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Grade 5 Diagnostic Testβ° Time: 30:00
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π Reading Passage
Octopuses are some of the smartest animals in the sea.They have eight arms, three hearts, and blue blood. Each arm has small cups called suckers that can taste and touch things at the same time. An octopus can use its arms to open jars and solve tricky puzzles. Scientists have watched them find their way through complex mazes. They can even recall the correct path weeks later, which shows strong memory.
One cool thing about octopuses is how they change color. Tiny parts in their skin can turn red, brown, white, or yellow in less than a second. They use this skill to blend in with rocks, sand, and coral so that predators cannot spot them. Some octopuses also change the texture of their skin. They can make it bumpy like a rock or smooth like sand, because matching both color and feel creates a better disguise against hunters like sharks.
Octopuses are also great at escaping.Their soft bodies have no bones, so the only hard part is their beak. This means they can squeeze through any hole bigger than that beak.In tanks, they have climbed out, crawled across the floor, and snuck into other tanks to grab food.Because they are so clever, many scientists study them to understand how being smart can look so different from the way people think. These animals show us that brains come in many forms.
Question 1 / 10Main Ideaβ Basic β’ 2 points
What is this passage mainly about, and what important idea does the author want readers to understand?
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Think: What is the whole passage focused on?
AThe remarkable abilities and intelligence of octopuses
BHow scientists work in aquariums
CDifferent animals that inhabit the ocean environment
DWhy the ocean is important for all life
Question 2 / 10Detailβ Basic β’ 2 points
How many hearts does an octopus have?
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One?
β€οΈβ€οΈ
Two?
β€οΈβ€οΈβ€οΈ
Three?
AOne heart, like most animals
BThree hearts
CEight hearts, one for each arm
DTwo hearts
Question 3 / 10Vocabularyβ Basic β’ 2 points
What does the word "texture" mean in this passage?
πͺ¨
Bumpy
π§
Smooth
AThe color of something
BThe size of something
CThe way something feels on the surface
DThe weight of something
Question 4 / 10Inferenceββ Standard β’ 3 points
Why is it important for octopuses to change both their skin color and texture at the same time?
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Color alone
π¨ + πͺ¨
Color + Texture
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Which hides better?
Think about what makes camouflage more effective.
ABecause they enjoy how it feels
BBecause matching both color and texture creates a more effective camouflage that makes them harder to discover
CBecause they want to scare other octopuses
DBecause it helps them swim faster
Question 5 / 10Author's Purposeββ Standard β’ 3 points
Why does the author include the example of octopuses escaping from aquarium tanks?
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Think: What does this story prove about octopuses?
ATo demonstrate how clever and resourceful octopuses are
BTo warn people that aquariums are unsafe
CTo explain why octopuses should not be kept in tanks
DTo describe the daily routine of aquarium workers
Question 6 / 10Text Structureββ Standard β’ 3 points
How is this passage organized?
1οΈβ£
Body & Brain
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2οΈβ£
Color Change
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3οΈβ£
Escape Skills
AIt tells a story about one octopus from birth to death
BEach paragraph describes a different remarkable ability of octopuses
CIt compares octopuses with other sea animals
DIt lists problems that octopuses cause for humans
Question 7 / 10Cause & Effectββ Standard β’ 3 points
Why can octopuses fit through tiny holes?
π¦΄β
Think about what allows their bodies to be so flexible.
ABecause they are very small animals
BBecause their soft, flexible bodies contain no bones
Using information from the entire passage, which sentence best explains why octopuses are considered special?
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Smart
Puzzles, escapes, tools
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Adaptable
Color, texture, shape
Combine the big ideas from the whole passage.
AOctopuses are interesting only because they have eight arms
BOctopuses combine intelligence, camouflage abilities, and flexible bodies in ways that amaze scientists and demonstrate that being smart takes many different forms
COctopuses are studied only because they escape from tanks
DScientists think octopuses will replace humans someday