CAUTIONI!! etivity 7. Looks can be deceiving! aterials: tand cold water Be careful in handling hot objects. used folder/ index card dye or dyubos (red and blue) or any color of food coloring 2 pcs transparent bottle (glass) cs plate ocedure: Completely fill one bottle with hot water. Keep filling until the water reaches the neck of the bottle. Completely fill one bottle with cold water. Keep filling until the water reaches the neck of the bottle. Add dye or any food color to the bottle with hot water. Watch how the drops of dye or food color mix in the water. Place the two plastic plates on a table. Put one cold-water bottle on one plate, and one hot-water bottle on the other plate. Cut a piece of used folder index card slightly bigger than the opening of a bottle, and then place he card on the mouth of the hot-water bottle. Gently tap the index card. This will help to make ure, that the card is in contact with the entire rim of the bottle. Carefully and slowly invert the hot bottle without touching the paper, and place it directly on top of the cold-water bottle on the plate. Line up the mouths of the bottles, but leave the used folder/index card in place. This will be the set-up. red dye/ hot water rocessing questions: What happens to the water in the bottle? blue dye/cold water What causes the behavior of the water in the bottles? 9|Page
CAUTIONI!! etivity 7. Looks can be deceiving! aterials: tand cold water Be careful in handling hot objects. used folder/ index card dye or dyubos (red and blue) or any color of food coloring 2 pcs transparent bottle (glass) cs plate ocedure: Completely fill one bottle with hot water. Keep filling until the water reaches the neck of the bottle. Completely fill one bottle with cold water. Keep filling until the water reaches the neck of the bottle. Add dye or any food color to the bottle with hot water. Watch how the drops of dye or food color mix in the water. Place the two plastic plates on a table. Put one cold-water bottle on one plate, and one hot-water bottle on the other plate. Cut a piece of used folder index card slightly bigger than the opening of a bottle, and then place he card on the mouth of the hot-water bottle. Gently tap the index card. This will help to make ure, that the card is in contact with the entire rim of the bottle. Carefully and slowly invert the hot bottle without touching the paper, and place it directly on top of the cold-water bottle on the plate. Line up the mouths of the bottles, but leave the used folder/index card in place. This will be the set-up. red dye/ hot water rocessing questions: What happens to the water in the bottle? blue dye/cold water What causes the behavior of the water in the bottles? 9|Page
Introductory Chemistry: An Active Learning Approach
6th Edition
ISBN:9781305079250
Author:Mark S. Cracolice, Ed Peters
Publisher:Mark S. Cracolice, Ed Peters
Chapter16: Solutions
Section: Chapter Questions
Problem 14E
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ACTIVITY 7
Transcribed Image Text:CAUTION!!!
etivity 7. Looks can be deceiving!
aterials:
t and cold water
ocs plate
Be careful in handling hot objects.
used folder/ index card
dye or dyubos (red and blue) or any color of food coloring
2 pcs transparent bottle (glass)
ecedure:
Completely fill one bottle with hot water. Keep filling until the water reaches the neck of the bottle.
Completely fill one bottle with cold water. Keep filling until the water reaches the neck of the bottle.
Add dye or any food color to the bottle with hot water. Watch how the drops of dye or food color mix in the water.
Place the two plastic plates on a table. Put one cold-water bottle on one plate, and one hot-water
bottle on the other plate.
Cut a piece of used folder index card slightly bigger than the opening of a bottle, and then place
he card on the mouth of the hot-water bottle. Gently tap the index card. This will help to make
ure, that the card is in contact with the entire rim of the bottle.
Carefully and slowly invert the hot bottle without touching the paper, and place it directly on
top of the cold-water bottle on the plate. Line up the mouths of the bottles, but leave the used
folder/index card in place. This will be the set-up.
red dye/ hot water
rocessing questions:
What happens to the water in the bottle?
blue dye / cold water
What causes the behavior of the water in the bottles?
9|Page
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