A 5-day Grade 4 informational text unit guiding students through topic vs. main idea, supporting evidence pillars, objective summarizing, and multiple-choice distractor traps.
Directly proves HOW they reshape the physical ecosystem.
Detail B
"Beavers have bright orange enamel on their large front teeth."
VERDICT: INTERESTING TRIVIA!
100% true and fascinating, but does NOT prove ecosystem reshaping.
Test Rule: Just because a sentence is true doesn't make it a supporting pillar!
Day 3 • Objective Summarizing Writing with Scientific Precision
The Robot Scientist Rule
Movie Trailer Metaphor
The 2-Minute Preview, Not the Script!
Do not recite every line or scene. Give the big picture: the central claim plus the 2 strongest evidence pillars.
Zero Feelings Allowed!
Report Verified Facts Only
Beware of Opinion Traps:
Never include words like "amazing," "cool," "terrible tragedy," or "I think."
Objective Summary Formula = Main Idea Claim + 2 Evidence Pillars (35–50 Words Total)
Day 3 • Strategy Guide Step-by-Step Summary Audit
The 4-Filter Summary Screen
FILTER 1
Include Main Idea
State the author's overarching central claim right away.
FILTER 2
Include 2 Pillars
Add the two weight-bearing supporting details from the text.
FILTER 3
Filter Out Trivia
Delete interesting bonus facts that do not support the claim.
FILTER 4
Filter Out Opinions
Strike out any personal judgments, emotions, or first-person pronouns.
Pass the Test: If any summary contains personal opinions, it is an automatic distractor!
Day 4 • Test Strategy The Test-Maker's Playbook
The 4 Distractor Traps
[TN] Too Narrow
Trap #1
The sentence is 100% true and appears in the text, but it is only a single detail from one sentence. It does not shelter the whole passage!
[TB] Too Broad
Trap #2
A giant, sweeping topic statement that goes way beyond the scope of the passage (e.g., talking about all animals instead of desert foxes).
[FF] False Fact
Trap #3
Twists words or misstates what happened in the passage to trick students who only glance at keywords.
[NIT] Not in Text
Trap #4
Sounds plausible and realistic in everyday life, but the text never actually mentioned it at all!
Rule: Don't just pick the right answer — eliminate and tag every wrong answer with its trap initials!
Day 4 • Elimination Modeling Mentor Question Analysis
Question: Which sentence best states the main idea of the passage on chameleon adaptations?
Option A
"Chameleons possess specialized skin cells called chromatophores."
[TN] Too Narrow! (Sentence 2 only)
Option B
"All reptiles use amazing camouflage tricks to stay alive."
[TB] Too Broad! (Passage is only chameleons)
Option C
"Chameleons shift their skin color to communicate mood and regulate temperature."
CORRECT! (Complete Claim)
Always draw a physical slash through eliminated options on your test sheet!
Day 5 • Mastery Showcase Summative Assessment Protocol
Licensed Test Detective Checklist
DIRECTIVE 1
Mark Evidence
Circle the repeated topic in yellow. Underline the author's central claim sentence.
DIRECTIVE 2
Tag the Traps
Write TN, TB, FF, or NIT beside every eliminated option before picking your answer.
DIRECTIVE 3
Audit Summary
Verify 35–50 words, include 2 pillars, and verify zero opinion adjectives sneak in!
You have all the detective tools. Read closely and show what you know!
3. What happens to an author's claim if they provide no supporting evidence?
Part 2: Independent Practice — Roman Aqueducts Blueprint
15 Mins
Ancient Roman aqueducts were revolutionary engineering achievements that sustained major cities. Engineers sloped these stone channels at an exact, gentle downhill gradient so gravity alone pushed freshwater across dozens of miles. Massive stone arches supported the heavy conduits over deep valleys, while sealed pipes carried clean drinking water directly to public fountains and baths.
Central Tabletop Claim Roman aqueducts were revolutionary engineering systems that supplied cities with water.
Pillar 1: Gravity Slope
Write evidence quote or paraphrase:
Proves how water moved without pumps.
Pillar 2: Stone Arches
Write evidence quote or paraphrase:
Proves structural mastery over valleys.
Pillar 3: City Distribution
Write evidence quote or paraphrase:
Proves delivery to public spaces.
Part 3: Daily Exit Slip 5 Mins
Complete the sentence stem:
"A text detail is only a weight-bearing pillar if it proves..."
Core Idea Quest • Unit RI.4.2 Page 2 of 5
Day 3 • In-Class Practice
Summary Sleuths Practice
Name:
Date:
Part 1: Do Now — The Robot Scientist Strike-Out
6 Mins
A Robot Scientist reports only verified facts with ZERO opinions or emotional words. Read the draft below and use your pencil to draw a line through all 3 opinion words/phrases.
"The magnificent honeybee performs an amazing waggle dance to show other bees where flowers are located. I believe this is the coolest behavior in all of nature."
Part 2: Independent Practice — Acacia & Ant Mutualism
15 Mins
In the East African savanna, whistling thorn acacia trees and stinging ants depend on each other for survival. The acacia tree provides hollow thorns for ant colonies to nest inside, along with sweet nectar from the bases of its leaves. In return, aggressive ants patrol the branches and fiercely sting large plant-eating animals, such as giraffes and elephants, preventing them from eating the tree’s delicate leaves.
Draft Your Objective Summary (Goal: 35–50 Words) Word Count: _____ words
4-Point Self-Audit Checklist:
Main idea included 2. Two pillars included 3. Zero minor trivia 4. Zero opinion words
Part 3: Daily Exit Slip 5 Mins
Why does writing "This interesting insect..." ruin an objective summary?
Core Idea Quest • Unit RI.4.2 Page 3 of 5
Day 4 • In-Class Practice
Distractor Trap Tagging
Name:
Date:
Part 1: Do Now — The 4 Trap Codes
6 Mins
Match each trap abbreviation to its description by writing the correct letter on the line:
___ [TN] Too Narrow
___ [TB] Too Broad
___ [FF] False Fact
___ [NIT] Not in Text
Part 2: Independent Practice — Test Detective Mission
15 Mins
Passage: Chameleon Skin Secrets
Chameleons are famous for altering their skin pigmentation, but this ability is not primarily used for hiding from danger. Instead, chameleons shift colors mainly to communicate social signals and regulate their body heat. Underneath their transparent outer skin, specialized cells called iridophores contain tiny nanocrystals that spread apart or cluster tightly. When relaxed, they reflect blue and green light; when excited or defending territory, they reflect bright yellow, orange, and red wavelengths. Darker tones also absorb warm solar energy on chilly mornings.
Question 1: Which sentence states the main idea of the passage?
Directions: Write the trap code [TN, TB, FF, NIT] and draw a slash through eliminated choices. Circle the correct answer.
(A) Chameleons possess nanocrystals called iridophores in their skin cells. Trap: [ _____ ]
(B) All reptiles undergo complex bodily changes to survive harsh environments. Trap: [ _____ ]
(C) Chameleons primarily change color to communicate mood and adjust body temperature. Trap: [ _____ ]
(D) Chameleons change color to hunt birds in high jungle canopies. Trap: [ _____ ]
Part 3: Daily Exit Slip 5 Mins
Explain: Why is a "Too Narrow" [TN] answer choice so tempting on reading tests?
Core Idea Quest • Unit RI.4.2 Page 4 of 5
Day 5 • Assessment Warm-Up & Strategy
Mastery Showcase Mission Prep
Name:
Date:
Part 1: Do Now — Bees & Honey Challenge
5 Mins
Look at the sentence: "Bees collect flower nectar to create honey for the colony."
Complete Main Idea Sentence: _________________________________
Remember: Never just write "bees" as a main idea!
Part 2: Pre-Assessment Strategy Audit
8 Mins
Your 4 Detective Rules for Today's Assessment:
The Umbrella Test: Make sure the main idea you pick shelters all facts in the passage.
The Pillar Check: Verify each detail actually proves the claim rather than being fun trivia.
Robot Scientist Summary: Zero opinion adjectives allowed in your written response.
Slash and Tag: Cross out distractors with a physical pencil slash and label TN, TB, FF, or NIT.
"I pledge to read every passage carefully, prove my answers with text evidence, and tag all distractor traps!"
Detective Signature:
Part 3: Final Unit Reflection & Exit Slip 5 Mins
Write your #1 golden tip for finding the main idea in any informational text:
Core Idea Quest • Unit RI.4.2 Page 5 of 5
Why is the sentence about lifespan considered trivia instead of a supporting pillar?
Student verified evidence directly proves the central claim
Parent/Guardian Signature:
Core Idea Quest • Homework Packet Page 2 of 5
Day 3 • Evening Homework
Robot Scientist 4-Filter Summary
Name:
Due Date:
Goal: Write an objective summary of 35–50 words with zero opinion words.
Est. 15–20 Mins
Nonfiction Reading Passage
Hydrothermal Vents in the Deep Ocean
Deep on the ocean floor, underwater hot springs called hydrothermal vents support thriving ecosystems without sunlight. Water heated by volcanic magma under the Earth's crust erupts from chimney-like mineral towers, carrying rich mixtures of sulfur and iron. Microscopic bacteria consume these toxic chemicals to generate energy through chemosynthesis. In turn, giant tube worms and ghost crabs feed on the dense bacteria, forming a complete food chain in freezing water.
Filter 1 Main Idea Claim
Filter 2 2 Key Pillars
Filter 3 No Minor Trivia
Filter 4 Zero Opinions
Write Your Objective Summary (35–50 Words) My Word Count: _______ words
Robot Scientist Final Audit (Check all 4):
Contains the central claim about hydrothermal vents Mentions bacteria chemosynthesis and food chain Contains zero emotional adjectives (e.g., amazing, cool) Word count is strictly between 35 and 50 words
Verified zero opinion words included in summary
Parent/Guardian Signature:
Core Idea Quest • Homework Packet Page 3 of 5
Day 4 • Evening Homework
Distractor Trap Designer
Name:
Due Date:
Goal: Step into the test-maker's shoes and author tricky distractor traps!
Est. 15–20 Mins
Nonfiction Reading Passage
Monarch Butterfly Migration
Every autumn, millions of monarch butterflies undertake an incredible 3,000-mile journey from Canada and the United States to the mountain forests of central Mexico. To survive the long trek, monarchs navigate using an internal sun compass located in their antennae. They ride thermal air currents to conserve energy and cluster by the thousands on oyamel fir trees to stay warm during winter freezes.
The Actual Main Idea (Correct Answer): "Monarch butterflies rely on specialized navigation and survival behaviors to complete an arduous annual migration."
Task 1: Author a [TN] Too Narrow Distractor Trick #1
Write an answer choice that is 100% true from the text, but only covers one isolated sentence.
Why would an unprepared student pick this? _________________________________________
Task 2: Author a [TB] Too Broad Distractor Trick #2
Write an answer choice that states a giant general topic that goes way beyond this passage.
Why would an unprepared student pick this? _________________________________________
Student demonstrated mastery of test distractor design
Parent/Guardian Signature:
Core Idea Quest • Homework Packet Page 4 of 5
Day 5 • Weekend Homework
Nonfiction Reading Log & Strategy Reflection
Name:
Due Date:
Goal: Read 20 minutes in an independent nonfiction book and apply all Core Idea Quest tools!
Est. 20–25 Mins
Book / Article Title:
Author:
Pages Read:
Minutes Read (Min. 20):
1. The Topic (1–2 Words):
2. Central Main Idea Claim (Complete Sentence):
3. Supporting Pillar #1:
4. Supporting Pillar #2:
5. Core Idea Quest Reflection:
Which strategy helped you most this week (The Umbrella Test, The 3-Legged Table, The 4-Filter Screen, or Trap Tagging)? Explain why:
Verified student completed 20 minutes of nonfiction reading
Parent/Guardian Signature:
Core Idea Quest • Homework Packet Page 5 of 5
Pillar 1: Gravity Slope
"Engineers sloped stone channels at a gentle downhill gradient so gravity alone pushed water."
Proves self-sustaining movement without modern pumps.
Pillar 2: Stone Arches
"Massive stone arches supported the heavy conduits over deep valleys."
Proves architectural innovation across difficult terrain.
Pillar 3: City Distribution
"Sealed pipes carried clean drinking water directly to public fountains and baths."
Proves how the system sustained urban populations.
Part 3: Daily Exit Slip Scoring Criteria 2 Points
Sentence Stem Completion Exemplar:
"...if it proves the author's central claim rather than just providing interesting bonus trivia."
Grading Rule: Award full credit if student connects "pillar" directly to proving/supporting the central thesis.
Core Idea Quest • Answer Key & Guide Page 2 of 5
Teacher Guide & Key
Day 3: Summary Sleuths Answer Key
Standard RI.4.2
Objective Summary Solutions
Part 1: Do Now Strike-Out Key
Student must strike through the 3 opinion words/phrases:
"The [1. magnificent] honeybee performs an [2. amazing] waggle dance... [3. I believe this is the coolest behavior in all of nature.]"
Part 2: Acacia & Ant Mutualism Summary Exemplar
Exemplar Objective Summary (41 Words): Passes All 4 Filters
"Whistling thorn acacia trees and stinging ants maintain a mutual partnership to survive. The tree offers hollow living thorns and sweet nectar to the ants, while the ants fiercely defend the tree's foliage by stinging large herbivores like giraffes."
Filter 1: PASS Central mutualism claim
Filter 2: PASS Tree food/shelter + ant defense
Filter 3: PASS No minor geography trivia
Filter 4: PASS Zero opinion adjectives
Part 3: Daily Exit Slip Scoring Criteria 2 Points
Exemplar Response:
"The word 'interesting' is a personal opinion and emotional adjective. An objective summary must report only verified facts without human feelings or value judgments."
Core Idea Quest • Answer Key & Guide Page 3 of 5
Teacher Guide & Key
Day 4: Distractor Traps Answer Key
Standard RI.4.2 & RI.4.1
Test Strategy Solutions
Part 1: Do Now Trap Matching Key
[TN] Too Narrow: An isolated true fact from 1 sentence.
[TB] Too Broad: A giant claim beyond passage scope.
[FF] False Fact: Directly twists or contradicts facts.
[NIT] Not in Text: Plausible real-world idea missing in passage.
"Chameleons possess nanocrystals called iridophores..." True sentence from paragraph 2, but only describes the cellular tool, not the author's primary claim.
(B) [TB] Too Broad
"All reptiles undergo complex bodily changes..." Unwarranted generalization beyond chameleons.
(C) CORRECT ANSWER
"Chameleons primarily change color to communicate mood and adjust body temperature." Shelters all details (social signals + solar heat regulation).
(D) [FF / NIT] False Fact / Not in Text
"Chameleons change color to hunt birds..." Fabricated detail; text explicitly disproves hunting disguise as the primary purpose.
Part 3: Daily Exit Slip Scoring Criteria 2 Points
Exemplar Response:
"A 'Too Narrow' distractor is tempting because students recognize the exact words in the passage and know it is true, confusing a factual detail with the overarching claim."
Core Idea Quest • Answer Key & Guide Page 4 of 5
Teacher Guide & Key
Day 5: Mastery Showcase Scoring Guide
Standard RI.4.2
Summative Assessment Protocol
Part 1: Do Now Bees & Honey Solutions
Topic (1–2 Words): Honeybees / Honey making
Complete Main Idea Sentence: "Bees gather flower nectar in order to manufacture honey for hive survival."
Part 2: Summative Benchmark Bands & Answer Key
12-Question Mastery Key (#687271): DOK 2 & 3
Q1: C (Main Idea)
Q2: A (Pillar Detail)
Q3: D (Trap Tagging)
Q4: B (Inference)
Q5: C (Main Idea)
Q6: B (Pillar Detail)
Q7: A (Trivia ID)
Q8: D (Context Clue)
Q9: B (Main Idea)
Q10: C (Pillar Detail)
Q11: A (Trap Tagging)
Q12: Rubric (Summary)
Advanced (83–100%) 10–12 Points Correct
Approaching (67–75%) 8–9 Points Correct
Tier 2 Reteach (<67%) ≤7 Points Correct
Part 3: Golden Tip Reflection Look-For
"Look for whether the sentence covers all paragraphs like an umbrella, not just one interesting fact in the first or last line."
Criteria: Student articulates a generalized metacognitive reading strategy.
Core Idea Quest • Answer Key & Guide Page 5 of 5
Core Idea Quest • Homework Keys & Rubrics Page 2 of 5
Teacher Homework Key
Day 3: Robot Scientist Summary Key
Standard RI.4.2
Passage: Hydrothermal Vents
Total Points: 10 Points (4 Filters = 2 pts each + Length Constraint = 2 pts) Mastery: 8+ pts
Model Student Summary (Count: 43 Words): Meets 35–50 Word Window
"Hydrothermal vents in the deep ocean sustain thriving ecosystems without sunlight. Water heated by underground magma carries minerals that microscopic bacteria convert into chemical energy. In turn, dense communities of giant tube worms and crabs feed on the bacteria to survive."
4-Filter Scoring Rubric Breakdown:
Filter 1: Main Idea Claim (2 Pts)
Must state that hydrothermal vents sustain living ecosystems without sunlight.
Filter 2: Two Evidence Pillars (2 Pts)
Must include bacteria chemosynthesis and animal food chain.
Filter 3: Zero Minor Trivia (2 Pts)
Omits minor mineral formulas or non-essential geographical trivia.
Filter 4: Zero Opinion Words (2 Pts)
Deduct 2 points if words like "cool", "terrifying", or "amazing" appear.
Length Constraint (2 Pts): Award full 2 points only if word count is between 35 and 50 words. Award 1 point for 30–34 or 51–55 words. Award 0 points if under 30 or over 55 words.
Core Idea Quest • Homework Keys & Rubrics Page 3 of 5
Teacher Homework Key
Day 4: Distractor Trap Designer Key
Standard RI.4.2 & RI.4.1
Passage: Monarch Migration
Task 1: Author a [TN] Too Narrow Distractor (5 Pts) Trap Model
Model Student Question Option:
"Monarch butterflies have an internal sun compass located in their antennae."
Why it works as a trap: It is 100% true and directly lifted from the text, but it only describes one navigational tool rather than the complete migration journey.
Task 2: Author a [TB] Too Broad Distractor (5 Pts) Trap Model
Model Student Question Option:
"Animals all around the globe travel enormous distances when seasons change."
Why it works as a trap: It sounds true and important, but it blows the passage way out of proportion by discussing all animals instead of focusing on monarch adaptations.
Grading Criteria for Student-Authored Traps:
Too Narrow (3 pts option + 2 pts explanation): Must be a factual detail from the text that fails to shelter the whole text.
Too Broad (3 pts option + 2 pts explanation): Must state an overly broad topic generalization that exceeds the passage scope.
Core Idea Quest • Homework Keys & Rubrics Page 4 of 5
Teacher Homework Key
Day 5: Weekend Reading Log & Rubric
Standard RI.4.2
Independent Nonfiction Reading
Model Student Reading Log Entry: Sample Text: Giant Squids: Monsters of the Deep
1. Topic (1–2 Words):
Giant squids
2. Central Main Idea Claim:
"Giant squids possess extraordinary body features that allow them to hunt in deep, freezing ocean trenches."
3. Supporting Pillar 1:
Their basketball-sized eyes absorb the tiniest traces of bioluminescent light.
4. Supporting Pillar 2:
Long feeding tentacles with sharp toothed suckers grab prey from yards away.
5. Strategy Reflection Exemplar:
"The 3-Legged Tabletop strategy helped me most because it made me double-check if each fact was an actual weight-bearing pillar or just cool trivia like squid weight."
4-Point Holistic Evaluation Rubric:
Score 4 (Exemplary): Topic is 1–2 words; main idea is a complete claim with subject + predicate; 2 pillars directly prove the claim; reflection names a specific unit strategy and explains its personal utility.
Score 3 (Proficient): Topic and main idea are correct; 2 pillars provided (may be slightly quote-heavy); reflection explains strategy used.
Score 2 (Approaching): Main idea is written as a topic or 1-sentence summary; 1 pillar is trivia; reflection is vague.
Score 1 (Needs Support): Missing central claim or evidence; no strategy reflection provided.
Core Idea Quest • Homework Keys & Rubrics Page 5 of 5
Memory Hook: A 2-minute movie trailer reported by a robot.
Day 4 Trap
[TN] TOO NARROW
The 1-Sentence Trick
Trap Warning: "It is 100% true in the text, but only covers one tiny corner!"
Card 5 • Front
Student Definition
A distractor that quotes an isolated fact from one sentence. Students pick it because it's true, but it fails to shelter the whole text.
Distractor Example:
"Chameleons have skin cells called iridophores."
Memory Hook: A tiny cocktail umbrella that leaves you soaked!
Day 4 Trap
[TB] TOO BROAD
The Oversized Topic
Trap Warning: "It makes a giant general claim that goes far beyond the passage!"
Card 6 • Front
Student Definition
A distractor that makes a sweeping generalization far bigger than the passage. It sounds important, but the text never provided proof for it.
Distractor Example:
"All animals in nature must adapt to harsh climates."
Memory Hook: A giant circus tent that swallows the entire neighborhood!
Core Idea Quest • Vocabulary Flashcards Page 2 of 2
(A) Tropical leaves are coated in toxic oils that burn their mandibles.
(B) Their bodies cannot directly digest tough raw plant fibers without the fungus breaking it down.
(C) The soldier ants hoard all the fresh leaves in locked chambers.
(D) The queen forbids worker ants from chewing food outside the nest.
Passage 2 Marine Biology
Creatures of the Midnight Zone
[1] More than three thousand feet below the ocean's surface lies the bathypelagic zone, commonly called the midnight zone. In this realm of total blackness, icy temperatures hover near freezing, and water pressure is immense. Despite these hostile conditions, deep-sea organisms thrive by generating their own living illumination through bioluminescence.
[2] Deep-sea animals use this living light in ingenious ways to stay alive. The female anglerfish dangles a glowing fleshy bulb populated by luminescent bacteria directly over its needle-sharp teeth, coaxing curious prey into striking distance. Meanwhile, the lanternfish flashes rows of glowing photophores along its belly to match faint downwelling light from above, concealing its silhouette from hungry predators swimming below.
5. Which sentence best expresses the central message (main idea) of Passage 2?
(A) The midnight zone ocean water is pitch black and near freezing. [ ]
(B) The ocean floor is home to giant shipwrecks and unexplored trenches. [ ]
(C) Midnight zone creatures rely on bioluminescent adaptations to hunt and conceal themselves in darkness. [ ]
(D) Anglerfish are the only organisms that generate light in the deep ocean. [ ]
6. Which detail provides a weight-bearing pillar supporting the claim that bioluminescence helps animals catch food?
(A) Seawater at 3,000 feet deep experiences tremendous water pressure. [ ]
(B) The female anglerfish dangles a glowing bacterial lure over its teeth to entice prey into striking distance. [ ]
(C) Blue light travels farther through cold ocean water than red light. [ ]
(D) Scientists deploy robotic submersibles to take digital photographs of deep trenches. [ ]
Unit RI.4.2 Mastery Showcase • Test Form #687271 Page 2 of 4
Test Form #687271 • Section 2 (Continued) & Section 3
Student Name:
7. Suppose a text stated: "The lanternfish was first documented by marine biologists in 1887." Why is this detail classified as TRIVIA?
(A) It is an interesting historical fact, but it does not prove how bioluminescence helps animals survive.
(B) It is a false statement made up by test creators.
(C) It is the overarching central claim of the whole passage.
(D) It proves that lanternfish are the oldest fish species in the ocean.
8. In paragraph 1, what does the word bioluminescence mean as used in the passage?
(A) Sunlight reflecting off ocean waves.
(B) Heat emitted by seafloor volcanic vents.
(C) Batteries powering research submarines.
(D) The production and emission of light by a living organism.
Passage 3 Ecology
Life in the Rainforest Canopy
[1] High above the shadowed ground of tropical rainforests stretches the canopy layer, a dense green ceiling formed by overlapping tree crowns sixty to one hundred feet in the air. This sun-drenched roof functions as the primary engine of the rainforest, providing abundant fruits, flowers, and safe shelter that support the vast majority of all rainforest wildlife.
[2] Life in the canopy is so self-contained that countless species spend their entire lives without ever touching the forest floor. Spider monkeys leap between interlaced branches using prehensile tails, feeding on figs and wild nuts. Epiphytic plants called bromeliads grow directly on high branches without soil, capturing gallons of rainwater in their central rosettes. These miniature aerial pools provide essential drinking water, food, and breeding ponds for vibrant poison dart frogs and tree crickets far above ground predators.
9. What is the main idea of Passage 3?
(A) Spider monkeys use prehensile tails to eat ripe figs in tall trees. [ ]
(B) The canopy layer provides abundant food and shelter that sustains the majority of rainforest animals. [ ]
(C) Rain falls constantly on tropical rainforests around the equator. [ ]
(D) Bromeliads are poisonous plants that harm arboreal frogs. [ ]
10. Which detail is a weight-bearing pillar proving that canopy animals can survive without visiting the ground?
(A) Rainforests produce large amounts of oxygen for the atmosphere. [ ]
(B) The canopy receives strong gusts of wind during thunderstorms. [ ]
(C) Bromeliads trap pools of rainwater on high branches, providing water and breeding habitats. [ ]
(D) Tree crowns are between sixty and one hundred feet above the soil. [ ]
Unit RI.4.2 Mastery Showcase • Test Form #687271 Page 3 of 4
Test Form #687271 • Final Section: Constructed Response
Student Name:
11. An eliminated answer choice states: "All animals on Earth prefer living high above the ground." What trap initial code should a Test Detective write beside this choice?
(A) [TB] Too Broad — It makes a sweeping claim far beyond tropical rainforests.
(B) [TN] Too Narrow — It only quotes one detail from the spider monkey sentence.
(C) [NIT] Not in Text — The text says all animals live on the forest floor.
(D) Correct Answer — This accurately expresses the author's main idea.
