Volcano & Earthquaks Flashcards
A vibration caused by an earthquake
Seismic wave
An instrument that detect and records vibrations
Seismometer
An instrument that detect and record earthquakes show seismic waves as curvy lines along a graph
Seismograph
Bridges building and roads were wrecked because of the ___________________earthquake
San Francisco
___________________________________________________affected people by destroying 250 homes
Mount saint Helen’s
Volcanoes occur at openings in earth ___________
Crust
Earthquakes affect the environment by knocking down trees causing
Landslide
Volcanoes affect the environment by _________the air
Polluting
Volcanoes affects the environment by losing their _________
Habitats
Volcanoes affect the environment by the hot_________ can burn forests
Lava
__________is a mountain that builds up around an opening in the earths crust
Volcano
Volcanoes occur at openings in the earths_________
Crust
Volcanoes can affect plants by_______The plant
Killing
______ can help plants grow
Volcanic soil
___________ is a sudden shaking of the earths crust
Earthquakes
Sudden movement Along a________ is what causes earthquakes
Fault
Giving people advance notice of earthquakes and volcanoes can help keep them_______
Safe
natural hazard, help scientist understand more about the earths
Structure