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Why do the shawdow zone exist?
The shadow zone exists because seismic waves from an earthquake are refracted by the Earth's core, causing a gap where no waves are detected on the opposite side of the Earth. This phenomenon occurs due to differences in the composition and density of the Earth's layers, which affect the speed and path of seismic waves.
Do seismic wave get stronger or weaker as they move through the earth?
Seismic waves can both weaken and change in character as they travel through the Earth. High-frequency seismic waves tend to weaken more quickly than low-frequency waves due to attenuation and energy dissipation along their path through the Earth's material. However, some seismic waves can also amplify in certain structures, leading to stronger shaking at specific locations.
How do seismograms recorded during earthquakes help scientists learn about the composition on earth?
Seismograms give information about the path of seismic waves and the speed of seismic waves. The speed of seismic waves depends on the density of the material the seismic wave is traveling in. We know, for example, that the core of Earth is liquid, because S waves do not travel through the center of Earth.
How sesmic waves travel through earth?
Seismic waves travel through the Earth due to the release of energy from seismic events like earthquakes. The waves propagate through different layers of the Earth, bending and changing speed as they encounter different materials. Their speed and path provide information about the Earth's interior structure.
How does wave affect sediment?
Waves can affect sediment by picking up particles from the seafloor and transporting them along the coastline, a process known as longshore drift. Strong waves can also erode coastal areas, moving sediment away and potentially shaping the land through processes such as beach erosion or cliff retreat. Additionally, waves can deposit sediment brought in from offshore, contributing to the formation of beaches and coastal landforms.
Why do the shawdow zone exist?
The shadow zone exists because seismic waves from an earthquake are refracted by the Earth's core, causing a gap where no waves are detected on the opposite side of the Earth. This phenomenon occurs due to differences in the composition and density of the Earth's layers, which affect the speed and path of seismic waves.
Do seismic wave get stronger or weaker as they move through the earth?
Seismic waves can both weaken and change in character as they travel through the Earth. High-frequency seismic waves tend to weaken more quickly than low-frequency waves due to attenuation and energy dissipation along their path through the Earth's material. However, some seismic waves can also amplify in certain structures, leading to stronger shaking at specific locations.
What are waves in which the particles vibrate back and forth along the path that the wave travels called?
Compression waves (as opposed to transverse waves).
Why do seismic waves follow a curved path through earth?
Because the Earthis made of different composite materials which of the density in each composite material
How do seismograms recorded during earthquakes help scientists learn about the composition on earth?
Seismograms give information about the path of seismic waves and the speed of seismic waves. The speed of seismic waves depends on the density of the material the seismic wave is traveling in. We know, for example, that the core of Earth is liquid, because S waves do not travel through the center of Earth.
Why do tectonic plates produce seismic waves?
Tectonic plates are always trying to slowly move, but they more often than not find another tectonic plate in there path of motion. After enough pressure is built up between these plates trying to move past each other, a sudden "jerk" between them happens, and the restoring force from this "jerk" causes the waves we call "seismic waves" to happen.
What creates a seismic wave and how does it propagate through the Earth's layers?
Seismic waves are created by the sudden release of energy from earthquakes or explosions. These waves propagate through the Earth's layers by traveling in a curved path, reflecting and refracting as they encounter different densities and compositions of rock. The waves can travel through solid, liquid, and gaseous layers, with their speed and direction changing depending on the properties of the material they pass through.
How do sound waves travel through air and what factors affect their propagation?
Sound waves travel through air by causing particles in the air to vibrate back and forth in the direction of the wave. Factors that affect the propagation of sound waves include the medium through which the waves travel, temperature, humidity, and obstacles in the path of the waves.
How do surface waves differ form body waves?
Body waves: seismic waves that travel through the body of a medium Surface waves: seismic waves that travel along the surface of a medium and have a strong effect near the surface of the medium than it has in the interior
How sesmic waves travel through earth?
Seismic waves travel through the Earth due to the release of energy from seismic events like earthquakes. The waves propagate through different layers of the Earth, bending and changing speed as they encounter different materials. Their speed and path provide information about the Earth's interior structure.
What moves by giving particles a circular motion and are generated by energy that travels outward from the epicenter?
Waves, such as water waves or electromagnetic waves, can give particles a circular motion when generated by energy traveling outward from the epicenter. This circular motion is a result of the energy causing the particles to oscillate in a circular path, transmitting the wave's energy through the medium.
What do Diffraction and Reflection have in common?
Diffraction and reflection are both phenomena related to the interaction of waves with obstacles or surfaces. Diffraction involves the bending of waves around obstacles, while reflection involves the bouncing back of waves off a surface. Both processes illustrate how waves can be altered by encountering different mediums or boundaries in their path.
