Atal Tinkering Labs ATL

   

How can you pour water down a string?

Water has some special properties, making it a very unique substance.   There are three forces at work in this experiment: gravity, adhesion, and cohesion. Gravity pulls the water down toward Earth. Adhesion attracts water to other objects. Cohesion attracts water molecules to other water molecules. In this experiment adhesion attracts the water to the string and cohesion keeps the water flowing in a steady stream.   Water molecule has two hydrogen atoms and one oxygen atom. These atoms end up having positive and negative charges, which cause them to stick to one another. This is why you see raindrops…

Gallium experiment

Gallium is a chemical element with symbol Ga and atomic number 31. It is in group 13 of the periodic table. It will melt to a liquid at temperatures greater then 85 degree, slightly above room temperature. Which means it will melt in your hands.   Health effects of gallium Pure gallium is not a harmful substance for humans to touch. It has been handled many times only for the simple pleasure of watching it melt by the heat emitted from a human hand. However, it is known to leave a stain on hands.  

Energy Tube Experiment

The way the Energy Tube’s works is a sensing circuit that is so sensitive that it can detect even a very small amount of electricity that travels across your skin! By placing one hand on the top and the other on the bottom of the Energy Tube and the flashing lights and sound maker let you know that you’ve completed the circuit.  

Making Butter experiment

Heavy cream is what is called an “emulsion”. An emulsion exists when tiny droplets of one type of liquid are floating around in another type of liquid that does not like to mix with the first. In the case of heavy cream, tiny globules of fat are suspended in mostly water. By shaking the heavy cream in the cup (5 minutes), you are forcing the fat globules to slam into one another. If they hit each other with enough force, they will simply stick together, the fat collection becoming bigger and bigger with each extra globule. After enough shaking, the…

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