175x Filetype PPTX File size 0.12 MB Source: www.fsus.school
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!?!?!?!?!
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