1
Area 1 — Measurement & Significant Figures
Practice: Sig-fig rules • Measuring instruments • SI units
Option A
✓ Visited
🧩 Sig-Fig Combo Sort
Sort measurements that follow the significant-figure rules from ones that don't. Learn each sig-fig rule with instant feedback.
Sig-fig rules
Card sort
Self-check
🚀 Open Activity
📄 Open Instructions (Word)
Option B
✓ Visited
🃏 Sig-Fig Rules & Tools Match-Up
Match the sig-fig rules, measuring tools, and SI units to the measurements that fit them. Flip cards to check yourself.
Rules match-up
Measuring tools
SI units
🚀 Open Activity
📄 Open Instructions (Word)
Option C
✓ Visited
🧪 Measurement & Sig-Fig Task Cards
Work through task cards on measuring with instruments and writing every answer with the correct number of significant figures.
Instrument reading
Task cards
Self-check
🚀 Open Activity
📄 Open Instructions (Word)
2
Area 2 — The Metric System & Conversions
Practice: Metric prefixes • Conversion factors • Dimensional analysis
Option A
✓ Visited
🔀 Conversion Chain Card Match
Match conversion factors to the units they swap and build a complete chain with instant feedback at every link.
Conversion factors
Card match
Self-check
🚀 Open Activity
📄 Open Instructions (Word)
Option B
✓ Visited
🔄 Conversion Factor & Unit-Sense Flip
Flip flashcards that pair each conversion factor with the conversion that makes sense, so units always cancel correctly.
Unit sense
Flashcards
Self-check
🚀 Open Activity
📄 Open Instructions (Word)
Option C
✓ Visited
🎴 Conversion Practice & Sense Deck
Draw practice problems from a deck and check each answer's numerical value, its units, and whether it makes sense.
Practice deck
Multi-step
Self-check
🚀 Open Activity
📄 Open Instructions (Word)
3
Area 3 — Accuracy, Precision & Error
Practice: Accuracy vs. precision • Uncertainty • Percent error
Option A
✓ Visited
📁 Measurement Quality Combo Sort
Sort measurements by accuracy and precision in a two-part challenge: darts, then data sets. Instant feedback on every drop.
Accuracy vs. precision
Card sort
Self-check
🚀 Open Activity
📄 Open Instructions (Word)
Option B
✓ Visited
🃏 QC Combo Cards
Flip through quality-control scenarios and classify each lab's performance on both accuracy and precision at once.
QC scenarios
Flashcards
Self-check
🚀 Open Activity
📄 Open Instructions (Word)
Option C
✓ Visited
🧰 Error & Accuracy Task-Card Set
Work the task cards on percent error, systematic vs. random error, and improving accuracy — with instant feedback.
Percent error
Error types
Self-check
🚀 Open Activity
📄 Open Instructions (Word)
1
Area 1 — Measurement & Significant Figures
MUST DO • Sig-fig rules • Instrument reading • Trustworthy values
Option A
✓ Visited
🕵️ Sig-Fig Data Auditor
Audit a contaminated data table: flag values that violate significant-figure rules, correct them, and defend each fix.
Sig-fig rules
Data audit
Worksheet (DOCX)
📄 Open Assignment (Word)
📇 Contaminated Data Table (Word)
✅ Self-Check My Work
Option B
✓ Visited
🧪 Virtual Instrument Reading Lab
Read measurements from virtual instruments (ruler, graduated cylinder, balance) and record each with the right significant figures.
Instrument reading
Uncertainty
Virtual lab
📄 Open Assignment (Word)
🚀 Open Virtual Instrument Lab
✅ Self-Check My Work
Option C
✓ Visited
🎥 Instrument Training Presentation
Create a short training presentation that teaches classmates how to choose, read, and record from lab instruments correctly.
Presentation
Instrument use
Worksheet (DOCX)
📄 Open Assignment (Word)
✅ Self-Check My Work
2
Area 2 — The Metric System & Conversions
MUST DO • Metric conversions • Dimensional analysis • Unit consistency
Option A
✓ Visited
⛓️ Real-World Conversion Chain Builder
Build multi-step conversion chains to convert real-world quantities across metric and mixed units, showing every factor and cancelling unit.
Dimensional analysis
Conversion chains
Worksheet (DOCX)
📄 Open Assignment (Word)
✅ Self-Check My Work
Option B
✓ Visited
📋 Mixed-Units Data Conversation
Convert a mixed-units data set into one consistent unit and defend the conversion chain you built for every row.
Conversions
Data sets
Worksheet (DOCX)
📄 Open Assignment (Word)
📇 Mixed-Units Data Sheet (Word)
✅ Self-Check My Work
Option C
✓ Visited
🏝️ Conversion Factor Escape Room
Escape the room by applying conversion-factor clues in order. Show each step with units cancelling and get instant feedback as you go.
✔ Interactive escape room
✔ Instant feedback
✔ Multi-step
🚀 Open Interactive Escape Room
📄 Open Assignment (Word)
🗝️ Escape Room Clue Sheet (Word)
✅ Self-Check My Work
3
Area 3 — Accuracy, Precision & Error
MUST DO • Accuracy, precision & uncertainty • Percent error
Option A
✓ Visited
📊 The QC Data Set Investigation
Investigate a QC data set: rank teams by accuracy and precision, compute percent error, and decide which results can be trusted.
Accuracy vs. precision
Percent error
Worksheet (DOCX)
📄 Open Assignment (Word)
📇 QC Data Set (Word)
✅ Self-Check My Work
Option B
✓ Visited
🔬 Unveiling Measurement Uncertainty
Reveal how measurement uncertainty builds up: compare instruments, propagate error, and explain what uncertainty means for your results.
Uncertainty
Error propagation
Simulator
📄 Open Assignment (Word)
🚀 Open Uncertainty Simulator
✅ Self-Check My Work
Option C
✓ Visited
💡 Equipment Report Mini-Presentation
Deliver a short equipment report: which measuring tools fit which jobs, their uncertainty limits, and how to read them well.
Equipment choice
Uncertainty limits
Worksheet (DOCX)
📄 Open Assignment (Word)
✅ Self-Check My Work
1
Area 1 — Measurement & Significant Figures
ASPIRE • Data fact-checking • Precision analysis • Communicating science
Option 1
✓ Visited
🔎️ Don't Trust the Data Fact-Checker
Fact-check a public data claim: quiz the source, spot suspicious significant figures and impossible precision, and deliver your verdict.
Fact-checking
Sig-fig analysis
Worksheet (DOCX)
📄 Open Assignment (Word)
✅ Self-Check My Work
Option 2
✓ Visited
📏 Measure Your World Precision Challenge
Measure objects from your world with everyday instruments, then analyze the precision and uncertainty of every measurement you take.
Measuring
Precision analysis
Worksheet (DOCX)
📄 Open Assignment (Word)
✅ Self-Check My Work
Option 3
✓ Visited
🎨 Precision Museum Exhibit
Design a museum exhibit that teaches visitors what precision and significant figures really mean, using real measuring artifacts.
Exhibit design
Precision
Worksheet (DOCX)
📄 Open Assignment (Word)
✅ Self-Check My Work
2
Area 2 — The Metric System & Conversions
ASPIRE • Unit audits • Conversion design • Real-world mix-ups
Option 1
✓ Visited
🔍️ The Great Unit Audit
Audit labels, news headlines, and packaging for unit errors and unit mix-ups. Correct each one and explain exactly what went wrong.
Units audit
Error correction
Worksheet (DOCX)
📄 Open Assignment (Word)
✅ Self-Check My Work
Option 2
✓ Visited
🏝️ Escape Room Author
Design your own conversion-factor escape room and author a full clue set that can only be solved with careful dimensional analysis.
Design
Conversion factors
Worksheet (DOCX)
📄 Open Assignment (Word)
✅ Self-Check My Work
Option 3
✓ Visited
🛰️ Mission Control: The Case of the Unit Mix-Up
As Mission Control, diagnose a spacecraft unit mix-up (think Mars Climate Orbiter) and write a CER on how it happened and how to prevent it.
CER
Real-world case
Worksheet (DOCX)
📄 Open Assignment (Word)
✅ Self-Check My Work
3
Area 3 — Accuracy, Precision & Error
ASPIRE • Design & critique • Peer review • Reliability verdicts
Option 1
✓ Visited
📝 Scientific Scrutiny Peer-Review Verdict
Peer-review a scientist's claims about precision and error. Check every measurement and deliver your verdict with evidence.
Peer review
Verdict
Worksheet (DOCX)
📄 Open Assignment (Word)
✅ Self-Check My Work
Option 2
✓ Visited
🧲 Design the Better Experiment
Design the experiment that beats a flawed design on accuracy, precision, and controlled error. Justify every improvement.
Experimental design
Accuracy & precision
Worksheet (DOCX)
📄 Open Assignment (Word)
✅ Self-Check My Work
Option 3
✓ Visited
⚖️ The Reliability Verdict
Judge the reliability of conflicting measurements, decide which instrument or method wins, and render your verdict as a CER.
Reliability
CER
Worksheet (DOCX)
📄 Open Assignment (Word)
✅ Self-Check My Work