Waves Flashcards

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1
Q

What allows waves to move in all directions away from the focus?

A

vibrations

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2
Q

What type of wave do particles run parallel to the direction of the wave?

A

longitudinal wave

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3
Q

What type of wave does the most damage to Earth’s surface?

A

surface wave

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4
Q

What is a bending of a wave from medium to medium?

A

refraction

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5
Q

What type of wave do particles run perpendicular to the direction of the wave?

A

transverse wave

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6
Q

What is an instrument used to record earthquakes?

A

seismograph

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7
Q

How could you draw a primary wave?

A

straight arrrow

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8
Q

What is the point IN Earth where the earthquake starts?

A

focus

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9
Q

What is the bending of a wave around an obstacle?

A

diffraction

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10
Q

How many seismic stations are needed to find the location of the epicenter?

A

three

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11
Q

What do waves carry from place to place?

A

energy

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12
Q

What type of seismic wave is the fastest?

A

primary wave

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13
Q

What type of boundaries could have deeper earthquakes?

A

convergent boundaries

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14
Q

How could you draw a secondary wave?

A

wavy arrow

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15
Q

What is a bouncing of a wave off an object?

A

reflection

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16
Q

What type of wave can travel through all layers of the Earth?

A

primary wave

17
Q

What type of wave cannot travel through the inner core?

A

secondary wave

18
Q

What is the point ON Earth where the earthquake starts?

A

epicenter

19
Q

What is the difference in arrival time of the P wave and S wave?

A

lag time