Hi Guys
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Plz give me some best and useful topics for science exhibition.
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MissSlayer:
Plz any body answer
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Answer=> I myself represented my school for CBSE science exhibition, I won't tell you my topic but can give you some really amazing ideas
{Ï] Drawer that produces electricity when it is opened or closed .
[Ï|] floating solar panel.
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Answered by
15
Some best topics for science exhibition are ⏬⏬
This classic project uses baking soda, vinegar and red food coloring to simulate a volcanic eruption. You can make the body of the volcano out of clay or plaster. Try to make it as realistic as possible, with a convincing magma chamber, conduit and crater. When you are ready, mix a cup of vinegar and a spoonful or two of baking soda in order to create a foamy flow of lava.
This experiment is very easy to do, and is so fun it has been featured in a major TV ad and countless internet videos. When you drop a roll of Mentos into a 2 liter bottle of soda, CO2 bubbles attach to the surface of the candy and grow as the candy dissolves. This creates a soda geyser almost instantly. It will reach a height of about six feet, so yo may want to try this outdoors! (Also, you may want to use diet soda to avoid stickiness.)
There are many different solutions that can make for an effective invisible ink. One of the most well-known is made from lemon juice. The juice of a lemon or two is likely to be enough: you only need enough to dip a small paintbrush that you will use to write your secret message. The invisible ink can be made visible just by heating it carefully over a candle for a few seconds. For something with a bit more of a high-tech flair you can use Quinine Sulfate tablets to make an ink that will only become visible under UV light. Quinine sulfate is used for the treatment of malaria and is easy to find online.
This classic project uses baking soda, vinegar and red food coloring to simulate a volcanic eruption. You can make the body of the volcano out of clay or plaster. Try to make it as realistic as possible, with a convincing magma chamber, conduit and crater. When you are ready, mix a cup of vinegar and a spoonful or two of baking soda in order to create a foamy flow of lava.
This experiment is very easy to do, and is so fun it has been featured in a major TV ad and countless internet videos. When you drop a roll of Mentos into a 2 liter bottle of soda, CO2 bubbles attach to the surface of the candy and grow as the candy dissolves. This creates a soda geyser almost instantly. It will reach a height of about six feet, so yo may want to try this outdoors! (Also, you may want to use diet soda to avoid stickiness.)
There are many different solutions that can make for an effective invisible ink. One of the most well-known is made from lemon juice. The juice of a lemon or two is likely to be enough: you only need enough to dip a small paintbrush that you will use to write your secret message. The invisible ink can be made visible just by heating it carefully over a candle for a few seconds. For something with a bit more of a high-tech flair you can use Quinine Sulfate tablets to make an ink that will only become visible under UV light. Quinine sulfate is used for the treatment of malaria and is easy to find online.
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