Isostatic Adjustment Lab
Instructions:
1.
Fill up your plastic tray with water.
2.
Place two drops of red food coloring in the water.
3.
Cut the Dixie cup in half.
4.
Place the Dixie cup in the water.
5.
Draw a line on the Dixie cup that traces the water line.
6.
Make a hypothesis as to what will happen when you add weight to the Dixie cup.
7.
Place a few pennies and/or marbles into the Dixie cup (while it is in the water)
8.
Do not sink or tip the Dixie cup!
9.
Draw a line on the Dixie cup that traces the new water line.
10.
Make a hypothesis as to what will happen when you take the weight out of the
Dixie cup.
11.
Take the weight out of the Dixie cup.
12.
Draw a line on the Dixie cup that traces the new water line.
Questions: (Find answers from your head, group, p83-84)
1.
How does this lab relate to Plate Tectonics?
2.
How does this provide more evidence of Plate Tectonics?
3.
What does the water represent?
4.
What does the cup represent?
5.
What do the pennies/marbles represent?
6.
How is this lab an accurate representation?
7.
How is this lab an inaccurate representation?
8.
What stage of Isostatic Adjustment is our continent in?