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  •  NESA Accredited Teacher

  • High school chemistry & physics specialist 30+ years

  • The Crazy Scientist in primary schools — 15 years

  • International conference presenter on science education

  • Creator of the LAB™ Learning System

  • Curriculum aligned: NSW Science & Technology K–6 (2024)

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A picture is worth a thousand words — check this out and see if you can spot the science hiding in plain sight.

From the LAB

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What you will need

  •  ½ cup white PVA school glue

  •  1 cup foam shaving cream (standard aerosol shaving cream — NOT gel)

  • ½ teaspoon baking soda

  •  1–2 tablespoons saline solution (contact lens solution — must contain boric acid and sodium borate in the ingredients list)

  • Food colouring (optional)

  •  A large mixing bowl

How to do it

Did it work? Share the science! Tag @the_crazy_scientist on Instagram — we love seeing your experiments!

Cloud Slime

Designed by Darin Carr (BSc, DipEd)

NESA Accredited Teacher Chemistry & Physics Specialist

Creator of the LAB™ Learning System

The Cloud Factory science experiment for kids — fluffy cloud-like slime held in a child's hands, made from PVA glue, shaving cream, and saline solution. Demonstrates how structure determines properties. The Cloud Factory experiment by The Crazy Scientist.

7-12 yrs
Easy
30
min
Stage 3
>
Cloud Slime

The Crazy Scientist LAB Learning System™

Every experiment follows The Crazy Scientist Lab Learning System™ — a simple way to help kids think like real scientists.

We

  • LINK to what they already know,

  • ACTIVATE curiosity through hands-on discovery

  • BUILD understanding that actually sticks.

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"Want the full teacher guide? The Crazy Scientist Lab includes classroom delivery tips, how to manage the WOW moment, differentiation for Stage 2 & 3, — ready to teach tomorrow."

Think Like a Scientist

Scientists don't just do ONE experiment; they change one part of the experiment (independent variable) and then see how it affects another part of the experiment

(dependent variable)

Change ONE variable and test again.

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🧪 Try it! Change ONE thing and test again. What did you discover?

Want to go deeper? Tap a section below to explore. ▼

The Science Behind It

Extension: G&T Years 5 & 6

Vocabulary

Know a parent or teacher who'd love this? Send it on! 👇

The Crazy Scientist Lab
Want to teach this like a real scientist?

The free page gives you the guided experiment that you can run tomorrow. The Lab gives you everything else a teacher needs.

For parents, primary school teachers and home school
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The Crazy Scientist books

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These highly visual books combine storytelling and real science, helping students revisit key concepts and stay engaged long after the session.

Designed by a practising NSW classroom teacher (30+ years experience), these books directly support NSW Science & Technology (2024) outcomes and reinforce “Working Scientifically” skills.

Perfect for classroom libraries or home explorations.

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For teachers (YouTube)
— Science Before the Bell

  •   Quick, curriculum-linked science you can teach tomorro

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Try Another Crazy Experiment

Keep the science going with these fun experiments

Let's Go!

This recipe has been watched 17 million times. Everyone uses a different shampoo. Some get stretchy slime. Some get a gooey mess. The difference is on the label — and today you are going to find it.

7-12 yrs

Stage 3

7-12 yrs

Stage 3

Ancient Greeks used it. The chemistry is sitting in your kitchen.

7-12 yrs

Stage 3

Keep exploring with The Crazy Scientist

Kids Science

Parties Sydney

High-energy, unforgettable birthday experiences

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Amazing

Science Incursions in the Inner West

Bring the same

high-energy science into your school.

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Teacher-Led Science Clubs Across Sydney

Available to schools in the Inner West and surrounding areas.

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Hands-On Science Workshops

Interactive STEM experiences aligned to the NSW syllabus.

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The Crazy Scientist® is Australia's home 
for hands-on science — free experiments, 
science shows, school incursions, and 
the LAB™ Learning System.

Sydney, NSW, Australia

© The Crazy Scientist® Pty Ltd (ABN: 69 679 628 632). 
All rights reserved.

THE CRAZY SCIENTIST® is a 
registered trademark

(No. 1622307).

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