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Which Grows faster, salt crystals or sugar crystals?

Science project

Elle Stevens

on 2 October 2015

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Transcript of Which Grows faster, salt crystals or sugar crystals?

Gathering info
When a material is set in a solution that is saturated with large quantities of a certain mineral , crystalizaion takes place. The crystals grow when the sugar and salt in the solution are drawn to something that they are able to grow on. Example a piece of thread on a popsicle stick. The thread being the vessel for growth. When the thread is placed in the solution it absorbes the solution and the crystals form and harden. Salt is also less energized in a solid form than sugar is and it causes the salt crystals to be smaller and denser than the sugar crystals.
What you'll need:
Record data
The salt crystals did grow at least 3 days faster than the sugar.
If I use the same amount of salt to sugar when making my crystal solutions, then the salt crystals will grow faster.
By. Elle Stevens
Since salt has a less energized solid form I think its crystalization process will be faster.
Boiled water
4 cups of sugar
4 cups of salt
popsicle sticks
string or yarn
2 jars or glass cups
paper towel or coffee filter
The End
Thank You :)
Scientific Method Project
Which grows faster
Salt crystals or Sugar crystals?
IV: The form of the sugar and salt.
DV: The size of the crystals in a certain amount of days
Constant: amount of water ,salt
and sugar.
Control: Faster
How to do it
*Boil 2 pots of water(8 cups)
*in one pot add 4 cups of sugar and in the other add 4 cups of salt.
*Stir till dissolved
*while the solution heats up, Tie a 2 pieces of string or yarn around 2 popsicle sticks.
*after the solution is at a low boil take it of the heat and pour into the glass jars.
*place the string/yarn into the jar with the popsicle stick resting on the lip of the jar.
*Place a paper towel over the jars and secure with a rubber band.
*place in a spot where it wont be touched or moved.

Trial 1
1 cm
0 cm
1.2 cm
2 cm
3 cm
4 cm
5 cm
6 cm
.3 cm
Trial 2
In Ten days the salt crystals were the largest during trial 1.
The first signs of crystals showed on the salt string on the 4nd day.
The sugar crystals didnt show signs till the 7th day.
Time needed
*Ten days
On the second trial i did everything exactly the same and nothing grew.
0 cm
0 cm
The second trial was unsuccsessful because nothing grew.
My hypothesis was correct and the salt crystals grew faster than the sugar cystals.

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