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Storyboard an explanation in three stages

About 35 minutes · 7 reading + 28 practice and checks
Time includes reading, practice, and questions. Extra videos or further study are optional.
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An original 8–12-second three-stage SVG/CSS explanation with deliberate timing, readable title states, pause and reduced-motion alternatives, source and storyboard.

Keep your working files in your own notebook or software. Save a private description, checklist, and work link in My Proof.

What to include

  • Create a three-stage explanatory storyboard and original SVG.
  • Record actual duration/keyframe percentage times.
  • Keep geometry, labels and static text consistent.
  • Supply manual play/pause/static and reduced-motion rules.
  • Deliver fresh HTML with actual source/browser test evidence and limits.

Review and revise

Use these criteria to check your work and choose what to improve.

  • Meaning: stages serve a stated relationship.
  • Geometry/timing: coordinates and percentages agree.
  • Control: pause/static meaning work where actually tested.
  • Evidence: fresh artifact and separate source/interaction claims.
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Before you begin

The idea in everyday life

Choose one small explanation, not a decorative loop. Decide what changes at each stage and what the reader should understand after the sequence. The supplied original study builds a triangle from three noncollinear points. Its nine-second animation is a design duration, not a real construction speed claim.

The idea

Motion should show a relationship the static text also explains.

Follow along

Storyboard an explanation in three stages — worked practice

Motion should show a relationship the static text also explains.

Original storyboard: 0–3 seconds establish point A; 3–6 introduce B; 6–8 introduce C; 8–9 connect the three edges. Static meaning: three distinct noncollinear points connected A–B, B–C, C–A form a triangle. If the points all lie on one line, the stated enclosed triangle does not result; the illustration and text must agree.

  1. 1. 1.1 Storyboard

    Draw three storyboard panels naming which points/edges are visible. Write the final explanatory sentence before choosing animation effects.

    You should see: Three panels have different informative states.

  2. 2. 1.2 Storyboard

    Allocate a total of nine seconds among establishment, additions and final connection. Keep holds explicit so the viewer has reading time.

    You should see: Timing totals nine seconds.

  3. 3. 1.3 Storyboard

    Add a static sentence/list that preserves the same relationship without time-dependent viewing.

    You should see: Static meaning is complete.

  4. 4. 1.4 Storyboard

    Change the three points to collinear positions in a copied plan and identify why the original triangle explanation must change.

    You should see: Collinearity changes the geometric claim.

Now change one thing

A revised diagram has three distinct noncollinear points but connects only A–B and B–C; C–A is missing. Does the displayed diagram enclose the intended triangular region? Answer yes or no.

Your work

What to finish

A three-stage storyboard and static explanatory text.

Common mistake

Watch for this

Adding movement that distracts without explaining any changed relationship.

How can I tell I understand it?

You can state what each stage teaches and preserve it without motion.

Try 3 questions

Quick knowledge check

Answer all 3 questions. Get at least 2 right and the lesson completes automatically.

Not yet passed

You’ll get an explanation for each answer. Signed in? Your results save to your account.

1Which storyboard change carries explanatory meaning?
2Which description accurately scopes nine seconds?
3What must change when all points become collinear?
0 of 3 answeredApply the lesson to a short question, then review the explanation.
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Finish this lesson

Pass the check. We’ll save the progress.

Answer all 3 questions above and get at least 2 right. You can review the explanations and try again.

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Tools and templates

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Sources and further reading

Explore the references behind this lesson.

MDN: Using CSS Animations
Source & access notes · checked 2026-10-01

Read duration/keyframes/fill/iteration semantics after canonical redirect; original timing/storyboard supplied.

Access: Public page text or PDF was opened and read through the web reader on 2026-10-01; no signup required for reading.

Reuse: Linked for further study. All LifeStarter scenarios, samples, assets and assessments are original; no source exercises or artwork are copied.

MDN: SVG Basic Shapes
Source & access notes · checked 2026-10-01

Read actual circle center/radius, rect and line coordinate controls after canonical redirect; original figures/code supplied.

Access: Public page text or PDF was opened and read through the web reader on 2026-10-01; no signup required for reading.

Reuse: Linked for further study. All LifeStarter scenarios, samples, assets and assessments are original; no source exercises or artwork are copied.

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