1. What kind of rock grows?

2. This delicious candy is actually crystalized sugar and you can grow it from your own sugar-water solution. As a kid I thought rock candy was amazing, and I still think it looks pretty neat! You will learn that making your own rock candy is a fun and tasty way to grow crystals and see the structure of crystals on a big scale as they form into rocks. To get you to better understand the three different types of rocks, Igneous, Sedimentary and Metamorphic, we will explain each type of rock by providing you with your own flavor. Sounds fun right? Now lets dig in!

5. Gather the ingredient's. You will need: 2 cups of H2O 3 cups of sugar -1/4 cup corn syrup -food coloring for your specific rock -igneous: RED -sedimentary: BLUE -metamorphic: GREEN -cotton string/skewer -paper clip -jar

6. Tie a piece of string around the middle of the pencil. It should be long enough that it is 1” above the bottom of the jar when placed on top the jar. If you have a skewer, use a clothes pin and attach it to the center.

7. Wet the string. Roll it in sugar.

8. Remove the boiling water and stir in the sugar and corn syrup. Add 1tbsp at a time until it has dissolved. Add in your designated food coloring Must be assisted by your teacher

9. Pour the sugar water into your glass jar. Be careful it will be very hot.

10. Tie a string (or skewer) to the center of a pencil. Put the string (or skewer) in the water and have the pencil lay across the top of the jar. Be sure to not have the string (or skewer) touch any part of the jar.

11. Place the jar some where that it will not be bothered Be sure to not put it in a refrigerator

12. Leave your string or skewer in the jar until you think the crystals are big enough. These crystals will start forming in a day or so.

13. Now you can remove the string or skewer from the glass jar and let it dry.

14. After it dries…it’s time to eat your rock candy!

15. RUBRIC Exemplary 4 Qualified 3 Developing 2 Beginning 1 Points Earned Following the Steps The students did an excellent job of following instructions. The students did a good job of following instructions. The students began their rock candy but did a few steps incorrectly. The students did not complete their rock candy. Understandin g Types of Rocks Students are able to identify the differences of the three types of rocks Students are able to identify some, but not all types of rocks. Students can recognize a rock but cannot explain where it came from. Students cannot identify different types of rocks. Final Product Many crystals were clearly formed. The rock candy turned out the way that it was supposed to. The rock candy did not form as well as it could have. No rock candy formed. Group Participation The group worked very well together, listened to each other’s ideas and did a great job of staying on task. The group worked well together and did a good job of staying on task. The group did not stay on task, but did complete the project. The group did not do a good job of working as a team.