6A

Question 1

___________ are a network of motion sensors built into computers that measure changes in speed and shakes.

Answer 1

Accelerometers

Question 2

An __________ is a series of low frequency shock waves, somewhat like sound waves, traveling through the earth.

Answer 2

Earthquake

Question 3

Earthquakes often happen in the same area as ________.

Answer 3

Volcanoes

Question 4

Earthquakes are linked to _______ tectonics

Answer 4

Plate

Question 5

A _______ is a force exerted inside a material.

Answer 5

Stress

Question 6

What are the 3 kinds of stress?

Answer 6

Compression, tension, and shear

Question 7

Spreading zones along some plate margins are called ________ boundaries.

Answer 7

Divergent

Question 8

Zones where a thinner oceanic plate slides under a thicker continental plates are called __________ boundaries

Answer 8

Convergent

Question 9

Places where plates slide past each other in opposite directions along long cracks are called ________ boundaries

Answer 9

Transform

Question 10

Any change in shape of a solid under stress is called _______.

Answer 10

Strain

Question 11

A __________ is an instrument that measures earth waves.

Answer 11

Seismometer