Earth's Layers

What phenomenon helps scientists learn about Earth's interior?

• Volcanic eruptions

• Tsunamis

• Solar flares

• Earthquakes

Tags

NGSS.HS-ESS2-3

What prevents humans from sinking into the ground?

• The gravitational pull of the Earth

• The density of the atmosphere

• The density of humans compared to the ground

• The magnetic field of the Earth

Tags

NGSS.HS-PS2-4

What element is considered the most stable produced outside of a supernova?

• Iron

• Gold

• Nickel

• Carbon

Why can't light, volatile elements condense in the inner solar system?

• Due to gravitational pull

• Because of high temperatures

• Because of magnetic fields

• Due to low temperatures

Tags

NGSS.HS-PS3-2

Why are the inner planets of our solar system dense and rocky?

• Because of their large atmospheres

• Because of their magnetic fields

• Due to their distance from the sun

• Due to the presence of water

What causes the heaviest materials to work their way to the core of the Earth?

• Magnetic fields

• Atmospheric pressure

• Density differentiation

• Solar radiation

Tags

NGSS.HS-ESS2-3

What is the likely state of the iron in Earth's inner core?

• Plasma

• Gaseous

• Solid

• Liquid

What evidence suggests the outer core of the Earth is liquid?

• Surface temperature measurements

• Magnetic field analysis

• Seismic wave behavior

• Direct observation

How does Earth's magnetic field protect its atmosphere?

• By reflecting solar wind

• By absorbing solar radiation

• By cooling the atmosphere

• By creating a barrier against solar wind

What is the consequence of Earth's cooling over time?

• The atmosphere thickens

• The magnetic field weakens

• Earth's rotation speeds up

• More of the outer core turns solid

Tags

NGSS.HS-ESS2-3