Earth's structure

what are earth's three main layers?

• Core,mantle,and surface

• core,mantle and crust

• inner core,outer core ,and mantle

• upper mantle,lower mantle and crust

Tags

NGSS.MS-ESS2-3

what do earthquake waves have in common with other waves?

• They travel at the same speed as light waves

• They carry the same amount of energy as sound waves

• they bend when they travel through different materials

• They have the same wavelength as radio waves

Tags

NGSS.MS-PS4-2

Where is the earth's crust the thickest?

• 
• 
• 
• 

Which word best characterizes the lower mantle?

• Scalding

• cool

• molten

• Lukewarm

Tags

NGSS.MS-PS1-4

How deep would you have to drill to reach the center of the earth?

• About 60,000 kilometers

• About 600,000 kilometers

• About 600 kilometres

• About 6,000 kilometers

What effect does the spinning of the earth's core have?

• It creates gravity

• It creates matter

• It creates mass

• It creates the earth's magnetic field

Tags

NGSS.HS-ESS2-3

Which of the following statements about the earth's inner core is true?

• It's mostly made made of iron

• It's mostly made of nickel

• It's mostly made of cadmium

• It's mostly mae of magnesium

Tags

NGSS.MS-PS1-1

What is the only entirely liquid layer of the earth?

• The upper mantle

• The outer core

• The inner core

• The lower mantle

Which of the following statements is an opinion about the mantle?

• It makes up the bulk of the earth's mass

• Heat churns through it

• It contains iron, silicon, magnesium, and oxygen

• It is the most important layer of the earth

If the earth's mantle were completely solid, ? Plates could not move around.

what is the ? stand for?

• Tectonic

• Technical

• Titanic

• Agnostic

Tags

NGSS.MS-ESS2-3