Teachers, save “Rock Cycle - Chocolate Model (Notes)” to assign it to your class.

Look at the attached picture and compare it to the rock cycle. Explain how each cookie or brownie was formed and how it relates to that type of rock Safety Concern: The hot plate will cause burns. Use it carefully!!! Wash your hands before and after! PROCEDURE Part 1 1. Break the chocolate bars into small pieces 2. Gather these small pieces onto a piece of aluminum foil and fold the aluminum foil 3. Squeeze together the aluminum foil with the palm of your hands Part 2 4. Unfold the aluminum foil and stack the small chocolate pieces on top of each other 5. Press down on the small pieces (using your weight) and then place the aluminum foil on top of the hot plate Part 3 6. Carefully remove the aluminum foil from the hot plate and let it cool down (igneous = completely melted) 7. Open the aluminum foil and observe how the chocolates have changed Additional resource - https://www.learner.org/interactives/rockcycle/rockdiagram/ https://www.youtube.com/watch?v=6Tl31CF5STg