Author: Ronaldo Bunarli

Well, did you find any more objects at home and test whether the center of gravity was exactly or approximately in the middle?

Then take a photo of the object right away. Upload it and write whether the center of gravity was approximately in the middle. Of course, you can also take a photo of yourself balancing the object on your finger. But make sure that only your finger and the object are visible, and not yourself.

I’m excited to see what you found :)!

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Every plant has very different preferences for its environment. One prefers it drier, the other feels really comfortable in wet soil.

I was recently on vacation in Bordeaux, a warm region where a lot of wine is grown. There I learned that wine thrives best on loamy soil. This can retain water well, so that the roots do not dry out in hot temperatures and the young vines remain “fresh”.

Do you know of any other plants that prefer a very specific type of soil? Feel free to do some research on the internet (or in your local hardware store ;)) and write me your findings in the comments.

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What could you observe during your water flow experiment?

How much water could your different soils absorb? How much water seeped out of the samples? How fast did the water flow?

Which of your soils would you recommend for growing flowers and which not so much?;)

I’m curious: Write your experiment results in the comments. Did you perhaps take a picture of your experiment? Then you can upload it.

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So, what did you find out from the finger test?

How did the soil feel in your hands?

Was it rough and gritty like sand,
powdery like loam,
or smooth and sticky like clay?

Were you able to shape the soil well, or did it just trickle through your fingers?

What type of soil was your sample? From what location did you take the sample? Write me your test results in the comments. You can also upload a photo of your soil location.

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I don’t know either, I somehow don’t have a knack for greenery 🙁 My plants at home often die. In the meantime, I have a lot of artificial flowers in my apartment, so luckily not much can go wrong…

Can’t you really get along with plants either? Or does everything grow and thrive with you? Are you plant lovers with a green thumb? Do you have a favorite flower or tips for me?

Tell me in the comments 🙂

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Do you also want to make your cornstarch dance? Then let’s go! For the experiment you need:

When force is applied to the cornstarch, for example, when you hit it with a spoon, it becomes solid. But what happens when you play sounds to it? At what pitch does it really start to dance? Does it prefer low or high tones?

Write your observations in the comments. Can you explain the cornstarch’s preference?

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you have already learned about a number of non-Newtonian fluids. Do you know of any other fluids that do not follow Newton’s law? Go on a research mission and tell the others what you have found out:)

Before you write a comment, please take another look at the game rules.

Before you write a comment, please take another look at the rules of the game.

Have fun!