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Earthquakes + more
Earthquakes, Plate tectonics, and Volcanoes.
| Question | Answer |
|---|---|
| 3 types of volcanoes. | Shield, Composite, and Cinder cone. |
| Describe a Shield volcano. | Largest type, looks like a warriors shield, gentle slope large crater. |
| Describe a Composite volcano. | Look like mountains, alternating layers of ash and lava. |
| Describe a Cinder cone volcano. | Smallest, steepest, large crater, and made of ash and cinder. |
| What are the three types of lava flows. | AA, Pahoehoe, and Pyroclastic flow. |
| Describe Aa | Aa is a slow moving cool lava with lots of silica. |
| Describe Pahoehoe | Fast moving, very hot lava, little silica. |
| Describe Pyroclastic flow. | When magma is thick and sticky it builds up pressure. Is the most dangerous its compounds are gas, cinder, and ash. |
| Name the parts of the volcanoe | Vent, Crater, Side vent, Lava, Lava flow, Magma, Pipe, Magma chamber. |
| Define hot spot | An area where Magma burns through the crust like a blow torch. |
| Define geyser | A jet of very hot water that shoos up out of the ground. |
| Define Extinct | A volcano that will never erupt again. |
| Define Caldera | Large crater that is produced when a volcano empties its magma chamber. |
| Define ring of fire. | A chain of volcanoes around the Pacific Plate. |
| Define Dormant | A "sleeping" volcano |
| Define explosive | Type of eruption that produces pyroclastic flows. |
| Define silica | Combination of oxygen and silicon |
| Define hot spring | Pool of water that is heated up by magma. |
| Define Active | A volcano that still can erupt and will soon in the future. |
| Define Quiet | Eruptions that produces two types of lava. |
| Define volcanic neck. | What forms when magma in a volcanoes pipe cools off. |
| Define Batholith | What is formed when a volcanoes magma chamber cools off. |
| What are the three types of plate boundaries. | Divergent, Convergent, and transform. |
| Describe divergent. | The two plates go in opposite directions. |
| Describe transform. | The two plates go past each other. |
| Describe convergent. | The plates go towards each other. |
| What are the three types of stress. | Shearing, Tension, and Compression. |
| Describe shearing. | Shearing is going aside each other and scraping off each other. |
| Describe Tension | Pulls the rock apart making it thinner in the middle. |
| Describe Compression | Squeezes the rock together so it folds and breaks. |
| What are the types of faults. | Strike slip, normal, and reverse. |
| Describe strike slip. | Go across each other created by shearing. |
| Describe Normal | Go in opposite directions created by tension. |
| Describe reverse. | Go towards each other created by compression. |
| Define folding | A bend in a rock |
| Define Anticline | When a rock is bent on an upward arch |
| Define Syncline | When a rocks bent on a downward curve |
| Define Platue | A land form that is a piece of flat land raised above sea level. |
| What is the difference between Syncline, Anticline, and Platue. | Syncline is on a downward curve anticline is on an upward curve and a Platue is not curved and above sea level. |
| Define Tidal wave. | Waves caused by tides (gravity of moon) |
| Define Tsunamis | Humongous waves caused by earthquakes. |
| What is the difference between Tidal wave and tsunami. | Tsunami created by earthquakes and Tidal wave created by tides. |
| What is the Mercali scale. | A scale that rates earthquakes based on their intensity this is very precise. |
| What is the Richter scale. | A scale that rates earthquakes based on the seize measured by seismographs is good and accurate but only near the focus. |
| What is the Moment magnitude scale. | A scale that is used to rate all earthquakes. |
| What are the safety precautions to take in case of an earthquake. | -Under table -Away from objects that can fall -High area -Outside -Drop,Cover, and Hold. |
| What is a seismic wave? | Waves that travel through earths layers caused by earthquakes. |
| What is a P wave | The first of the 3 seismic waves it is the least powerful and contracts and expands the ground. |
| What is a S wave. | The second of the 3 waves more powerful than P wave moves the ground side to side and up and down. |
| What is a surface wave. | The 3rd and most powerful of the three waves it is the slowest and rolls the ground. |
| What is a focus. | Focus: The point where an earthquake starts. |
| What is the epicenter. | Epicenter: The point above the focus on the surface. |
Created by:
16eferro
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