Try this science experiment at home

What makes the best bubbles? Try this experiment and see!

Whizz Pop Bang what makes the best bubbles

Would you like to know what makes the best bubbles?

 

Make a base mixture of water mixed with washing up liquid. If you don’t already have one, you can make a bubble wand using a pipe cleaner. Experiment with blowing bubbles, and then try adding sugar, baking powder, corn syrup or glycerin to your mixture, one at a time. Test how each ingredient changes the surface tension and affects the bubbles.

Have you ever wondered why bubbles form in soapy water but not in ordinary water? The answer is surface tension. The surface tension of water is too strong for bubbles to last – the water molecules pull each other together and the bubbles quickly burst. When water is mixed with soap, the surface tension becomes weaker and the liquid can be ‘stretched’ more, allowing bubbles to form.

 


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Whizz Pop Bang is for inquisitive girls and boys

Whizz Pop Bang science magazine for kids_girl experimenting“I get very frustrated about the lack of women in science, having experienced sexism at university, such as comments about women being at the kitchen sink instead of in laboratories. I wanted to be part of the solution and try to change that attitude.”

Jenny Inglis

The team at Whizz Pop Bang have all experienced this attitude, which is why one of the key aims behind the magazine and the community we’re building is to grow confidence and provide role models for girls.

Whizz Pop Bang is a completely gender neutral children’s science magazine, because we strongly believe that science is for girls, just as much as it is for boys. This message needs to be communicated to not only to girls, but also to boys who need to see their female friends and peers as future scientists. We ensure every issue has strong female scientist role models, and content that appeals to all children.

The challenge is to reach out to families who don’t see science as part of their everyday lives. Our aim is to provide as many kids as possible with the opportunities to discover their natural curiosity and approach not just science, but all STEM subjects with an open mind. If we can help to achieve this at primary school, it will encourage more girls to see themselves as scientists of the future and continue their secondary education believing in themselves.

Read all about how Jenny started Whizz Pop Bang, and how she and the team have created a science magazine that inspires thousands of children to be curious:

https://www.theguardian.com/small-business-network/2015/nov/20/science-magazine-founder-turns-her-kitchen-into-a-lab

 

 


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What is a crystal?

WHAT ARE CRYSTALS?

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Crystals are solids that are made up of repeating structures. When tiny building blocks, called atoms or molecules, stick together in repeating patterns they form crystals. Different atoms and molecules make different crystals.There are seven basic types of crystal. In a cubic crystal every edge is the same length and each angle is the same size. Other crystal shapes can have edges and angles that are different sizes. Scientists class crystals according to the number of differently-sized edges and angles that they have.
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Try making your own crystal structure at home

Using cocktail sticks or dry spaghetti to represent bonds and raisins or marshmallows to represent the atoms, can you make the structure of a crystal? There are many different shapes that you could make. The important thing is that your crystal structure has a regular pattern.
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