How to make giant soap bubbles

This tough shiny liquid is called Glycerin / Glycerol. Glycerin is the secret needed to make giant soap bubbles as large as a human head! It makes the soap bubbles big and strong. The glycerin is found in many products that are in our homes such as a moisturizer in skin products, soaps, toothpaste and even in many foods and drinks. In wine, it is glycerin that gives the full taste.

What you need to make giant soap bubbles:

• 1,5 litre water
• 0,25 dl glycerine
• 1 dl dish washing soap

It is important to mix everything carefully, and it may be beneficial to use lukewarm water. There are also other ways that works well. You can explore it yourself! Some use sugar to inflate the bubbles you can use your hands, straws or similar things you have at home. You can also tap together several straws in a triangle or a square – tilt then you can make a soap bubble machine. It is easy to get to really big bubbles. Share the soap bubble moment with #scientistfactory.

Facts about giant soap bubbles:

• The world’s largest soap bubble was made in Germany in 1992 and measured 2.3 meters in diameter.
• Soap bubbles are round because it is the best form to collect the most possible volume in a shape with the least possible surfac.
• A soap bubble bursts if an object pricks a hole on it or if the water evaporates.
• Children have been playing with soap bubbles for at least 400 years.