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18 types

ARTIFACTS

Every artifact type Celk can generate during a teaching session. Explanation artifacts present information. Quiz artifacts are interactive and scored.

EXPLANATION
QUIZ
01

Comparison Table

EXPLANATION

Side-by-side breakdown of two concepts across shared attributes. Great for highlighting contrasts.

▸ COMPARISON
Mitosis
Meiosis
Purpose
Growth & repair
Sexual reproduction
Divisions
1
2
Daughter cells
2 (diploid)
4 (haploid)
Genetic variation
None
Yes, via crossing over
02

Analogy Card

EXPLANATION

Maps an unfamiliar concept to something the student already understands. Anchors abstract ideas.

▸ ANALOGY
CONCEPT
RAM
≈
LIKE
A desk
WHY

RAM holds data currently in use, just like a desk holds the papers you're working on right now — fast to access, but cleared when you're done.

03

Formula Card

EXPLANATION

Renders a LaTeX expression with a symbol glossary. Used for equations and mathematical relationships.

▸ FORMULA
E=mc2E = mc^2
EEnergy (joules)
mMass (kilograms)
cSpeed of light ≈ 3 × 10⁸ m/s
04

Timeline

EXPLANATION

Displays a chronological sequence of events on a vertical spine. Useful for history or process flows.

History of the Internet
1969ARPANET goes live
First message sent between UCLA and Stanford.
1983TCP/IP adopted
Standardised protocol for network communication.
1991World Wide Web
Tim Berners-Lee publishes the first website.
2007Mobile internet
iPhone launches, reshaping web access.
05

Hierarchy

EXPLANATION

Tree diagram showing parent-child relationships. Good for taxonomies, class structures, or org charts.

Hierarchy
Living Things
└─
Prokaryotesno nucleus
└─
Bacteria
└─
Archaea
└─
Eukaryoteshas nucleus
└─
Animals
└─
Plants
└─
Fungi
06

Mermaid Diagram

EXPLANATION

Renders flowcharts, sequence diagrams, or graphs from Mermaid syntax. Auto-styled to match the dark theme.

▸ DIAGRAM
07

Multiple Choice

QUIZ

Classic single-answer question with 3–5 options. Select your answer and submit.

▸ QUIZ ARTIFACT / MULTIPLE CHOICE

Which organelle is responsible for producing ATP through cellular respiration?

08

Fill in the Blank

QUIZ

Sentence with one or more gaps. Type the missing word(s) exactly to score points.

▸ QUIZ ARTIFACT / FILL IN THE BLANK
Newton's law states that for every action there is an equal and opposite .
09

Matching

QUIZ

Match each term on the left to its corresponding definition on the right. Items on the right are shuffled.

▸ QUIZ ARTIFACT / MATCHING
Select a term on the left, then its match on the right.
10

Order / Sequence

QUIZ

Rearrange shuffled items into the correct order. Click two items to swap them.

▸ QUIZ ARTIFACT / SEQUENCE

Select two items to swap them. Repeat until the order is correct.

1.Helicase breaks hydrogen bonds between base pairs
2.Primase lays down an RNA primer
3.DNA polymerase extends the new strand
4.Ligase seals the Okazaki fragments
5.DNA unwinds at the origin of replication
11

Short Answer

QUIZ

Open-ended text response graded by AI (CORRECT / PARTIAL / INCORRECT). Best for explanations.

▸ QUIZ ARTIFACT / SHORT ANSWER

Explain why the sky appears blue during the day but red and orange at sunset.

⌘↵ to submit
12

Spot the Error

QUIZ

A statement contains a deliberate mistake. Identify the error and state the correction.

▸ QUIZ ARTIFACT / SPOT THE ERROR

The powerhouse of the cell is the nucleus, which converts glucose into ATP through cellular respiration.

Something in the above statement is wrong. Identify the error and state the correction.

⌘↵ to submit
13

True / False Set

QUIZ

A batch of statements each labelled TRUE or FALSE. Must score ≥75% to pass.

TRUE / FALSE4 statements
The speed of light in a vacuum is approximately 3 × 10⁸ m/s.
Sound travels faster than light.
Electrons carry a negative charge.
Protons are found in the electron cloud.
14

Label the Diagram

QUIZ

Click a blank in the diagram, then click the correct word from the word bank.

LABEL THE DIAGRAM
     [1]
      |
 [2] - nucleus - [3]
      |
     [4]

Cell organelles: label each arrow.
WORD BANK — click a blank above, then a word below
15

Categorise

QUIZ

Assign each item to one of several categories. All items must be categorised before submitting.

CATEGORISE
Gold (Au)
Water (H₂O)
Air
Oxygen (O₂)
Salt water
Carbon dioxide (CO₂)
16

Number Line

QUIZ

Drag the slider to place a value on a number line. Correct within the tolerance threshold.

NUMBER LINE

Boiling point of water at standard atmospheric pressure.

0°C200°C
100°C
17

Build the Sentence

QUIZ

Reconstruct a sentence by clicking word tokens in the correct order from a shuffled word bank.

BUILD THE SENTENCE

Put the definition of osmosis in the correct order.

Click words below to build your answer...
WORD BANK
18

What Happens Next?

QUIZ

Given a scenario, predict the outcome from multiple options. Tests causal reasoning.

WHAT HAPPENS NEXT?

A red blood cell is placed in a solution with a much higher solute concentration than its cytoplasm.