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| Question | Answer |
|---|---|
| A scientist who studies the forces that make and shape planet Earth | an expert in geology, the study of what the Earth is made of and how it was formed |
| a naturally occurring solid composed of minerals, rock fragments, and sometimes other material such as organic matter | a naturally occurring solid composed of minerals, rock fragments, and sometimes other material such as organic matter |
| The study of earth's history as revealed in the rocks that make up the earth | Geology, of that studying rocks onearthscrust.Geologist know that earth's landforms work of natural forces that build up and and wear down on the land |
| shape Earth's surface by building up mountains and land masses | Constructive forces shape the surface by building up landmasses. |
| Destroys and wears away land masses through a process like erosion and weathering | Destructive forces are those that slowly wear away mountains. |
| one of Earth's seven large land areas | There are seven great land masses called continents,surrounded by oceans. |
| a ground vibration produced by an earthquake. The closer to the epicenter, the stronger these waves are felt. | When there are earthquakes they produce seismic wave.Geologist record the seismic waves and study how they travel through the earth |
| the force being exerted on some part of Earth's structure due to gravity or the movement of its layers. | Pressure is the force pushing on a surface.Because of the weight above. |
| The outermost layer of solid rock that includes both dry land and the ocean floor. The thinnest layer of the Earth. | The crust beneath the ocean is called oceanic crust.Oceanic crust is a dense rock such as basalt.Basalt is a dark,dense rock with a unique texture. |
| A dark, dense, igneous rock with a fine texture, found in oceanic crust. | Continental crust, the crust that forms the continents,consists mainly of less dense rocks such as granite. |
| The thick layer of hot, solid material between Earth's crust and core that has convection currents | A trip through Earth’s mantle goes almost halfway to the center of Earth |
| The crust and upper mantle of the Earth that is solid and rigid. | The rigid crust and lithosphere float on the hot plastic material of the asthenosphere. |
| The soft layer of the mantle on which the lithosphere floats. | Lithosphere floats on the hot,plastic material of the asthenosphere.Notice that continental crust,made mostly of granite,is several times thicker than oceanic crust made mostly of basalt. |