Reusable Cold Pack experiment

Reusable Cold Pack experiment

REUSABLE COLD PACK Experiment Objective: TO understand the concept of freezing point depression by making a reusable cold pack. Materials: Quart freezer bag Isopropyl rubbing alcohol Food coloring (Optional) Safety Precautions: Isopropyl alcohol is poisonous if ingested. Be sure to clearly label the bag “POISON” before putting it into the freezer. Procedure: Add 2 cups…