Internal dynamics Earth

What do seismic discontinuities represent in the Earth's interior?

• Magnetic anomalies
• Changes in seismic wave speed
• Areas of seismic activity
• Volcanic eruptions

Which type of seismic waves vibrate in a direction perpendicular to the wave propagation?

• L waves
• P waves
• R waves
• S waves

What do seismic waves reveal about the Earth's interior?

• Chemical composition
• Wave frequency
• Temperature changes
• Wave amplitude

Which model categorizes the Earth into layers based on its physical state and mechanical properties?

• Dynamic model
• Seismic model
• Magnetic model
• Geochemical model

What is the deepest depth reached by a survey to study the Earth's interior?

• 12,262 meters
• 5,000 meters
• 6,371 km
• 10,000 km

Which type of seismic waves are the fastest and can travel through both solid and liquid media?

• R waves
• P waves
• L waves
• S waves

Which model divides the Earth into layers based on its chemical composition?

• Geochemical model
• Magnetic model
• Dynamic model
• Seismic model

What do seismic discontinuities indicate about the Earth's interior?

• Magnetic anomalies
• Volcanic eruptions
• Changes in seismic wave speed
• Areas of seismic activity

Which type of seismic waves are only transmitted through solid media?

• P waves
• S waves
• L waves
• R waves

What is the main indirect study method used to know the Earth's interior?

• Magnetic field observation
• Meteorite analysis
• Density analysis
• Seismic method