The Giant Squid: Ocean's Hidden Giant — Passage and Quiz

Grades
5
6
7
8
Standards
MS-LS4-2
RI.6.3
RI.7.3
RI.8.8
PRINT+DIGITAL RESOURCE
This learning resource is available in interactive and printable formats. The interactive worksshet can be played online and assigned to students. The Printable PDF version can be downloaded and printed for completion by hand.
ABOUT THIS READER
Aligned to MS-LS4-2, this passage examines giant squid evolutionary adaptations like 10m tentacles, suction-cup hooks, and pressure-resistant bodies. Students explore deep-sea predator-prey dynamics (sperm whale battles) and how structural features support survival in complete darkness, making complex evolutionary concepts accessible for middle school.
Publisher: Workybooks
|
Written by:Neha Goel Tripathi
|
Illustrated by:
CONTENT PREVIEW

The Giant Squid: Ocean's Hidden Giant

Lurking in the dark depths of the ocean lives one of nature's most mysterious creatures—the giant squid(Architeuthis dux). These deep-sea monsters have inspired legends for centuries, but only in recent years have scientists begun to understand their true nature.

 

Giant squids are among the largest invertebrates on Earth. They can grow to 43 feet (13 meters) long, with eyes as big as dinner plates—the largest in the animal kingdom! Their eight arms and two long feeding tentacles are lined with powerful suction cups, some with sharp, rotating hooks to grip prey.

 

These colossal cephalopods are fierce hunters. They primarily feed on:

●       Deep-sea fish

●       Other squid species

●       Even small whales in some cases!

 

Using their excellent vision and jet propulsion, they ambush prey in the darkness. Their sharp beak can tear through flesh with ease.

Giant squids inhabit all the world's oceans, typically between 1,000-3,000 feet deep. They're rarely seen alive, with most knowledge coming from specimens caught in fishing nets or washed ashore. Recent deep-sea footage has shown they're more active hunters than previously thought.

 

The giant squid's only known natural predator is the sperm whale. Scars from squid suckers often cover whales' faces—evidence of epic deep-sea battles!

Quiz

1. How big are giant squids?

A
20 feet
B
43 feet
C
60 feet
D
100 feet

2. What makes giant squid eyes special?

A
They glow in the dark
B
They're the largest in the animal kingdom
C
They can see colors humans can't
D
They have multiple pupils

3. What do giant squids NOT typically eat?

A
Deep-sea fish
B
Other squid
C
Seaweed
D
Small whales

4. Where do giant squids live?

A
Coral reefs
B
1,000-3,000 feet deep
C
At the ocean surface
D
Freshwater lakes

5. What is the giant squid's main predator?

A
Great white shark
B
Sperm whale
C
Killer whale
D
Humans

6. How do giant squids catch their prey?

A
Using bioluminescent lures
B
Ambush hunting in darkness
C
Filter feeding
D
Photosynthesis

7. What special feature helps giant squids grip prey?

A
Sticky mucus
B
Sharp rotating hooks
C
Electrical shocks
D
Poisonous barbs

8. Most knowledge about giant squids comes from:

A
Live observations
B
Fishing net catches and beach strandings
C
Fossil records
D
Aquarium exhibits

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