| A | B |
|---|
| Who proposed the Continental Drift Theory. | Alfred Wegener |
| The outermost layer of the earth | The crust |
| Convection currents occur in this part of the mantle | Asthenosphere |
| The Father of Modern Geology (geologic time scale) | James Hutton |
| one large super continent | Pangaea |
| 20 plates | The lithosphere is divided into ? |
| The Theory of Sea Floor Spreading | Harry Hess |
| Hawaii's volcanoes is due to? | Hot Spots |
| S-waves ??? when they hit the earths outer core | Reflect |
| P-waves ??? at the core-mantle boundary | refract |
| large mountain range in the mid Atlantic stretching 46K miles | Mid-Atlantic ridge |
| The reversal of the Earths magnetic field | Sea Floor Spreading |
| Earths core is made of? | Iron and Nickel |
| Oceanic crust | Dense and thin crust |
| Continental Crust | Less dense and thicker crust |
| When one plate goes beneath another plate | subduction |
| When two plates move together | convergent |
| When two plates move against each other | transform |
| The earths lithosphere divided into moving plates | Plate tectonics |
| measures ground movement | seimograph |
| The height of the seismograph readings | Intensity of an earthquake |
| Difference in arrival time between P and S waves | Distance to the epicenter of an earthquake |
| How may seismograph readings for finding the epicenter of an earthquake? | 3 seismograph readings |
| Each magnitude movement on the Richter scale | A magnitude of 10 |
| The place where slippage first occurs | The focus of an earthquake |
