| A | B |
|---|
| Geologists are scientists who study | Forces that shape Earth/Rocks&minerals of Earth/Materials that form solid earth |
| Seismic waves provide indirect evidence caused by _________ | earthquakes |
| Geologists have identified three main layers of Earth. They are . . . . | crust/core/mantle |
| Earth’s layers vary in temperature. Closer to the surface, temperatures are relatively________. | cool |
| Earth’s layers vary in pressure. Pressure increases from the surface of Earth toward the ________. | core |
| The core of Earth is mostly iron and __________. | nickel |
| place on Earth’s surface directly over the focus of an earthquake | epicenter |
| waves of energy that travel through Earth’s crust and interior | seismic waves |
| the thick region between Earth’s core and crust | mantle |
| a rigid layer composed of the crust and the upper mantle | lithosphere |
