JungEun Choi (Aileen)        11th
 Dirty, old pennies would become cleaner when they are washed with the solution of vinegar and salt.
 Vinegar Salt Dirty, old pennies Plastic bottle Water Paper towel
1.   Put vinegar and salt into the bottle and mix them     well.2.   Put pennies into the bottle.3.   Shake the bottle for...
 The pennies became cleaner than before.
 Salt is nacl. When salt and vinegar are mixed, vinegar  separates nacl into na and cl. And cl has the ability to  clean ...
When an egg is           When vinegar and         The acid in vinegarintroduced to vinegar,   baking soda are          dis...
 Google Science Fair:The Google Science Fair is an online science competition sponsored by  Google, Lego, CERN, National ...
Upcoming SlideShare
Loading in...5
×

Science fair, jung eun aileen choi 11th

372

Published on

Published in: Technology, Education
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
372
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
4
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Science fair, jung eun aileen choi 11th

  1. 1. JungEun Choi (Aileen) 11th
  2. 2.  Dirty, old pennies would become cleaner when they are washed with the solution of vinegar and salt.
  3. 3.  Vinegar Salt Dirty, old pennies Plastic bottle Water Paper towel
  4. 4. 1. Put vinegar and salt into the bottle and mix them well.2. Put pennies into the bottle.3. Shake the bottle for few minutes.4. Take the pennies out and rinse them with water.5. Rub the pennies with paper towel.
  5. 5.  The pennies became cleaner than before.
  6. 6.  Salt is nacl. When salt and vinegar are mixed, vinegar separates nacl into na and cl. And cl has the ability to clean metalic things. So when pennies are washed with the solution of vinegar and salt, they become cleaner. Also acid in coke can clean pennies.
  7. 7. When an egg is When vinegar and The acid in vinegarintroduced to vinegar, baking soda are dissolves the bone.the vinegar dissolves mixed, they give out After few days inthe egg shell, and the CO2. With this CO2 vinegar, bone becomesegg becomes more we can blow a balloon. flexible enough to beflexible. bent.
  8. 8.  Google Science Fair:The Google Science Fair is an online science competition sponsored by Google, Lego, CERN, National Geographic and Scientific American.[1][2][3] It was announced in January 2011; all entries were due at 11:59:59 pm Eastern Daylight Time on April 7, 2011 and judging occurred in July 2011. The competition is open to 13–18 year old students around the globe, who formulate a hypothesis, perform an experiment, and present their results. The world’s science fair converges on Vancouver
  1. A particular slide catching your eye?

    Clipping is a handy way to collect important slides you want to go back to later.

×