Coffin of web search on Earth's Layers/Forces/Theories

What is the difference between compositional and Physical Layers of the Earth?

• Compositional layers are based on chemical composition, while physical layers are based on physical properties.

• Compositional layers are based on physical properties, while physical layers are based on chemical composition.

• Both compositional and physical layers are based on chemical composition.

• Both compositional and physical layers are based on physical properties.

Which of the following lists the five Physical Layers of the Earth?

• Crust, Mantle, Outer Core, Inner Core, Lithosphere

• Lithosphere, Asthenosphere, Mesosphere, Outer Core, Inner Core

• Crust, Lithosphere, Asthenosphere, Mesosphere, Core

• Mantle, Outer Core, Inner Core, Lithosphere, Crust

How is seismic wave data used to infer the composition of Earth’s interior based on the speed and refraction of a wave?

• By measuring the speed and refraction of seismic waves, scientists can determine the density and state of materials inside Earth.

• Seismic waves are used to map the surface features of Earth.

• The speed of seismic waves is constant throughout Earth's interior.

• Seismic wave data is not useful for understanding Earth's interior.

Tags

NGSS.MS-PS4-2

All waves are a type of _______________ that carry energy from one location to another.

(a)  

• vibration
• crest
• trough
• equilibrium
• convection

Tags

NGSS.MS-PS4-1

How does heat transfer by means of convection currents in the mantle?

• By conduction through solid materials

• By radiation through empty space

• By the movement of heated material

• By chemical reactions within the mantle

Tags

NGSS.MS-PS3-4

How do convection currents in the mantle interact with the crust?

• They cause the crust to sink.

• They create mountain ranges.

• They drive plate tectonics.

• They have no effect on the crust.

Tags

NGSS.MS-ESS2-1

What is gravity’s role as it relates to separation of the Earth’s layers?

• Gravity causes the denser materials to sink towards the center, forming the core, while less dense materials rise to form the crust and mantle.

• Gravity has no effect on the separation of Earth's layers.

• Gravity causes all materials to mix evenly throughout the Earth.

• Gravity only affects the atmosphere and not the solid layers of the Earth.

Which physical layer of the Earth is the most dense, has the highest temperature, and the most pressure?

• Crust

• Mantle

• Outer Core

• Inner Core

What is Earth's Magnetic Field and its application to modern technology?

• A natural phenomenon that protects Earth from solar winds and is used in compasses and navigation systems.

• A type of gravitational field that affects the tides and is used in timekeeping devices.

• A form of radiation that heats the Earth's core and is used in geothermal energy.

• A type of atmospheric pressure that influences weather patterns and is used in meteorology.

What is circulating in the Earth that causes the Earth to have a magnetic field?

• Molten iron in the outer core

• Water in the oceans

• Air in the atmosphere

• Lava in the mantle