Earth's Formation

The most dense layer of the earth is found:

• in the center of the earth

• in the outer layer of the earth

• on the surface of the earth

• the rock layer under the ocean floor

Which layer is the most dense layer of the earth?

• mantle

• crust

• inner core

• outer core

According to planetary differentiation, earth's layer are sorted by:

• mass

• volume

• age

• density

Which layer of the earth is found immediately under the crust?

• inner core

• outer core

• mantle

• atmosphere

A material with a __________ density will be located ____________ of a planet.

• high; on the surface

• low; in the middle

• low; on the surface

• low; in the center

The theory that explains the formation of the solar system is called ____.

• Nebulis Theory
• Nebular Theory
• Big Bang Theory
• Big Nebulan Theory

Tags

NGSS.HS-ESS1-6

A nebula is:

• A cloud of ice
• A cloud of dust and gas
• A cloud of just gas
• A cloud of just dust

A nebula starts to collapse because of:

• A nearby star shining it's light
• A passing spaceship
• A passing comet
• Gravity

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

As a nebula collapses it also begins:

• Expand
• Rotate
• Shake
• Turn to ice

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

A nebula collapses down into a disk known called:

• A compact disk
• An irregular cloud
• An accretion disk
• An circular disk

Tags

NGSS.MS-ESS1-2