Complete offline workbook · 6 lessons / 18 pages. Use your browser’s Print / Save as PDF. Source hyperlinks require internet. Interactive experiences are separate; every lesson has a paper alternative. No scripts, external assets or response fields.
01 / Teaching guide · Geology · 35 minutes
How a wall becomes a wonder
What changes the rock, and what carries the pieces away?
Suggested ages 10–14. Ages and timings are editorial suggestions; adapt to your learners.
Prepare & connect
Allow five minutes to read both plates. Bring paper and a pencil; a shared screen is optional. Introduce fracture (a break), weathering (breakdown) and erosion (transport). No rock collection or physical freezing experiment is required.
Optional local resource: Weathering Lab (linked experience is separate from this workbook). JavaScript for controls; use Reading the model or this bundle without it.
5 minNotice before namingShow the summary plate. Ask pairs to describe shapes and gaps using only what is drawn. Then name wall, window and pillar. Ask what the spaces between these snapshots leave unknown.
15 minMake a fair comparisonIn Weathering Lab, choose Water, frost & varied beds, then set Model steps to 36. Record the wall seed and settings. Choose Take water away without using New wall; leave the step at 36. Compare reference A with experiment B. If offline, predict a difference between the two cases on the activity plate; label it a prediction.
10 minTrace the materialFor each change, ask whether rock broke down or moved. Draw an arrow only where your explanation involves transport. Describe how a window could lose its span without claiming that every wall follows this exact path.
5 minExit claimComplete: In this model, changing ___ affected ___. This does not tell us ___. Use a control or a specific part of a plate as evidence.
Listen for
Look for a controlled comparison and an explicit separation of breakdown from transport. A drawing alone cannot establish speed or predict the future of a named hoodoo. Accept ‘not tested’ when the interactive resource is unavailable.
Access: Read the plate descriptions aloud; learners may dictate a claim or point to a numbered stage. All meaning is also written outside the diagram.
BCC Educator Collection · 01 · Teaching guide · 1 of 3 · October 2026 · Independent educational draft; no NPS affiliation or curriculum certification.
01 / Read the evidence · Learner sheet
How a wall becomes a wonder
Water, fractures and differences in rock resistance help shape the landscape. Weathering changes or breaks rock in place; erosion moves material. Fins, windows and isolated pillars provide a useful conceptual sequence. The summary plate is an original diagram, not observations of one rock through time.
Wall → window → pillars: three explanatory shapes, with no duration or scale assigned.
Look closely
Where can you point to a change in the shape? Where would removed material need to go?
Which control did you change? Which settings and comparison step stayed the same?
What evidence would you need before converting model steps to years?
Evidence limit: Illustrative rules and invented geometry; no erosion rate, weather forecast, measured hoodoo history or ground-level scan.
Copied integrated BCC experiences and source registers · 2026-10-02 snapshot.
BCC Educator Collection · 01 · Read the evidence · 2 of 3 · October 2026 · Independent educational draft; no NPS affiliation or curriculum certification.
01 / Try the question · Learner sheet
Compare causes
Use the two-case frame to design a comparison. Name one changed variable, two controls and an observable outcome. Write a prediction before using the model, then compare it with the result. Keep the offline prediction distinct from a result you actually observed.
Two hypothetical wall experiments. Water is the proposed changed variable; time step, wall and other controls must match.
Our changed variable / held-steady settings:
Prediction, then model observation (or ‘not tested’):
Our claim and one thing this evidence cannot establish:
Take it further: Compare equal resistance with varied resistance while holding water and fracture spacing steady. Does your first explanation still account for the shapes?
Success looks like: Write a claim that stays within the evidence of a simulation.
Primary reading links need internet; the lesson and both plates are included here. No learner names, responses or locations are collected by this collection.
BCC Educator Collection · 01 · Try the question · 3 of 3 · October 2026 · Independent educational draft; no NPS affiliation or curriculum certification.
02 / Teaching guide · Geology · 30 minutes
Read the rock, question the colour
How much history can a coloured band really tell us?
Suggested ages 10–14. Ages and timings are editorial suggestions; adapt to your learners.
Prepare & connect
Read The Claron Formation and print the two plates. Learners need a pencil and a way to mark A, B and C. Define bed (a layer) and formation (a mappable rock body). Colour is optional: letters and patterns carry the same distinctions.
Optional local resource: The Claron Formation (linked experience is separate from this workbook). A browser or this printed bundle; no 3D viewer required.
5 minDescribe the columnRead the summary from bottom to top. List boundaries, patterns and relative positions. Do not assign a real rock type yet: the three bands are invented for this activity.
10 minRead a source carefullyUse the Claron reading and its NPS reference. Note the description of lower pink and upper white members and of mixed depositional materials. Ask why that regional description cannot label every band in our drawing.
10 minSort evidencePlace each activity statement under Observation, Interpretation or Needs more evidence. More than one reason can be defensible; explain which piece of information the statement relies on.
5 minImprove a captionReplace ‘This white stripe proves a lake was here’ with a caption that names what is visible, marks the diagram as schematic and asks for a useful next source.
Listen for
‘B lies above A in the diagram’ is directly visible. ‘A formed first’ needs the assumption of an undisturbed sequence. Colour alone does not prove rock identity or environment. The drawn height has no metre scale, so a claim about thickness in metres is unsupported.
Access: Patterns and letters replace colour matching. Use the statement text as cards, or read the four statements aloud for an oral sort.
BCC Educator Collection · 02 · Teaching guide · 1 of 3 · October 2026 · Independent educational draft; no NPS affiliation or curriculum certification.
02 / Read the evidence · Learner sheet
Read the rock, question the colour
The NPS describes the Claron using lower pink and upper white members, with limestone and varying silt, clay and other interbedded material. Colour is one clue within a larger rock record. A field description or geologic map provides context that a coloured screen image cannot supply.
Three invented bands A–C; the patterns distinguish layers without implying a mineral composition.
Look closely
Which statements can you support by pointing to the drawing alone?
Would changing the ink colour change the real geological history? Why?
What could a measured section add that this schematic column leaves out?
Evidence limit: Original illustrative column; no measured thicknesses, sampled rocks, mapped contacts or universal colour-to-rock key.
Copied integrated BCC experiences and source registers · 2026-10-02 snapshot.
BCC Educator Collection · 02 · Read the evidence · 2 of 3 · October 2026 · Independent educational draft; no NPS affiliation or curriculum certification.
02 / Try the question · Learner sheet
Separate observation and inference
Sort the four statements on the plate. Then choose the weakest inference and rewrite it with a qualified verb such as suggests. Name the missing evidence. The aim is a defensible explanation, not a guessed rock name.
Four evidence statements to classify. The column is an illustration with no length scale.
Observation / interpretation / missing evidence for each statement:
A more careful version of the weakest statement:
A source or field observation that could help test it:
Take it further: Discuss a tilted or faulted sequence. Which assumptions in a simple bottom-to-top reading would need to be checked?
Success looks like: Ask for evidence that could strengthen a geological interpretation.
Primary reading links need internet; the lesson and both plates are included here. No learner names, responses or locations are collected by this collection.
BCC Educator Collection · 02 · Try the question · 3 of 3 · October 2026 · Independent educational draft; no NPS affiliation or curriculum certification.
03 / Teaching guide · Geology · 40 minutes
Two histories in one landscape
Is the age of the rock the age of the shape?
Suggested ages 11–16. Ages and timings are editorial suggestions; adapt to your learners.
Prepare & connect
Open Deep Time and choose Read all chapters, or use these plates. Supply paper strips and a pencil. Introduce sediment, lithification, uplift and erosion. No particular numerical date must be memorised; the task is to reason about relationships.
Optional local resource: Deep Time at Bryce (linked experience is separate from this workbook). Choose Read all chapters. No terrain viewer or animation is needed.
5 minPose two questionsWrite ‘When did the rock form?’ beside ‘When did this shape form?’ Ask whether one answer could automatically answer both. Keep the questions visible throughout the lesson.
15 minRead six chaptersRead Sediment, Rock, Uplift, Weathering, Hoodoos and Today. Assign one chapter to each pair if needed. Each pair names a process and reports a limitation printed beside the illustration.
15 minOrder and connectArrange the four activity cards. Draw arrows showing the dependencies your group proposes. Add an overlap bracket where raising and uncovering rock might proceed together. Mark the sequence as a conceptual account rather than four dated episodes.
5 minCheck the clockA reader spends ten seconds on each card. Ask whether that makes the processes equally long. Write a caption that prevents this misunderstanding.
Listen for
The intended conceptual order is deposit sediment, make rock, raise/expose rock, then reshape exposed rock. Accept discussion of overlapping uplift and erosion and of continuing deposition elsewhere. Equal cards do not imply equal durations. No exact hoodoo age follows from this exercise.
Access: Use numbered text cards or a spoken sequence. Motion is unnecessary; the linked reading mode and every plate are static.
BCC Educator Collection · 03 · Teaching guide · 1 of 3 · October 2026 · Independent educational draft; no NPS affiliation or curriculum certification.
03 / Read the evidence · Learner sheet
Two histories in one landscape
Sediment can become rock through processes including compaction and cementation. Later exposure, weathering and erosion reshape rock into landforms. A landscape therefore holds several histories at once. Our sequence simplifies their relationships; its spacing, arrows and panel size contain no numerical time information.
Rock-making and landform-shaping are different questions. The two ribbons show concepts, not elapsed time.
Look closely
Which card concerns making rock? Which concerns changing an exposed shape?
Which processes can overlap rather than starting and stopping at neat boundaries?
What independent dating evidence would be needed to put numbers on this account?
Evidence limit: Conceptual process order, not a calibrated timeline or reconstruction of an ancient shoreline. No dates inferred from artwork.
Copied integrated BCC experiences and source registers · 2026-10-02 snapshot.
BCC Educator Collection · 03 · Read the evidence · 2 of 3 · October 2026 · Independent educational draft; no NPS affiliation or curriculum certification.
03 / Try the question · Learner sheet
Reason across time
Read the shuffled cards, propose an order and explain two of your arrows. Use an overlap bracket when appropriate. Write one sentence answering the question about rock age versus shape age without inventing a date for a named hoodoo.
Four shuffled process cards. Arrange them and show where their histories can overlap.
Our process order, with an explanation for two arrows:
Processes that may overlap, and why:
A caption explaining what the strip does not measure:
Take it further: Compare the source notes for an introductory age statement with a local mapped unit. Explain why a broad regional age range need not date every bed at Bryce.
Success looks like: Explain why an animation duration is not an elapsed geological time.
Primary reading links need internet; the lesson and both plates are included here. No learner names, responses or locations are collected by this collection.
BCC Educator Collection · 03 · Try the question · 3 of 3 · October 2026 · Independent educational draft; no NPS affiliation or curriculum certification.
04 / Teaching guide · Maps & data · 45 minutes
One trail, two kinds of number
What should we do when a mapped profile and a published total disagree?
Suggested ages 11–16. Ages and timings are editorial suggestions; adapt to your learners.
Prepare & connect
Provide a calculator, pencil and the two plates. Explain horizontal route distance and elevation in metres. The numbers are a dated source comparison, not an outing plan. Review the linked methods; learners do not need to open the optional 3D view.
Optional local resource: Queen’s Garden trail study (linked experience is separate from this workbook). JavaScript for the linked map/profile; the two printed plots work independently. 3D is optional and outside this lesson.
10 minRead the axesFind the start, turnaround and return on the summary profile. Describe where the return rises. Compare the horizontal and vertical units before judging the visual steepness of the line.
15 minKeep two columnsRead NPS’s 2.9 km round trip and the copied mapped calculation of 2256.733 m. Convert the latter to kilometres. Preserve their source labels and calculate how far apart they are.
15 minInvestigate a mismatchUse the activity table and methods. Discuss possible effects of different endpoints, simplified bends, sampling and rounding. Separate plausible explanations from a cause that the available evidence actually demonstrates.
5 minWrite a source noteWrite two sentences that report the mismatch and name a next check. Do not stretch the line, relabel the numbers as GPS measurements or choose the smaller figure for travel planning.
Listen for
2.9 − 2.256733 = 0.643267 km, about 0.64 km or 22.2% of the published distance. 137 − 130.3 = 6.7 m. The differences are not measured errors or uncertainty bounds. The start and end share a location; the turnaround need not be the lowest point.
Access: The source figures are written in the activity table and this text. Learners can compare numbers without using the plot or dragging a slider.
BCC Educator Collection · 04 · Teaching guide · 1 of 3 · October 2026 · Independent educational draft; no NPS affiliation or curriculum certification.
04 / Read the evidence · Learner sheet
One trail, two kinds of number
The NPS page lists 2.9 km and 137 m of climbing for Queen’s Garden. The retained mapped route calculates 2.256733 km and a smoothed ascent of 130.3 m. Its profile uses mapped vertices and a sampled elevation model. These values describe different evidence and methods; neither comparison proves the route’s current condition.
Derived Queen’s Garden profile: 36 overview samples from the copied integrated catalogue. Elevation is NAVD88 metres; horizontal axis is mapped round-trip kilometres. Vertical plotting scale is exaggerated.
Look closely
Why is the end of an out-and-back at the same elevation as its start?
Does the profile’s lowest point have to be exactly at the turnaround?
Which difference can you calculate, and which cause remains unknown?
Evidence limit: Historical mapped route and DEM-derived profile, not a walking-tread survey, live route status, effort prediction or accessibility assessment.
Integrated Queen’s Garden profile and methods · 2026-10-02 copied integration.
Copied integrated BCC experiences and source registers · 2026-10-02 snapshot.
Derived profile: UGRC/WFRC mapping, CC BY 4.0; USGS 3DEP elevation (public domain). BCC assembled and sampled the route; this plate resamples the retained overview.
BCC Educator Collection · 04 · Read the evidence · 2 of 3 · October 2026 · Independent educational draft; no NPS affiliation or curriculum certification.
04 / Try the question · Learner sheet
Compare numerical evidence
Compute published minus mapped distance and express the difference as a percentage of the published value. Round the reported answers sensibly. Compare published ascent with smoothed ascent, then explain why subtraction alone cannot establish which method is closer to current walking effort.
NPS published figures versus BCC’s mapped/DEM-derived calculation. Preserve both columns and their methods.
Distance difference in km, and percent of the published 2.9 km:
Ascent difference in m; what the subtraction does and does not tell us:
One plausible explanation and the evidence needed to test it:
Take it further: The retained calculation also has raw ascent 140.5 m and coarser-sample ascent 126.4 m. Discuss why processing choices change a sum of small rises without turning this range into a confidence interval.
Success looks like: Distinguish a mapped estimate, a published figure and a field measurement.
Primary reading links need internet; the lesson and both plates are included here. No learner names, responses or locations are collected by this collection.
BCC Educator Collection · 04 · Try the question · 3 of 3 · October 2026 · Independent educational draft; no NPS affiliation or curriculum certification.
05 / Teaching guide · Living Bryce · 35 minutes
A tree is more than a silhouette
Which observations would make a tree identification more convincing?
Suggested ages 10–14. Ages and timings are editorial suggestions; adapt to your learners.
Prepare & connect
Use the two conifer entries in Living Bryce or the summary plate. Provide paper and pencil. Explain fascicle as a bundle of needles. This is an indoor comparison: learners do not collect needles, approach wildlife or record personal locations.
Optional local resource: Living Bryce · compare conifers (linked experience is separate from this workbook). Use the two conifer cards and comparison selectors. The separate checklist is not needed for this activity.
5 minNotice the bundlesCount the drawn needles. Explain that the drawing illustrates a published description and is not a branch collected or photographed in the park.
15 minCompare recordsChoose ponderosa pine and Great Basin bristlecone pine in Living Bryce’s comparison. Look at needle description, bark or branch traits and habitat. Discuss why habitat narrows a question without proving the identity of an individual.
10 minReason with incomplete casesRead the three fictional evidence cases on the activity plate. For each, say which description it is consistent with and what remains unresolved. A five-needle bundle alone does not exclude other pines.
5 minExit with uncertaintyWrite a qualified identification statement. Include one additional non-destructive observation you would want before becoming more confident.
Listen for
A is consistent with the ponderosa description, but not proof. B is compatible with the bristlecone description and with other five-needle pines; more traits are needed. C supplies too little information. None includes an independently documented field observation. Tree shape alone is weak evidence.
Access: Counts and species names appear in text. Enlarge the standalone SVG or use the written cases; an oral comparison works without colour or fine visual detail.
BCC Educator Collection · 05 · Teaching guide · 1 of 3 · October 2026 · Independent educational draft; no NPS affiliation or curriculum certification.
05 / Read the evidence · Learner sheet
A tree is more than a silhouette
The NPS description of ponderosa includes three long needles per bundle and plated bark in mature trees. Its Great Basin bristlecone entry describes five needles per bundle. These are useful comparison traits, not a complete identification key. A source describing a species in the park is different from evidence that someone observed a particular tree.
Illustrative needle-bundle comparison: three and five needles, with no physical scale. Read other traits before identifying a tree.
Look closely
Which trait is a count, and which description depends on the age or part of a tree?
Could another species share one of these traits? What would you check next?
Which information would turn a general habitat description into a documented observation?
Evidence limit: Original trait diagrams, not botanical specimens, photographs, a complete key or evidence of any current tree occurrence.
Copied integrated BCC experiences and source registers · 2026-10-02 snapshot.
BCC Educator Collection · 05 · Read the evidence · 2 of 3 · October 2026 · Independent educational draft; no NPS affiliation or curriculum certification.
05 / Try the question · Learner sheet
Compare biological evidence
Classify each fictional case as consistent with a description, insufficient evidence, or a documented sighting. Explain the decision. None of the cases is a verified sighting. Do not use this worksheet to publish exact locations of sensitive individuals.
Three invented evidence cases. No case is a real observation or a species occurrence record.
Case A / B / C: what the evidence supports:
One additional trait or source needed for a stronger identification:
How a species description differs from a verified observation:
Take it further: Add limber pine from the integrated guide. Does including another five-needle species change your confidence in Case B? Explain why.
Success looks like: Use uncertain or insufficient evidence as a useful result.
Primary reading links need internet; the lesson and both plates are included here. No learner names, responses or locations are collected by this collection.
BCC Educator Collection · 05 · Try the question · 3 of 3 · October 2026 · Independent educational draft; no NPS affiliation or curriculum certification.
06 / Teaching guide · Night sky · 40 minutes
The sky on a screen, the sky outside
Does ‘above the horizon’ mean ‘visible to me’?
Suggested ages 11–16. Ages and timings are editorial suggestions; adapt to your learners.
Prepare & connect
Open Night Sky Classroom or use the static plates. A pencil is enough; no telescope, location permission or night outing is required. Define altitude as angle above the horizon and direction as a compass bearing. This activity does not involve observing the Sun.
Optional local resource: Night Sky Classroom (linked experience is separate from this workbook). JavaScript for the chart; the lesson plates and guide are a complete static activity. No location permission or telescope needed.
10 minRead the horizonCompare the straight horizon and the invented hill/tree skyline on the summary plate. Ask whether a point can be above one but hidden behind the other. The plate is a hypothetical example, not a Bryce skyline.
15 minChange one thingIn Night Sky Classroom, select the Summer preset, face North and select Polaris. Note the local time and listed position. Advance one hour and compare. Then keep the time fixed and turn the facing control; explain which action changes the observer’s view rather than the time.
10 minSort model and worldUse the activity grid. Put time and reference location with model inputs; altitude and direction with outputs; clouds and trees with additional real-world information. If offline, reason from the categories instead of claiming to have run the chart.
5 minQualify a predictionRewrite ‘The chart shows it, so we will see it’ to identify the calculated result and at least two unknown observing conditions.
Listen for
Time and reference location are inputs; altitude and compass direction are calculated outputs; clouds and a local skyline require other evidence. Fixed-time facing changes do not alter a star’s calculated sky coordinates. Browser or print evidence does not establish that a person could see the star outdoors.
Access: Use the chart’s scene list for numbers instead of the canvas. The printed categories and descriptions support the same task with no motion.
BCC Educator Collection · 06 · Teaching guide · 1 of 3 · October 2026 · Independent educational draft; no NPS affiliation or curriculum certification.
06 / Read the evidence · Learner sheet
The sky on a screen, the sky outside
Polaris lies near the north celestial pole, so its apparent motion is small compared with many other stars. A chart can calculate positions for a stated time and location. Seeing a star also depends on darkness, weather, the actual skyline and other observing conditions. The copied chart does not measure those conditions.
An invented skyline can block a point above a geometric horizon. The star and hill are illustrative, not a measured view.
Look closely
What could hide a star even when its calculated altitude is positive?
Which action changes time, and which only changes the direction shown on the screen?
Why is a large star symbol not a measurement of the star’s physical diameter?
Evidence limit: Conceptual sky plate, not a star chart. The linked calculated sky is not an observing forecast, real skyline, current weather report or field result.
Copied integrated BCC experiences and source registers · 2026-10-02 snapshot.
BCC Educator Collection · 06 · Read the evidence · 2 of 3 · October 2026 · Independent educational draft; no NPS affiliation or curriculum certification.
06 / Try the question · Learner sheet
Test a model’s limits
Sort the six labelled items into input, calculated output or information still needed. Then write a conditional observing statement. The diagram’s star and skyline have no measured direction, angular scale or date; use them only to explain the distinction.
Six items to sort: two model inputs, two calculated outputs and two kinds of additional observing evidence.
What changed when we advanced time? What changed when we turned the view? (or ‘not run’):
A conditional claim that separates position from visibility:
Take it further: Compare the chart’s geometric horizon with an imagined taller skyline. Which stars might become obstructed without any change to the astronomy calculation?
Success looks like: State a model result without making a weather or visibility claim.
Primary reading links need internet; the lesson and both plates are included here. No learner names, responses or locations are collected by this collection.
BCC Educator Collection · 06 · Try the question · 3 of 3 · October 2026 · Independent educational draft; no NPS affiliation or curriculum certification.