Earth's Interior and Rock Cycle

How are the materials of the Earths core different from those of the crust (in general)?

• They are harder

• They are more dense

• They are older

• They are darker in color

Which area of the Earth is least dense ?

• Outer core

• inner core

• mantle

• crust

Why is the core more dense than the mantle or crust?

• It has more aluminum

• it has more iron

• it has more tin

• it has more basalt

Which things increase as depth increases into the Earth?

• time

• Pressure

• temperature

• density

How do scientists know the Earth has layers?

• Drilling into the mantle

• Volcanoes

• Seismic waves data

• ocean waves

Tags

NGSS.MS-ESS2-1

What process is the pictures showing?

• comprehension

• mantle

• Earth's layers

• convection

• melting

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

What evidence exists that proves that Earth has layers?

• They can be seen from special locations on the Earth

• observations of earthquakes and buildings swaying

• seismic data from earthquakes on the other side of the Earth

• tsunami data from other countries and the impact on the land

• rock samples from deep layers

Tags

NGSS.MS-ESS1-4

What is the thickest layer of the Earth?

• the crust
• the mantle
• the outer core
• the inner core

What describes the outer core?

• solid
• liquid
• viscous
• gas

Tags

NGSS.MS-PS1-4

What layer is a semisolid and acts like a plastic?

• Lithosphere
• Mantle
• Asthenosphere
• crust