AdventurerKatzi
Put a non-slip pad on the table or floor.
Take a large glass bowl. The glass should be completely transparent and have no patterns or engravings. So you can better recognize the air bubbles.
Make these attempts together with someone, because you can't see everything so well when you're doing it yourself.
Get your straw. First, just blow the air through the straw. Look what happens.
The water will move bubbling in the bowl.
Try to change the airflow by pushing evenly.
Observe then by looking into the glass sideways, what can be seen under the water surface.
Try to blow out the air in such a way that individual small air bubbles arise.
On the water surface it is good to see that the air bubbles can even swim.
Look carefully!
It requires a lot of practice to create individual small air bubbles. Here you have to dose your air well, but with a lot of concentration you can do it.
Try to move the water in a circle with the straw. As soon as you remove the straw, air bubbles are created here as well.
These swim on the surface as well.
Also try whether you get air bubbles in the water without straw, e.g. blow in or with the help of a balloon.
Let the air flow out of the inflated balloon onto the surface of the water.
- a water strudel is formed, a bubble can form, but the air must be blown under the surface of the water in order to become visible as an air bubble, not only
on it.
Try what you can use yourself.
Different straws, whether different materials or thickness of straw, aids such as spoons or snow brooms to stir the water...and what changes.
Experimented and watched!
Have fun.
Materials
Directions
Put a non-slip pad on the table or floor.
Take a large glass bowl. The glass should be completely transparent and have no patterns or engravings. So you can better recognize the air bubbles.
Make these attempts together with someone, because you can't see everything so well when you're doing it yourself.
Get your straw. First, just blow the air through the straw. Look what happens.
The water will move bubbling in the bowl.
Try to change the airflow by pushing evenly.
Observe then by looking into the glass sideways, what can be seen under the water surface.
Try to blow out the air in such a way that individual small air bubbles arise.
On the water surface it is good to see that the air bubbles can even swim.
Look carefully!
It requires a lot of practice to create individual small air bubbles. Here you have to dose your air well, but with a lot of concentration you can do it.
Try to move the water in a circle with the straw. As soon as you remove the straw, air bubbles are created here as well.
These swim on the surface as well.
Also try whether you get air bubbles in the water without straw, e.g. blow in or with the help of a balloon.
Let the air flow out of the inflated balloon onto the surface of the water.
- a water strudel is formed, a bubble can form, but the air must be blown under the surface of the water in order to become visible as an air bubble, not only
on it.
Try what you can use yourself.
Different straws, whether different materials or thickness of straw, aids such as spoons or snow brooms to stir the water...and what changes.
Experimented and watched!
Have fun.
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