Deep Sea Creatures
This friendly mammal lives in the sunlight zone and loves to jump out of the water.
🐬 What is a dolphin?
This zone is warm and full of sunlight.
☀️ What is the sunlight zone?
The deeper you go, the water gets (hotter or colder)?
❄️ What is colder?
Some fish swim together in groups called what?
🐟 What is a school?
This covers over 70% of Earth’s surface.
🌊 What is the ocean?
This animal has eight arms and lives in rocky parts of the ocean.
🐙 What is an octopus?
This zone is darker and cooler — like ocean sunset.
🌅 What is the twilight zone?
True or False: Pressure increases the deeper you go.
✅ What is True?
Animals that glow in the dark use this power.
💡 What is bioluminescence?
This huge body of salt water is divided into five main ones — can you name one?
🌍 What is the Pacific, Atlantic, Indian, Arctic, or Southern Ocean?
This fish uses light on its head to attract prey in the midnight zone.
💡 What is an anglerfish?
In this zone, it’s so dark that animals make their own light.
🌌 What is the midnight zone?
Why do deep-sea animals move slowly?
🐌 To save energy in cold, low-food environments.
Why do some animals in the sunlight zone have dark backs and light bellies?
🎨 For camouflage — it helps them blend in.
What do scientists call the tiny drifting plants and animals near the surface?
🔬 What is plankton?
This soft-bodied creature has huge eyes to see in the dark twilight zone.
👁️ What is a giant squid?
This zone has freezing temperatures and very few animals.
❄️ What is the abyss zone?
What helps some animals survive crushing pressure?
💪 Soft, flexible bodies (or special proteins).
What do we call the slow fall of tiny food bits from upper layers?
❄️ What is marine snow?
How do scientists measure ocean depth?
📏 Using sonar or echo sounding.
These trench-dwelling fish survive under extreme pressure and have transparent bodies.
What are snailfish (or hadal fish)?
This deepest zone is found in huge ocean trenches.
⚫ What is the hadal (trench) zone?
Name one way scientists explore deep pressure zones without going themselves.
🤖 Using submarines, ROVs, or deep-sea robots.
Name two special adaptations deep-sea animals use to find or catch food.
🦈 Light lures, huge mouths, big eyes, or strong smell.
What’s the deepest known point in the ocean called?
⛰️ What is the Mariana Trench?