Earth's Interior Quiz

What are the two main ways that scientists study the Earth's interior?

• By using telescopes and satellites

• By collecting rock samples and analyzing seismic waves

• By observing weather patterns and ocean currents

• By studying plant and animal life

Which COMPOSITIONAL layer of Earth has the greatest density?

• Mantle

• Outer Core

• Inner Core

• Crust

Which MECHANICAL layer of the Earth is made up of tectonic plates?

• Asthenosphere

• Lithosphere

• Mantle

• Core

Tags

NGSS.MS-ESS2-3

Which MECHANICAL layer of Earth is characterized by rock that is plastic, or soft enough to flow?

• Lithosphere

• Asthenosphere

• Outer Core

• Inner Core

What is a convection current and in which layer of Earth's interior do convection currents occur?

• Movement of tectonic plates in the Lithosphere

• Circulation of water in the Oceanic Crust

• Movement of heated material in the Mantle

• Flow of air in the Atmosphere

Which two layers of the Earth are responsible for generating Earth's magnetic field?

• Crust and Mantle

• Outer Core and Inner Core

• Lithosphere and Asthenosphere

• Oceanic Crust and Continental Crust

Which is the basic composition of Earth's core?

• The solid inner core is surrounded by a liquid outer core.

• The liquid inner core is surrounded by a solid outer core.

• Both the inner core and the outer core are solid

• Both the inner core and outer core are liquid

What is earth's core composed of?

• steel
• magnesium

• aluminum
• iron and nickel

Tags

NGSS.MS-PS1-1

In convection currents, ​ (a)   rock rises and ​ (b)   rock sinks

• hot
• colder
• hard
• soft
• crust
• atmosphere

Answer explanation

In the animation, HOT rock is in RED and rises

COLD rock is in blue and sinks

Which Layer of the Earth is the thinnest?

• Inner Core

• Outer Core

• Mantle

• Crust

Tags

NGSS.MS-ESS2-1