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Real Science: Candy Geology

How can taffy-like candy help you learn geology? Science Educator Becky and her daughter MJ show you how in this Candy Geology experiment. So grab your Starbursts (or other taffy-like candy) and let's get to work!

Materials:

  • Taffy-like candy, like Starbursts
  • Waxed paper
  • Microwave safe plate or bowl
  • Spoon
  • Microwave
  • Hot pad

Process:

  1. Unwrap 4-5 candies, and cut them into small pieces (about the size of a pea). These will be the sediment to form sedimentary rocks.
  2. Gather the candy pieces into a ball and gently press them together to form a rock. If they candies aren’t holding together, place a drop or two of water on the candies. This is now a sedimentary rock is formed over time.
  3. Place the candy rock in-between layers of waxed paper. Use your spoon to gently press and flatten the rock. Complete this process several times, to create a metamorphic rock.
  4. Set the metamorphic rock on a microwave safe plate, or bowl, and microwave for 30 seconds. An adult should assist with this step, and use proper safety gear, as the plate or bowl will get hot.
  5. Gently stir the melted candy, and allow it too cool for at least 5 minutes.
  6. The candy is now an igneous rock.

Share your rock candy creations with us by using the hashtag #TCMatHome on social media!