MODULE 1-3 EAS
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MODULE 1-3 EAS - Marcador
MODULE 1-3 EAS - Detalles
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| 🇬🇧 | 🇬🇧 |
| Is the rigid, solid layer that covers the Earth and is made up of crust and upper mantle. | LITHOSPHERE |
| Lithosphere came from the 2 words '____' and '_____' | Lithos(stone) and sphaira(globe/ball) |
| The edges that separate the tectonic plates with one another. | Plate boundaries |
| It is the most active plate boundary. | Pacific Plate's Ring of Fire |
| Is associated with an oceanic crust that lies in the ocean floor. | Oceanic Lithosphere |
| Is associated with the exposed landmasses. | Continental Lithosphere |
| Oceanic lithosphere is _____ years old | 260 million |
| Thickness of Oceanic and Continental L. | Oceanic- 7-10km, Continental- 25-70km |
| Density of Oceanic and Continental L. | Oceanic- 3.0g/cm^3, Continental 2.7g/cm^3 |
| Oceanic L. is primarily composed of _____ | Basaltic rocks |
| Continental L. is primarily composed of ____ | Granitic rocks |
| What are the 7 Primary Tectonic Plates? | Eurasian, Australian, North American, South American, Antarctic, African, Pacific |
| What Are the 8 Secondary Tectonic Plates? | Philippine, Juan de Fuca, Cocos, Scotia, Nazca, Indian, Caribbean, Arabian |
| Used by scientists as basis for dividing lithosphere into several plates | VOLCANISM, SEISMIC ACTIVITY & MOUNTAIN FORMATION |
| Geologic events and features such as earthquakes, active volcanoes, and major mountain ranges are distributed ______ | Near or along plate boundaries. |
| The sudden shaking of the ground that may result in destruction of infrastructure and lives. | Earthquake |
| Is the point on the surface of the earth that lies directly above the origin of the earthquake. | Epicenter |
| 2 types of Seismic Waves | Body waves and Surface waves |
| 2 types of Body waves | P wave and S wave |
| 2 types of Surface wave | Rayleigh wave and Love wave |
| Is used to record the motion of the ground. | Seismograph |
| Scientists use the ______________________________ to get the distance of the epicenter from the seismic station. | Difference in the arrival time of P-wave and S-wave |
| Three distances from three different seismic stations are needed to determine the exact location of the epicenter using a method known as ____________. | Triangulation method. |
| Is any physical feature of the earth’s surface that is formed by a geologic process. | Geologic Features |
| Distribution of earthquake epicenters | Scattered everywhere |
| Distribution of active volcanoes. | Along the edges of the plates. |
| Distribution of MOUNTAIN BELTS (MOUNTAIN RANGE) | Along the edges of the plates |
| Is a technique which is used to date materials such as rocks or carbon, in which trace radioactive impurities were selectively incorporated when they were formed. | Radioactive Dating Technique |
| A theory which suggests that Earth’s crust is made of plates that interact in various ways, thus producing earthquakes, mountains, volcanoes, and other geologic features. | Plate Tectonics Theory |
| Is a group of mountain ranges with similarity in form, structure, and alignment that have arisen from the same cause, usually an orogeny. | A MOUNTAIN SYSTEM OR MOUNTAIN BELT |
| Refers to mountains formed in the same age and with the same process arranged in narrow and long belts | Mountain Range |
| Folded mountain belts sometimes form at _________ boundaries because the rock is compressed and forced upward. | Convergent plate |
| What makes up the lithosphere? | Crust and upper mantle |
| Where is the location of active volcanoes, earthquake epicenters, and major mountain belts? | Along the edges of the plates |
| How earthquake epicenters, active volcanoes, and major mountain belts are distributed? | The distribution of earthquake epicenters is different from active volcanoes, and major mountain belts |
| What is needed to determine the epicenter of an earthquake? | The distance of the epicenter from three different seismic stations |
| What is needed to determine the distance of the epicenter from a seismic station? | I believe ito ang sagot (The difference in the arrival time of P-wave and S-wave) pero ang sabi ni maam ay ito (The difference in the arrival time of P-wave and S-wave from three different seismic stations) and I, Thank you. |