ES Dynamic Earth

Which layer of Earth has the GREATEST density?

• crust
• mantle
• outer core
• inner core

Heat transfer within a fluid (like the mantle) takes place by...

• convection currents
• radiation
• conduction
• density

Using data from seismic waves, geologists have learned that Earth's interior is made up of several

• continents
• layers
• ridges
• trenches

Earth's magnetic field results from movements in the

• mantle
• core

• asthenosphere

• crust

Compared to rock in Earth's crust, rocks in the mantle are more

• dense
• mineral-rich
• granular
• porous

If we compare the temperature and pressure of Earth's mantle to the core, what differences can we expect as we move downward into Earth?

• Both temperature and pressure increase.
• Both temperature and pressure decrease.
• Temperature decreases and pressure increases.
• Temperature increases and pressure decreases.

Tags

NGSS.HS-ESS2-3

Which layer of Earth is LIQUID?

• upper mantle
• lower mantle
• outer core
• inner core

Earth's oceanic crust is ______ than continental crust.

• thinner but denser
• thicker and denser
• thicker but less dense
• thinner and less dense

Tags

NGSS.HS-ESS2-1

Which layer of Earth is made up partly of crust and partly of mantle material?

• asthenosphere
• crust
• lithosphere
• mantle

Geologists' main evidence about the structure of Earth's interior comes from

• temperature measurements in deep mines
• observations of other planets
• exploration of caves
• rock samples and seismic waves

Tags

NGSS.HS-ESS2-3