Seismic Waves

Which type of wave arrives first during an earthquake because it is the fastest?

• Primary (p-wave) waves

• Secondary (s-wave) waves

• Rayleigh Waves

• Love Waves

What is the fastest speed a s-wave can travel at? (hint look near 3000km deep on your graph)

• 10km/s

• 13km/s

• 2km/s

• 7km/s

Tags

NGSS.MS-PS4-1

A p-wave is moving the fastest right before it reaches...

• the outer core

• the inner core

• the asthenosphere

• the lithosphere

• the mesosphere

Tags

NGSS.MS-PS4-2

The inside of Earth is hot because....

• all of these

• there is leftover heat from bombardment of asteroids trapped in Earth insulated mantle

• there is frictional heat from the grinding of matter as it moves upward or sinks due to density

• there is radioactive decay from Uranium breaking up

Tags

NGSS.MS-ESS2-1

Lord Kelvin tried to find the age of the Earth using temperature but failed...badly because even though earth is cooling two sources are still generating heat. Which source of heat below is still being generated?

• heat from radioactive decay

• formation heat

• heat from gravity

• heat from pressure

P Waves travel through...

• Solids
• Liquids
• Both

Tags

NGSS.MS-PS4-2

S Waves travel through...

• Soilds
• Liquids
• Both

Tags

NGSS.MS-PS4-2

Which kind of waves travel through the Earth’s core?

• P waves
• S waves
• Both

Tags

NGSS.MS-PS4-1

We know there are two layers to the Earth’s core because...

• S Waves stop at the outer core

• P Waves bend as they reach inner core

• P Waves bend as they reach the outer core

• All of the above

Tags

NGSS.HS-ESS2-3

NGSS.HS-ESS2-1

What is happening to the temperature of Earth's insides over it's 4.5 billion year life?

• Increasing

• Decreasing

• staying the same

Tags

NGSS.HS-ESS2-3