Mayra AV #1 7B

1. Required Materials Step-By-Step Procedure:
 1 Potato (small or medium sizes will work Take your paper and mark it with the word "salted" and place
Dehydrated best) it on a flat surface, such as a table.
 2 Dishes or Saucers (deep enough to 2. Place one of the dishes on the paper and the other next to
hold about a half inch of water) it.
Potato  Cutting board
 Knife
 Salt (about 2 tablespoons)
3. Fill each dish with an equal amount of water (the water level
should be high enough to fill the dish, but not so high that it
overflows).
 Water
 Piece of paper 4. Stir two table spoons of salt into the dish marked "salted'.
Mariale Nava, Sofia Menchaca,  Pen, pencil or marker 5. Using your knife and your cutting board, cut the potato in
half. Make sure to cut the potato so you have two equal size
Ana Sofia Salazar, Diana Chapa, pieces.
Mayra Aenlle. 6. Place one-half of the potato, flat side down, into the dish
Observation marked "salted".
What do you think will happen to the 7. Place the other half of the potato, flat side down, into the
dish with plain water.
potato that's bathing in the plain
water? What will happen to the potato 8. Let the potatoes sit in the dishes undisturbed for about an
hour.
that's bathing in the salted water?
Result:
The salt water is acting as a dehydrator by
drawing moisture out of the potato. As
the water is drawn out of the potato, the
potato begins to get dehydrated. As it
Science Fair 2012 dehydrates, the potato shrivels.