fitz6.files. viewWhat did Harry Hess discover? How did he discover it? Sea-floor Spreading. What is it? Where does it happen? How does it happen? What does it do? Evidence for His Discovery. Molten Material. How was it found? What did it show? Magnetic Strips. What is this? How did it happen? What does it show? Drilling Samples. What are these?

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    20-Mar-2018

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HARRY HESS and SEAFLOOR SPREADING NOTES Name ______________________ Class _______

Question

Answer

Harry Hess

1. Who is Harry Hess?

2. What was his job?

The Discovery

1. What did Harry Hess discover?

2. How did he discover it?

Sea-floor Spreading

1. What is it?

2. Where does it happen?

3. How does it happen?

4. What does it do?

Evidence for His Discovery

Molten Material

1. How was it found?

2. What did it show?

Magnetic Strips

1. What is this?

2. How did it happen?

3. What does it show?

Drilling Samples

1. What are these?

2. Where are they from?

3. How did they get them?

4. What did they show?

Subduction and Sea-floor Spreading

Subduction

1. What is it?

2. Where does it happen?

3. What happens?

4. How is it related to sea-floor spreading?

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