1. Answer the following questions while you make
observations and run tests at Lab Station #1. Name: ____________________
You MUST get your answers checked by the Period: _______
teacher before you are dismissed for the rest of Date: _________
the lab stations. Failure to do so will result in a
zero.
1. Use the compass to fill in the empty circles. The circles mimic the circles you see on
the table. Run the compass over the table slowly. Record the results of the compass test
(write what the compass shows) in the circles below.
○ ○ ○ ○ ○ ○
2. This is actually a model of the mid-ocean ridge. With that in mind, where is the ridge?
At A At B At C
At D At E
3. Ok. So this is a model of the Mid-Ocean Ridge. Where is the youngest rock?
At A At B At C
At D At E
4. Where is the oldest Rock? At A At B At C At D At E
5. Now, go back to the circles you labeled. Let’s pretend I add one more circle to both ends. Label
the compass reading at this location on the circle below. How do you know that is what it would be?
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6. Ok. Now explain how the pattern of magnetism supports the theory that the sea-floor is spreading
at mid-ocean ridges. Do NOT discuss age in your explanation. Simply focus on magnetism. Think
about HOW rocks become magnetic.
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