Fill-In-The Blanks for Interior of the Earth - Chapter 17

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1. The velocity of an S wave in the outer core is . .

2. The mechanical transfer of heat by virbration of atoms and molecules is called . .

3. A gravity survey crosses a salt dome which is enclosed in limestone. There would be a ________ anomaly on top of the salt .

4. About every 500,000 years the Earth's magnetic field undergoes a . .

5. P waves _________ when they cross the Moho.

6. P waves ________ when they go from the mantle into the outer core .

7. If the Earth were a perfect sphere the gravitational attraction at sea level would be ____________ no matter where the measurements were made.

8. As elevation above sea level increases, the gravational attraction ______ . .

9. S waves _______________ when they cross the Moho .

10. When a P wave hits a boundary it converts to an S wave, reflects and .

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