Waves Flashcards
What allows waves to move in all directions away from the focus?
vibrations
What type of wave do particles run parallel to the direction of the wave?
longitudinal wave
What type of wave does the most damage to Earth’s surface?
surface wave
What is a bending of a wave from medium to medium?
refraction
What type of wave do particles run perpendicular to the direction of the wave?
transverse wave
What is an instrument used to record earthquakes?
seismograph
How could you draw a primary wave?
straight arrrow
What is the point IN Earth where the earthquake starts?
focus
What is the bending of a wave around an obstacle?
diffraction
How many seismic stations are needed to find the location of the epicenter?
three
What do waves carry from place to place?
energy
What type of seismic wave is the fastest?
primary wave
What type of boundaries could have deeper earthquakes?
convergent boundaries
How could you draw a secondary wave?
wavy arrow
What is a bouncing of a wave off an object?
reflection