Things Required: Stir gently because the solution is less viscous (more runny) than before you heated it. If the sugar isn't firmly stuck to the wood, it may fall off in the glass and the crystallization will occur on the sugar on the bottom of the glass and not on your skewer. Also, would not have, "This was a fun activity to do. These are “seed” crystals. You may wish to cover the jar with a paper towel or coffee filter to … Don't let the string or stick touch the sides or bottom of your container. Holding the pencil, lower the string into the solution and let it soak for a short time. Growing Sugar Crystals with String and Making Rock Candy. ", definitely worth the time out of my day try. Could I use a foam cup for the rock candy instead of glass? The larger you want it to become, the longer you will need to wait. (Here are snacks to make when you get hungry, too!) To make rock salt, start by bringing some water to a boil in a saucepan and adding salt, stirring it so it dissolves. So, you dip a string into a solution of sugar and water and it seems pretty uneventful. 8:30 am – 5:00 pm (MST), Denver Office It will be very viscous (thick) and heavy because there’s a lot more sugar than water in there. The most common way to make this candy is with a bamboo skewer or string. Use a string made from natural fiber, like twine or cotton. ). Make sure the skewer or thread is hanging about an inch from the bottom of the jar. He used a piece of string like candle string, and dangled it over the jar by tying it to a spoon handle. ", "This is such an amazing article. thoroughly cool the flat rock candy, which will take approximately an hour. Foam cups are extremely porous. If sugar has grown a layer on top of the liquid, carefully chip it away with a knife or fork. When you feel satisfied with the size of your sucker, carefully remove it from the glass bu pulling straight up on the skewer or string. Generally speaking, glass is completely smooth, therefore it gives no opportunity for crystals to accidentally grow on it instead of your string. Sprinkle a small amount of sugar on the string or wood skewer. ", thought of using Kool Aid to color and flavor. Just wet the bird's head with water & he dips to take a drink. (String method: Dip your cotton string in the sugar solution, roll it in sugar, and allow it to completely dry. Use a kitchen mallet or the handle of a butter knife to strike the hardened flat rock candy and break it into pieces. Try different extracts like peppermint, strawberry, vanilla, or even banana. Tie one end of a piece of string around the middle of the stick, skewer or pencil. Set them aside to cool and harden. You can skip this step or try to speed it along by wetting the string and rolling it in granulated sugar (just make sure the string is. Make sure all the sugar is stirred but watch out for splatters of hot liquid. Another option is to soak the string in the syrup and then hang it to dry, which will cause crystals to form naturally (this method produces 'chunkier' rock candy crystals). This article has been viewed 1,665,322 times. - Cover the jaw with foil. Monday – Friday Improved trigger mechanism to prevent accidental eruptions. : Today I am going to demonstrate a technique I had developed to grow rock candy crystals in just a matter of a few hours, instead of the conventional several weeks. A DIY rock candy science experiment might be for you!. Dip the string, washer-end first, into the jar of sugar water for five to 10 seconds. ", "I make it in a pan, but the other solution is good too!". Blue Sky is the street name … Notice how the solution is changing by just using heat. CAUTION: An adult must handle the hot solution and move it to a stable, heat-safe location. The best part is that my rock candy experiment worked. For this experiment, that meant cooking up 12 batches of rock candy for each group. For the other half, dip the last 12.7 centimeters (5 inches) of the end of the skewer or string into a cup of clean water, then roll it in a small pile of sugar. If it starts boiling, your syrup is most likely burned. As the solution cools, the water saturation point of the water will become lower, and it will no longer be able to hold the amount of sugar. It’s a fun project for scientists of any age—and learning how to make rock candy is the perfect rainy day activity. Using a foam cup would result in chaos, with crystals forming all around your cup or you will just get an ugly dried-out lump of sugar that doesn't crystallize. The Book of Knowledge and Sure Guide to Rapid Wealth (1873) Little Rock Candy. - Cover the jaw with foil. We had a great time, we also used Kool-Aid as a color/flavor agent, which did help with both. Thanks! Pour the extra sugar on a plate and roll the skewers in sugar to coat them. Hang the rock candy … Use the scissors to cut off a length longer than the small container is tall. - Remove candies when they are covered with big sugar crystals. Dip one end of the string 12.7 centimeters (5 inches) into a cup of clean water, then roll it in a small pile of sugar. Thank you very much for the recipe. When you make rock candy, you can see the shape of sugar crystals on a giant scale. Pictures are a good idea! Be the First to Share Did you make this project? That fills 12 small jars. The skewer or string act as a “seed” that attracts the cooling sugar to adhere to it. Making rock candy is a great intro to being crafty in the kitchen. You could also try putting it in the dishwasher. You can also use a cotton string, you'll need to tie it to a weight of some kind, so it doesn't float in the syrup. Glass jars or cups have very few porous spots. 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