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Lisa88868
Lisa88868 asks:
Q:

how do i write a observation for my science project on the earth's core

In Topics: Science fair
> 60 days ago

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Expert

greenprof2
Mar 29, 2012
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What the Expert Says:

Well, you will have to drill a very long tunnel...

No, really, you can't make a direct observation. Scientists make indirect observations by recording patterns made at seismic measuring sites of the several types of waves that go throughout the planet after an earthquake.

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