Pumpkin Bag
   With your shoulder partner, take 2 minutes 
    to draw a pumpkin face with a Sharpie on 
               the bag. 
   RULES:
   • BE CAREFUL TO NOT RIP YOUR BAG!
   • Do not play with the substance inside your bag. 
   • Leave the label on the outside of the bag. 
   Pumpkin Bag
   1. Observe powder in the plastic bag and the 
    liquid in the cup.
   2. Take the cup with liquid in it and put it in the 
    zipper sandwich bag (that contains the 
    powder) WITHOUT dumping it.
   3. Seal the zipper bag tightly.
   4. Make a prediction: What do you think will 
    happen when the two substances mix? 
   Pumpkin Bag
   5. Keeping the zipper part of your bag at the top, 
    dump the cup of liquid into the sealed bag. 
   6. Swirl the bag around, taking turns holding the 
    bag.
    Pumpkin Bag
    USE YOUR 5 SENSES TO OBSERVE THE BAG
    How does it feel? 
         How does it sound? 
             How does it look?
                Can you smell anything? 
                    (Please don’t taste it!)
    What changes are taking place? 
             How have the contents of your bag changed? 
      Physical or Chemical Change??
        Based on your observations, predict which one is a physical change 
                        and which one is a chemical change.
                TELL YOUR SHOULDER PARTNER YOUR PREDICTION.  
      Bag Popping:          Physical Change     OR      Chemical Change?
      Pumpkin Bag:          Physical Change     OR      Chemical Change?
                              WHY!?!?!?!?!