Volcanoes And Tornoadoes Flashcards
(19 cards)
A vibration caused by an earthquake
Seismic wave
An instrument that detects and records vibrations
Seismometer
Seismograph
An instrument that detects and records earthquakes shows seismic waves as curvy lines along a graph
Bridges buildings and roads were wrecked because of the______________earthquake
San Francisco
_________________affected people by destroying 250 homes
Mount saint Helens
Earthquake affect the environment by knocking down trees and causing _______
Landslides
Volcanos affect the environment by_________the air
Polluting
Volcanoes affect the environment by animals losing their ________
Habitats
Volcanoes affect the environment by the hot _______can burn forests
Lava
_____________is a mountain that builds up around an opening in earths crust
Volcano
Volcanoes occur at openings in the earth’s _______
Crust
Volcanoes can affect plants by ________the plants
Killing
___________can help plants grow
Volcanic soil
_________is a sudden shaking of the earths crust
Earthquake
Sudden movement along a ________is what causes earthquakes
Fault
An ocean earthquake may cause a ______
Tsunami
__________is a line of weakness in rocks
Fault
Giving people advance notice of earthquakes and volcanoes can help keep them ____
Safe
Natural hazards have helped scientists understand more about the Earth’s ___
Structure