Geophysics Quiz

name and code

What is the primary focus of geophysics?

• Analyzing human behavior

• Studying the atmosphere

• Investigating outer space

• Exploring the Earth's physical properties

Tags

NGSS.HS-ESS2-1

NGSS.HS-ESS2-3

NGSS.HS-ESS2-2

Which of the following is NOT a common geophysical method?

• Seismic reflection

• Electrical resistivity measurements

• Gravity surveying

• Magnetic resonance imaging

What does seismic reflection primarily help to identify?

• Atmospheric conditions

• Ocean currents

• Subsurface structures

• Soil composition

Tags

NGSS.MS-PS4-2

Which method involves the deliberate introduction of energy into the subsurface?

• Remote sensing

• Active geophysical methods

• Passive geophysical methods

• Geological mapping

Tags

NGSS.HS-PS2-5

What is the purpose of electrical resistivity tomography (ERT)?

• To analyze atmospheric pressure

• To assess groundwater resources

• To map ocean currents

• To measure seismic wave velocities

Tags

NGSS.HS-ESS2-5

In seismic refraction, what principle governs the bending of seismic waves?

• Fermat's Principle

• Snell's Law

• Archimedes' Principle

• Newton's Law

Tags

NGSS.HS-PS4-1

What is the role of geophones in seismic surveys?

• To measure atmospheric pressure

• To generate seismic waves

• To record seismic wave arrivals

• To analyze soil samples

Which of the following best describes passive geophysical methods?

• They rely on natural geophysical signals

• They are used for mineral exploration

• They require external energy sources

• They are primarily for oil drilling

What is the significance of the crossover distance in seismic surveys?

• It marks where refracted waves arrive before direct waves

• It shows the location of mineral deposits

• It determines the velocity of seismic waves

• It indicates the depth of bedrock