Growing Rock Candy Crystals

Making your own rock candy is a fun and tasty way to grow crystals and see the structure of sugar on a big scale.

Growing rock candy crystals.

Sugar crystals are called rock candy because these hard crystals are edible. It s also an excellent opportunity to get creative in the kitchen because the color and flavoring combinations you can create are endless. You only need a few common kitchen materials for this crystal project. How about next time they are looking for a sweet treat you add some fun learning to their snack request.

Tie the string to a pencil or butter knife. Better yet it doubles as a science experiment because you get to watch the sugar crystals grow. Rock candy is easy to make at home it tastes great and it s a fun recipe to do with kids. A seed crystal isn t necessary as long as you re using a rough string or yarn.

Grow rock candy or sugar crystals. Growing sugar crystals is a fun and easy science experiment for kids. Grow sugar crystals and make homemade rock candy with this simple chemistry experiment. This recipe is for rock candy that you can eat.

You can eat the natural clear crystals or you can color and flavor them. You might want to grow a seed crystal a small crystal to weight your string and provide a surface for larger crystals to grow on. 3 cups sugar sucrose. As a solid it can either be amorphous without shape like when it forms cotton candy or crystalline with a highly ordered structure and shape like when it forms rock.

Sugar crystals in granulated sugar display a monoclinic form but you can see the shape much better in homegrown large crystals. The biggest exception is rock candy which consists of sugar or sucrose crystals. In this science fair project you will make a saturated solution of sugar and water in order to grow your own rock candy sugar crystals. Sugar sucrose crystals are one of the few types of crystals you can grow and eat.

Allow the skewers to dry completely before proceeding to the next step. How to grow rock candy. Rock candy is a collection of large sugar crystals that are grown from a sugar water solution. Most crystals you can grow look pretty but aren t good to eat.

As in the rock candy project you made a saturated solution of borax which is a chemical that forms crystals when the conditions are right. Rock candy is another name for sugar or sucrose crystals. Sugar like many other materials can come in many different physical states. Are your kids always in the kitchen looking for a snack.

You will compare the rate of growth between rock candy that is left to nucleate on its own in the solution and rock candy that starts off with some assistance.