Contribute

If you are signed in, you can create a new demonstration here.

Before creating a demonstration check that a similar one does not already exist.

Choose a clear and descriptive name for your demonstration before starting.

When entering the page name:

• Use only lowercase letters.
• Do not use punctuation.
• Replace spaces with underscores.

E.g. “Elephant's Toothpaste” becomes elephants_toothpaste

Once your demonstration has been created, please follow the instructions provided below.

General Information

• Please add as much detail as possible.
• Administrators may delete or edit a demonstration if it duplicates an existing one or is inappropriate.

Formatting

• Ordered list items (1., 2., 3. etc.) are made with space space dash.
• Unordered list items (bullet points) are made with space space star.
• Or use the list buttons in the editor.
  
• Use \\ for line breaks.
  
• Subscripts (<sub>, </sub>) and superscripts (<sup>, </sup>) are available.
• Comments about the demonstration that won't be published can be made with /* (start) and */ (finish).

Title [Required]

• Provide a title, ideally 2–10 words.
• Use Title Case (capitalize the first letter of important words).

Format: ======[Demonstration Title]======

Grey Box Information [Required]

• Paste the following exactly. This ensures information from the Demonstration Info box is displayed.
• Ensure Alternative titles section is edited as described.

<WRAP right box>\\
**Materials: **{{$demo.materials_description}}\\
**Difficulty: **{{$demo.difficulty_description}}\\
**Safety: **{{$demo.safety_description}}\\
\\
**Categories:** {{$demo.categories}}
\\
**Alternative titles:** [List Alternative titles, separated by commas. Delete square brackets if none.]

Summary [Required]

Paste the following exactly:

====Summary====
{{$demo.summary}}\\

Do not edit this. This content is automatically taken from the Demonstration Info box.

Procedure [Optional if links are provided]

• Write the procedure as steps. Use ordered lists (space space dash) or unordered lists (space space star)
  
• Do not copy copyrighted material, link to it instead.
  
• Chemical names: lowercase unless at the start of a sentence or in a title.
  

Links [Optional if full procedure is provided, otherwise required]

• Provide links to instructions or videos.
• Embed videos using the 'Insert Video' button above the text edit box.
• Place large-scale or unsuitable-for-school versions at the end.
• Use double brackets for links:
  • Example: [[https://www.google.com]]
• Precede links with emojis and a short description:

📄 Text instructions
🎞️ Video
📄🎞️ Both text and video

• Examples:

📄 With 3% hydrogen peroxide and yeast catalyst - Science Buddies: [[https://www.sciencebuddies.org/stem-activities/elephant-toothpaste]]
🎞️ A very large example in a swimming pool - Mark Rober: [[https://www.youtube.com/watch?v=Kou7ur5xt_4]]\\.

• If linking to a PDF or document with multiple demonstrations, indicate where to find it (e.g. “Page 6, title Peroxide Whoosh”).

Variations [Optional]

• List variations as unordered list items (space, space, star).
• Examples of variations could include different materials, larger scale or alternate settings.
• Variations must remain safe; add precautions in Safety Precautions if risks change.

Safety Precautions [Required]

• List all required precautions as unordered list items (space, space, star).
  
• Example: Safety glasses required.
  
• Ensure all safety considerations are listed.
• Include details where necessary.

Question to Consider [Optional]

• Add questions for students to encourage learning or discussion.
• List as unordered items (space, space, star).
• Include answers if they would not be obvious to a teacher.

Demonstration Information [Required]

Complete the Demonstration Info box carefully. This information is used for classifying and categorizing the demonstration.

• Page Name: Must follow the format demonstrations:page_name (where page_name is what appears in the URL).
• Categories: Select 1–5 relevant categories.
• Summary: A clear 1–2 sentence description of the demonstration. Example: 30% hydrogen peroxide is added to a potassium iodide catalyst, detergent and food colouring, and oxygen bubbles rapidly produce a foam.
• Materials Description: Choose the star rating that best suits the demonstration.
• Materials: Must match the chosen Materials Description rating.
• Difficulty Description: Choose the star rating that best suits the demonstration.
• Difficulty: Must match the chosen Difficulty Description rating.
• Safety Description: Choose the star rating that best suits the demonstration.
• Safety: Must match the chosen Safety Description rating.