
Hello!
Where have you seen gels or other slimy masses in nature or in everyday products?
Write it in the comments below.
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Hello!
Where have you seen gels or other slimy masses in nature or in everyday products?
Write it in the comments below.
Before you write a comment, please review the rules of use.

Welcome to the blog!
What have you found out: what properties do aerogels have, and what can they be used for?
Write it in the comments below.
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Hi everyone,
Glad you’re here!
I’ve been wondering the whole time what researchers still want to invent in aircraft construction today. I mean, we already have planes that fly great. Nevertheless, researchers are still working on aircraft construction. Why is that? So what could still be invented or what could still be improved?
Share your ideas with others in the community.
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Well,
what did you observe in your attempts? What takes longer to land: a crumpled piece of paper or a flat sheet of paper? What happens if you blow over a sheet of paper with a hairdryer or with your mouth?
Did anyone also do the additional experiment? What did you observe? And do you already have an idea why the results are like that?
Did you perhaps even conduct the experiment with modifications (e.g., with a different paper size, a heavier or lighter paper, or with more or less crumpled paper)? Did your results change?
I look forward to your reports.
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Hi everyone,
well, did you pay close attention to the video? Then prove your new knowledge in the fill-in-the-blanks exercise right away. (Only you will see the results of your fill-in-the-blanks exercise!)
And as they say, practice makes perfect. If you have watched the information in the video once and then read it again in the fill-in-the-blanks exercise, you will surely be the next airflow pros 😉
How was the fill-in-the-blanks exercise for you? Was it difficult or easy? Do you still have any open questions? Discuss them with the others.
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Well,
have you been busy building your wings? Which ones did you find the most difficult to build? Did you perhaps even come up with and build a fourth wing?
Take a photo of your wings and share it with the others. I’m excited to see what you’ve accomplished!
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Hi everyone,
what did you observe during the experiment? Did you get your wings to rise? What happened when you moved the hairdryer upwards? Which wing rose with it?
Did you perhaps already have an idea why this is happening?
I look forward to your observations.
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Hi everyone,
you have successfully completed the wing puzzle 🙂 But how did you like it overall? What did you find particularly interesting, exciting, or cool about this puzzle? What did you learn? And what did you perhaps not like so much? Is there anything you would have wished for differently?
I am very excited to see what you write.
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Hi everyone,
Are you as fascinated by the topic of flying as we are? Then you’ve come to the right place. In addition to our airplane puzzle and the wing puzzle here on Kniffelix, there are many other exciting websites or places that deal with the topic of flying.
Here we have collected a few tips for you:
The Federal Association of the German Aerospace Industry offers websites for teachers, children, and young people on the topic of aerospace: www.skyfuture.de.
Specifically for primary school children, there is the site: https://www.skyfuture.de/zukunftsflieger (formerly juri). There you will find magazines, information materials, all information about competitions, craft templates, and much more.
In the student laboratories of the German Aerospace Center, the so-called DLR_School_Labs, school classes can conduct experiments themselves on topics related to aerospace, as well as traffic research and energy. There are many exciting things to discover and explore. DLR_School_Labs are available in several cities in Germany. At our DLR_School_Lab TU Hamburg (Technical University of Hamburg), your class can conduct experiments on air and shipping.
In addition, there is the website DLR_next, where you will find a lot of exciting information and learning materials on aerospace and other topics.
If you enjoy watching airplanes, observation decks at airports are an exciting place. Inquire at the airport near you about when the observation decks are open to visitors.
Now you have learned a lot about chromatography and seen what a high-performance liquid chromatography device looks like.
You can surely label the components of HPLC now.
Have fun!
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