Transcript Station Lab

Station One/ Alka-Seltzer & Water
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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.
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.
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.
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.
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.
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.
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.
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.
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.