Earth Interior

What is the heat source for convection in the mantle?

• the Crust

• the Mantle

• the Core

Tags

NGSS.MS-ESS2-1

 Where do convection currents happen in the model we are studying?

• the Crust

• the Mantle

• the Core

When molten  material is heated in the mantle it becomes

• more dense

• less dense 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When molten  material is heated in the mantle the molecules

• expand (spread out)

• condense (shrink together) 

• stay the same

Tags

NGSS.MS-PS1-4

When molten  material is cooled in the mantle the molecules

• expand (spread out)

• condense (shrink together) 

• stay the same

Tags

NGSS.MS-PS1-4

Which layer of Earth is broken up into giant moving plates?

• Asthenosphere

• Lithosphere

• Inner core

• Outer core

Tags

NGSS.MS-ESS2-3

Huge pieces of lithosphere that slowly move on the asthenosphere and consist of the crust and the rigid, uppermost part of the mantle

• tectonic plates

• North American Plate

• Eurasian Plate

• African Plate

Which of these statements is true about Earth’s crust?

•   It includes the continents but not the ocean floor.

•   It is a layer of solid rock made up of the same type of rock throughout.

•   It is a changing, moving, surface with the same thickness everywhere.

•   It is a made of two separate types of crust with different densities.

Oceanic crust is mostly made of ___________ and continental crust is mostly made of ___________.

• Granite, basalt 

• Basalt, granite

• Basalt, shale

• Granite, slate

Which type of crust is the most dense? 

• Oceanic crust

• Continental Crust

• Lithospheric crust

• Asthenopsheric crust