Crucible Spark Worksheet
Grade 5 • Guided Reading & Science Inquiry RL.5.1 • RL.5.2 • PS.5.1.1 • PS.5.1.2 • PS.5.1.3
Name:
Date:
Period:
Guided Narrative Scaffolded Edition
The Crucible Spark
Follow along and look for the numbered paragraphs [1]–[5] when answering questions.
Reading Strategy Chunk & Check
[1] Autumn rain hammered the tin roof of Uncle Donald’s workshop, a maze of brass gears, workbenches, and humming vintage instruments. Maya huddled over a salvaged copper maritime compass, its casing dulled by decades of sea spray. "Before you clean an artifact, Maya, you must observe it methodically," Uncle Donald reminded her, adjusting his brass-rimmed spectacles. "Start with a qualitative record—note what you can perceive through your senses before taking any measurements." Maya leaned close, cataloging its chalky turquoise crust, gritty roughness, and cold touch.
[2] Maya set the compass onto a calibrated balance beam. "Its mass reads exactly 340 grams," she reported. Donald nodded approvingly. "Mass tells us how much actual matter is packed inside, regardless of gravity or shape. Even if we bend this hinge or polish the rim, its total mass will remain steady because matter cannot simply vanish." He tapped the metal casing gently. "Every substance possesses an identifiable physical property—such as its warm metallic luster, density, and melting point—that helps us determine what it is without altering its core identity."
Stop & Jot 1: Bending or polishing changes shape, but total mass stays the same! Checkpoint
[3] Suddenly, lightning flashed violently through the skylight, accompanied by a deafening crash. The workshop plunged into absolute darkness; the storm had severed the main power lines. The only lifeline was the harbor beacon circuit on the emergency battery bench, but its signal light remained dead. "The beacon's contact wire snapped," Donald said calmly, striking a flint to light an oil lamp. "We must solder a new bridge immediately, but first we need clean solder." He warmed a rod of tin-lead alloy over an alcohol burner. Under the flame, the solid metal underwent a change in phase, melting into a shimmering silver droplet before freezing solid once more as it cooled. "Notice that heating it alters its state from solid to liquid, but its atoms stay tin and lead," Donald noted.
[4] However, the tarnished compass hinge proved far more stubborn; it was completely seized by oxidation. Maya brushed lemon-salt solution over the crusty green surface. Instantly, sharp bubbling began, releasing a distinct pungent aroma as the green coating dissolved into dark brown liquid. "That effervescence proves we are witnessing chemical changes," Maya whispered, eyes wide. Donald smiled: "Indeed. Unlike melting solder, chemical changes transform matter at the molecular level, yielding entirely new substances. Just like life, Maya—some obstacles only alter your surface posture, while true breakthroughs transform you permanently inside."
[5] To power the emergency beacon, they needed an electrolyte bath. In a glass beaker, Maya stirred coarse sea salt into distilled water until every crystal disappeared, forming a completely uniform solution. Meanwhile, Donald sifted iron filings from a gritty mixture of sand and pebbles using a strong bar magnet to clear the battery terminals. Finally, Maya bridged the broken contact gap with a strip of copper wire. As an outstanding electrical conductor, the copper allowed electric current to surge through the closed loop. The beacon bulb flared amber and steady into the rainy night, guiding the harbor ships safely toward shore.
Word Bank & Pronunciation Clues
qualitative [kwol-i-tey-tiv]
Traits from senses (color, texture).
mass [mass]
Amount of matter (grams).
phase [feyz]
State of matter: solid, liquid, gas.
conductor [kuhn-duhk-ter]
Carries heat or electricity.
Part 1
Standards Check: Multiple Choice Questions
Hint: Check the bracketed paragraph clues!
1
[RL.5.1 • Look at Paragraph 1] Which direct quotation shows Uncle Donald wants Maya to use her senses first?
A "Its mass reads exactly 340 grams."
B "Start with a qualitative record—note what you can perceive through your senses..."
C "The beacon's contact wire snapped."
D "He warmed a rod of tin-lead alloy over an alcohol burner."
2
[RL.5.1 • Look at Paragraph 4] What proof shows that cleaning the compass produced a brand-new chemical substance?
A The metal changed from solid to liquid under high temperature.
B The total mass increased when the balance beam tilted.
C Sharp bubbling effervescence and pungent odor created a new liquid.
D Iron filings were attracted to a strong handheld magnet.
3
[RL.5.2 • Look at Donald's words in [4]] What central lesson about challenges does Donald share with Maya?
A Workshops must be closed immediately during severe rainstorms.
B Coastal storms always create dangerous electrical failures.
C True growth and breakthroughs transform a person deeply from within.
D Physical changes are always more valuable than chemical reactions.
4
[PS.5.1.1 • Look at Paragraph 2] Why does bending the compass hinge leave its total mass unchanged?
A Bending changes shape without adding or removing any matter.
B The metal absorbs atoms directly from the surrounding air.
C Mass depends entirely on temperature rather than matter content.
D Qualitative observations permanently lock the weight of an object.
5
[PS.5.1.2 • Look at Paragraph 5] Why is saltwater called a solution rather than a coarse mixture like sand and iron?
A Salt water is a chemical change; sand and iron is a phase change.
B Salt water is a uniform solution with particles evenly dissolved.
C Sand and iron filings cannot be separated using physical properties.
D Salt water completely destroys the mass of the salt crystals.
6
[PS.5.1.3 • Look at Paragraph 5] Why did the copper wire light the beacon when dry rubber would not?
A Copper is an electrical conductor that permits current to flow freely.
B Copper undergoes an instant phase change into an insulating gas.
C Rubber would chemically react with the battery and ignite.
D Rubber has significantly greater mass than copper wire.
Answer Tracker:
1: [ A ] [ B ] [ C ] [ D ] 2: [ A ] [ B ] [ C ] [ D ] 3: [ A ] [ B ] [ C ] [ D ] 4: [ A ] [ B ] [ C ] [ D ] 5: [ A ] [ B ] [ C ] [ D ] 6: [ A ] [ B ] [ C ] [ D ]
Score: ___ / 6
Part 2
Guided Responses: Evidence & Summary
Standards: RL.5.1 • RL.5.2 (Use the sentence starters below)
1
[RL.5.1] What exact quote from paragraph 4 proves that a chemical change took place?
Complete the sentence starter with an exact quote and explanation:
According to paragraph 4, the text states, " " This proves a chemical change because .
2
[RL.5.1] What would have happened if Maya used dry rubber instead of copper wire? Quote the text.
Complete the sentence starter:
If Maya used rubber, the beacon would because paragraph 5 states that copper is a conductor that " ."
3
[RL.5.2] What central theme about challenges is taught in the story? How do the characters show it?
Theme: The author shows that when facing hard obstacles, people must .
Evidence: Maya and Donald demonstrate this theme during the blackout by .
4
[RL.5.2] Write a 4-sentence objective summary using the structured frame below:
[1. Problem] During a severe storm, the workshop lost power, causing the harbor beacon to .
[2. First Action] To repair the circuit, Uncle Donald melted solder, which was a change of state.
[3. Key Solution] Next, Maya prepared a saltwater solution and connected copper wire because copper is a .
[4. Outcome] In the end, the beacon bulb lit up and safely .
Scaffold Check: Quotation marks placed around text words & all 4 summary steps filled.
Writing Score: [ /8 ]
Part 3
Science Inquiry: Guided Matrix & Clue Banks
Standards: PS.5.1.1 • PS.5.1.2 • PS.5.1.3
Section A: Classifying Changes (PS.5.1.2 & PS.5.1.3)
Reason Bank below
Clue Bank: • Only state changed; no new substance • Bubbles and odor formed new substance • Salt dissolved evenly without new substance
| Workshop Event | Type of Change | Why? (Pick from Clue Bank) |
|---|
| 1. Solder rod melts under flame into liquid and cools back to solid. | | |
| Physical Chemical | | |
|
|
| 2. Green patina on copper fizzes with lemon-salt, forming new liquid. |
Physical Chemical
|
|
| 3. Salt crystals dissolve evenly into warm water for the battery bath. |
Physical Chemical
|
|
Section B: Mixtures vs. Solutions (PS.5.1.2)
1. Sand & Iron Mixture MIXTURE
Fill in the blanks to explain separation:
Donald separated the iron using a because iron has the physical property of .
2. Saltwater Solution SOLUTION
Fill in the blanks to explain recovery:
Saltwater is a solution because salt evenly. You can recover the dry salt by the water.
Section C: Properties, Mass & Conductivity (PS.5.1.1 & PS.5.1.3)
[PS.5.1.1 • Mass Conservation] Even after bending or polishing, the compass mass remained 340 grams. Complete the scientific reason:
The total mass stayed at 340 grams because bending is a physical change, which means no matter was or .
[PS.5.1.3 • Electrical Conductor] Maya tested copper wire, pencil graphite, and rubber. Which ones allow electricity to flow?
The two materials that are conductors are and . Testing conductivity is a physical property because .
Vocabulary Checked: mass, qualitative, physical property, phase, chemical changes, mixture, solution, conductor.
Total Packet Score: ______ / 30
Crucible Spark Answer Key
Teacher Guide & Master Answer Key Grade 5 • Integrated ELA & Physical Science
The Crucible Spark: Instructional Notes & Standards Alignment
Pages 1–4 Key
Reading Literature Targets
RL.5.1: Quote accurately from a text when explaining explicit facts and drawing inferences.
RL.5.2: Determine the central theme through character responses to challenges; craft an objective summary.
Physical Science Targets
PS.5.1.1: Conservation of mass & qualitative physical properties.
PS.5.1.2: Phase changes and comparing mixtures vs. solutions.
PS.5.1.3: Physical vs. chemical changes & electrical conductivity.
Passage Architecture & Key Instructional Checkpoints
[Para 1] Qualitative Data: Donald models scientific observation using senses (color, texture, coldness) before quantification. Reinforce that qualitative observations describe characteristics without numerical measurement.
[Para 2] Conservation of Mass & Physical Properties: Mass is 340g. Bending or polishing changes shape/luster (physical properties), but total mass remains 340g because no matter is created or destroyed.
[Para 3] Phase Change (Physical): Solder rod transitions from solid to liquid under heat and back to solid upon cooling. Atoms are unchanged; this is purely a change in physical state (phase).
[Para 4] Chemical Change & Theme Anchor: Fizzing (effervescence), odor, and new dark liquid prove chemical change. Donald connects this to life: surface shifts (physical) vs. internal transformation (chemical).
[Para 5] Mixtures, Solutions & Conductors: Sand/iron is a heterogeneous mixture separable by magnetism. Saltwater is a homogeneous solution. Copper acts as an electrical conductor to close the circuit.
Common 5th Grade Misconceptions to Address
1. Melting vs. Dissolving: Solder *melts* due to heat (phase change). Salt *dissolves* in water to form a solution. Neither creates a new chemical substance!
2. Mass vs. Shape: Students often think bending or flattening metal reduces its mass. Remind them mass counts the amount of matter, which stays constant.
Crucible Spark Teacher Guide • Page 1 of 4 Passage & Standards Alignment
Part 1 Key
Multiple Choice Answer Key & Diagnostic Rationales
Corresponds to Student Page 2
Quick Key: 1: B 2: C 3: C 4: A 5: B 6: A 6 Points Total
Question 1 (RL.5.1 Textual Evidence) Correct: B
Rationale: Option B directly quotes Donald instructing Maya to begin with a "qualitative record" using senses. Options A (measurement), C (plot incident), and D (action) do not address sensory data collection.
