Print the observation deck

Illustrative · Direct for features of the drawing; illustrative for landforms.

Sources G02, G03 · Lesson 01

Which statements describe visible shapes in this drawing?

Choose every supported statement.

1. □ A. B contains an opening.
2. □ B. C stands apart as a pillar.
3. □ C. A is exactly 100 metres tall.
4. □ D. B will collapse next year.

Illustrative · Direct for the labeled drawing; no field identification.

Sources G02 · Lesson 01

The captions identify two views of the same teaching shape. What follows?

Choose every supported statement.

1. □ A. A single narrow silhouette can hide a longer wall.
2. □ B. The rock changed between views.
3. □ C. The end-on view alone proves an isolated hoodoo.
4. □ D. A second angle can resolve some shape ambiguity.

Illustrative · Direct for the sketch; source-supported for the named place.

Sources G03 · Lesson 01

NPS discusses Natural Bridge among Bryce’s arches and windows. Which claims are justified?

Choose every supported statement.

1. □ A. The place name proves a river cut the opening.
2. □ B. The NPS account is evidence for its geological description.
3. □ C. The sketch measures the real opening’s width.
4. □ D. The drawing contains rock over an opening.

Illustrative · Source-supported order; illustrative geometry.

Sources G04, G07 · Lesson 02

This simplified Claron column shows the informal white member above the pink member. What does it communicate?

Choose every supported statement.

1. □ A. The white member is shown above the pink member.
2. □ B. Both members have equal real thickness.
3. □ C. Every white patch in Bryce is the white member.
4. □ D. The illustration omits local variation.

Illustrative · Direct for the drawing; insufficient for material identity.

Sources G07 · Lesson 02

The same schematic band is shown in light and shadow. Which statements stay defensible?

Choose every supported statement.

1. □ A. The band is continuous across the drawn shadow.
2. □ B. The darker half must be a different formation.
3. □ C. A geological unit needs more evidence than this color change.
4. □ D. The pale half must be stronger rock.

Illustrative · Logical inference from explicit assumptions; no absolute ages.

Sources G05 · Lesson 02

Assume these three sediment layers are upright, undisturbed and deposited in sequence. What follows?

Choose every supported statement.

1. □ A. A was deposited before C.
2. □ B. B took exactly one million years to form.
3. □ C. All three took equally long to form.
4. □ D. The conclusion depends on the stated assumptions.

Illustrative · Direct for alignment in this view; movement history unresolved.

Sources G02, G05 · Lesson 03

A line crosses these drawn layers without a visible offset. Which statements are supported?

Choose every supported statement.

1. □ A. A crack crosses the layers.
2. □ B. No layer offset is shown.
3. □ C. An earthquake happened here last week.
4. □ D. The line alone proves a fault.

Illustrative · Direct for drawn connectivity; weak for real flow.

Sources G02 · Lesson 03

In this process sketch, which paths are shown as connected to the surface?

Choose every supported statement.

1. □ A. A has a drawn route from the surface.
2. □ B. B definitely has no connection anywhere in three dimensions.
3. □ C. The picture establishes the volume of infiltrating water.
4. □ D. B has no surface connection shown in this section.

Illustrative · Direct for the hypothetical curve; insufficient for fracture count.

Sources G08 · Lesson 03

The hypothetical record shows air temperature crossing 0 °C, but no rock or moisture measurements. What can you conclude?

Choose every supported statement.

1. □ A. The drawn air temperature crosses the freezing reference.
2. □ B. Exactly one fracture must have formed.
3. □ C. Rock moisture and temperature would improve a process explanation.
4. □ D. This is a measured Bryce weather record.

Illustrative · Illustrative mechanism distinction; no field measurement.

Sources G01 · Lesson 04

Two panels isolate different actions. Which descriptions fit?

Choose every supported statement.

1. □ A. A illustrates physical breakdown.
2. □ B. B illustrates transport of a fragment.
3. □ C. A supplies a measured erosion rate.
4. □ D. Weathering and transport must always happen separately.

Illustrative · Source-supported process; entirely illustrative symbols.

Sources G05 · Lesson 04

The sketch labels carbonate entering solution in weakly acidic water. Which statements fit the stated process?

Choose every supported statement.

1. □ A. Material can leave without becoming a visible loose pebble.
2. □ B. All rock dissolves at the same speed.
3. □ C. The dots count real molecules.
4. □ D. The sketch shows a chemical weathering concept.

Illustrative · Direct for position; tentative for process and unknown for timing.

Sources G03 · Lesson 04

Loose fragments sit below a drawn cliff. What is a careful reading?

Choose every supported statement.

1. □ A. Fragments are drawn below the cliff.
2. □ B. They all fell this morning.
3. □ C. Gravity is a plausible transport explanation to investigate.
4. □ D. The remaining cliff is proven safe.

Derived · Derived numerical evidence; source accuracy not established by export precision.

Sources D01, D02 · Lesson 05

Use the labeled endpoints of the derived Sunset profile. Which statements follow?

Choose every supported statement.

1. □ A. The west endpoint is higher in this derived profile.
2. □ B. The rounded endpoint difference is about 148 m.
3. □ C. This is a measured 148 m rockfall.
4. □ D. The line is a surveyed walking route.

Derived · Derived arithmetic; no route qualification.

Sources D01 · Lesson 05

A and B each span 128 m horizontally. Compare their endpoint drops in the same derived profile.

Choose every supported statement.

1. □ A. B has the larger endpoint drop.
2. □ B. B has the greater average downward grade between its endpoints.
3. □ C. Every small segment within B is steeper than every segment within A.
4. □ D. B is therefore safe to descend.

Derived · Derived surface; no subsurface evidence.

Sources D01, G07 · Lesson 05

Only the top line comes from terrain data. What can the empty space beneath it tell us?

Choose every supported statement.

1. □ A. The profile identifies underground layer contacts.
2. □ B. The blank region communicates missing information.
3. □ C. A geological map or measured section could add relevant evidence.
4. □ D. The blank region means the ground is hollow.

Illustrative · Direct representation limit, supported by the source method.

Sources D01 · Lesson 06

An upper-envelope grid stores only the top height at each horizontal position. Which claim follows?

Choose every supported statement.

1. □ A. A top-only grid can fully describe both roof and underside at the same position.
2. □ B. A filled model opening proves the real opening is filled.
3. □ C. The model’s missing underside is an evidence limitation.
4. □ D. Another source is needed to establish hidden geometry.

Derived · Derived metadata and arithmetic; accuracy remains separate.

Sources D01 · Lesson 06

The exported profile contains 129 nodes across 512 m. Which statements are justified?

Choose every supported statement.

1. □ A. There are 128 intervals between 129 nodes.
2. □ B. The sample spacing is 4 m.
3. □ C. Every height is accurate to 4 m.
4. □ D. Adding interpolated nodes creates new measured detail.

Reference · Direct inherited metadata; no change detection.

Sources D01 · Lesson 06

The integrated Sunset study lists 2018 geometry and 2024 aerial color. Which statements follow?

Choose every supported statement.

1. □ A. The inputs were acquired in different years.
2. □ B. The combined model is a live view.
3. □ C. Every colored detail is a measured three-dimensional surface.
4. □ D. The dates should stay with the model’s interpretation.

Illustrative · Source-informed relative sequence; no numerical chronology.

Sources G01 · Lesson 07

The diagram separates sediment becoming rock from a pillar becoming isolated. What can it establish?

Choose every supported statement.

1. □ A. Rock formation and pillar isolation are different events.
2. □ B. The pillar’s current shape is as old as its sediment.
3. □ C. The arrows supply exact durations.
4. □ D. An age for the rock alone would not date pillar isolation.

Illustrative · Illustrative process sequence; no forecast.

Sources G03 · Lesson 07

The labeled conceptual panels show a fin, a window and a remaining pillar. Which claims fit?

Choose every supported statement.

1. □ A. The panels illustrate a possible progression of forms.
2. □ B. Each panel lasts the same number of years.
3. □ C. Every hoodoo must pass through exactly these shapes.
4. □ D. The last panel predicts a named landmark’s failure date.

Derived · Derived baseline; insufficient evidence for temporal change.

Sources D01 · Lesson 07

You have one derived terrain profile from the 2018 source. What would support a defensible change estimate?

Choose every supported statement.

1. □ A. Divide its relief by the number of years since 2018.
2. □ B. Obtain a comparable later survey and align the observations.
3. □ C. Account for uncertainty and differences in processing.
4. □ D. Assume every difference is erosion.

Illustrative · Direct shape observation; tentative process interpretation.

Sources G01, G07 · Lesson 08

A layer juts out farther than its neighbors in this sketch. Which statements keep evidence and explanation separate?

Choose every supported statement.

1. □ A. One interval projects outward in the drawing.
2. □ B. Contrasting resistance is one possible explanation to test.
3. □ C. The sketch proves that interval is dolomite.
4. □ D. The ledge will never erode.

Illustrative · Source-method reasoning; no new geological or stability finding.

Sources G07, D01 · Lesson 08

You want to investigate rock-unit boundaries, surface relief and exact collapse timing. Which matches are defensible?

Choose every supported statement.

1. □ A. A geological map or section can inform rock-unit relationships.
2. □ B. A derived elevation profile can inform surface relief.
3. □ C. A single sketch establishes an exact collapse date.
4. □ D. Every source answers every geological question equally well.

Derived · Derived surface comparison; explicit limits on interpretation.

Sources D01, D02 · Lesson 08

Choose the captions that fit this derived Sunset profile without adding unsupported claims.

Choose every supported statement.

1. □ A. ‘A derived 2018-source profile has a higher west endpoint than east endpoint.’
2. □ B. ‘The cliff lost 148 m since 2018.’
3. □ C. ‘This profile does not resolve buried layers or hidden undersides.’
4. □ D. ‘These lines measure the real rock layers.’