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Friday, October 12, 2018

Science of Rock Candy

Science lesson learn
water evaporates, sugar crystals don't. Sugar will precipitate and separate from the supersaturated sugar water. Seed crystals will form on your stick which will attract more sugar crystals. A week later you have produced a tasty science on a stick.

3 Cups Granulated Sugar
1 Cup water
Flavor (optional)

You will also need wooden skewers, mason jars--or a skinny tall glass, food coloring, sugar, and clothespins.

In a medium sized saucepan, bring the sugar and water to a boil to dissolve all sugar. You don't need to rapid boil at all...for any amount of time. Just dissolve the sugar. It makes a super thick syrup!

Add the flavoring...

Prepare your jars and sticks
The clothespins keep the sticks centered and not touching the bottom of the glass.

Take your sticks and lightly wet them. Then roll them in sugar. Allow them to "dry". The sugar gives the syrup something to stick to and get the crystals growing faster.

added 1 drop of food coloring to the bottom of the jar. pour in syrup.
(let the syrup cool to room temperature. If not, your sugar on the sticks will dissolve)
The time for cooling was very hard to wait...but essential!

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