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03 Toothpick Torpedo

Take some shampoo at the end of a wooden toothpick. Put
the toothpick in a pan of water. The toothpick will start moving in the direction
of the sharp end.

Trick behind it?
Shampoo contains agents that reduce the surface tension of liquids.
As the shampoo dissolves, it reduces the water’s surface tension
around it, thus releasing the water’s hold. The water around the
other end of the toothpick still has surface tension, so it pulls the
toothpick in that direction.

04 Flying Tea Bag

Hollow out the center of the tea bags with your fingers and stand them up
on end on the solid metal or stone surface. With a match, quickly light the
top tip of each standing tea bag. Watch as the tea bag burns to the bottom,
and then quickly floats up into the sky.

Trick behind it?
The flying tea bag experiment is a heat experiment. As the flame burns
it heats the air inside the tea bag. As the air gets hotter the molecules
become less dense and move around.The less dense warmer air rises
above the denser cooler air around the tea bag. Since the tea bag is very
light it rises with it and appears to fly.

References: 1. https://scoutlife.org/ 2. https://www.coffeecupsandcrayons.com/

#FunFacts Bananas are Radioactive!

01 Bananas contain potassium and
since potassium decays, that
makes the fruit radioactive. How-
ever, 10 million bananas would be
required in order to kill a person due to
radioactive poisoning. Still, more radiation
enters our body on eating a banana than on living
within 50 miles of a nuclear power plant.

Water can exist in 3 states at the same time

At a specific point of temperature and pressure,
02 materials can exist as solid liquid and gases at the
same time. This is known as the triple point or triple.
All substances have different triple points. Water
reaches its triple point at 0.1°C of temperature and 0.006
pascals of pressure.

Bhavishya Dhiman, X-G, Govt Coed Sr Sec school, Preet Vihar

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