Natural Hazards

Lava flows

• a break in Earth's lithosphere where energy is released

• fast moving avalanches of hot gas, ash, and rock

• long streams of molten rock from volcanoes

• the energy released when rocks break because of stress

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

moment magnitude scale

• a digital instrument used to measure earthquake waves

• rates the amount of shaking from an earthquake

• a rating system that uses newer technologies to measure the total energy released by an earthquake

• a rating system that uses observations about damage to determine the strength of an earthquake

Tags

NGSS.MS-ESS3-2

Richter Magnitude Scale

• a digital instrument used to measure earthquake waves

• rates the amount of shaking from an earthquake

• a rating system that estimates the total energy released by an earthquake

• numerical rating system used to measure the amount of energy released during an earthquake

Tags

NGSS.MS-ESS3-2

modified Mercalli scale

• uses observations to rate the amount of shaking from an earthquake

• a digital instrument used to measure earthquake waves

• a rating system that estimates the total energy released by an earthquake

• numerical rating system used to measure the amount of energy released during an earthquake

liquefaction

• the measurement of ground motion or energy on the Richter magnitude scale

• occurs when wet soil acts more like a liquid during an earthquake

• the energy released when rocks break due to stress

• wet, sandy filled soil

Tags

NGSS.MS-ESS3-2

pyroclastic flow

• a break in Earth's lithosphere where energy is released

• fast moving avalanches of hot gas, ash, and rock

• long streams of molten rock from volcanoes

• water vapor, carbon dioxide and sulfur dioxide dissolved in magma

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-2

seismograph

• a digital instrument used to measure earthquake waves

• a digital instrument used to measure pyroclastic flows

• the measurement of ground motion or energy

• the amount of energy released when rocks break due to stress

Tags

NGSS.MS-ESS3-2

Which is a good estimate for how much more motion there is for a magnitude 6 earthquake than a magnitude 2

• 400

• 10,000

• 1,000

• 100,000

Tags

NGSS.MS-ESS3-2

Which is a good estimate for how much more motion there is for a magnitude 7 earthquake than a magnitude 5

• 100

• 10,000

• 1,000

• 200

Tags

NGSS.MS-PS3-5

What does the height of the lines on a seismograph indicate?

• an earthquake's magnitude on the Richter scale

• the amount of shaking from an earthquake

• an estimate of the total energy released by an earthquake

• a break in Earth's lithosphere

Tags

NGSS.MS-ESS3-2