uses returning echoes to build a picture of its surroundings. Who is it?
Activity 03
Depth dispatcher
Match each ocean animal to the zone where it is most at home.
0 of 4 correctly sorted
Final stop
The Junior Ocean Explorer challenge
Answer all three questions correctly to finish this expedition.
Where does sunlight disappear?
Which is Earth’s largest animal?
Which fish carries a glowing lure?
Your Explorer Passport
Four worlds. One grand expedition.
Complete a world to earn its stamp. Your passport travels with you on this device.
Your field journal
0 of 47 creatures recorded
Your discoveries are saved on this device, so you can return and continue later.