1. Station One/ Alka-Seltzer & Water Break the Alka-Seltzer tablet into two pieces. Fill the flask up with 10 mL. of water. Place the Alka-Seltzer into the flask Put the balloon on the mouth of the flask. Rinse out the flask Is this a physical or chemical change? If it is a chemical change, then justify your answer with evidence.

2. Station Two/ Two Leaves Compare the first leaf to the second leaf. Is this a physical or chemical change? If it is a chemical change, then justify your answer with evidence.

3. Station Three/ Oxidation Observe the steel wool and vinegar in the baby jar. Compare the current temperature to the original temperature. Is this a physical or chemical change? If it is a chemical change, then justify your answer with evidence.

4. Station Four/ Salt Water Observe the boiling Salt Water. Do you notice any changes? Is this a physical or chemical change? If it is a chemical change, then justify your answer with evidence.

5. Station Five/ Glow Sticks Compare the first Glow Stick to the second Glow Stick. Is this a physical or chemical change? If it is a chemical change, then justify your answer with evidence.

6. Station Six/ Bleach & Cloth Use your pipette to put a small amount of bleach on the cloth. Is this a physical or chemical change? If it is a chemical change, then justify your answer with evidence.

7. Station Seven/ Milk & Food Coloring Place a drop of food coloring into the milk Is this a physical or chemical change? If it is a chemical change, then justify your answer with evidence.

8. Station Eight/Vinegar & Milk Put 5 mL of vinegar and 5mL of milk into the petri dish. Look closely to see changes. Rinse out the graduated cylinders and petri dish Is this a physical or chemical change? If it is a chemical change, then justify your answer with evidence.

9. Station Nine/ Blowing Bubbles Blow bubbles one time Is this a physical or chemical change? If it is a chemical change, then justify your answer with evidence.