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WorksheetsQuiz: Forces Within Earth
Total questions: 10
Worksheet time: 5mins
What is stress?
measure of the deformation of rock
force per unit area
speed seismic waves travel
point at which rocks fail and generate an earthquake
What is strain?
measure of the deformation of rocks
force per unit area
speed seismic waves travel
point at which rocks fail and generate an earthquake
What happens to a rock that undergoes elastic deformation once the stress is removed?
The rock undergoes plastic deformation.
The rock returns to its original shape.
The rock does not change shape.
The rock breaks to generate an earthquake.
Which type of fault is shown?
shear
strike-slip
normal
reverse
Which type of force caused this fault to form?
tension
compression
shear
divergent
In what direction is the movement in this type of fault?
side-to-side
vertical
horizontal
horizontal and vertical
Causes rock to move both up and down and from side to side.
surface waves
primary waves
secondary waves
radio waves
Causes rock to move at right angles to the direction in which the wave travels.
surface waves
primary waves
secondary waves
radio waves
Squeezes and pulls rock in the same direction as the wave travels.
surface waves
primary waves
secondary waves
radio waves
Cause the ground to move sideways and up and down like ocean waves.
surface waves
primary waves
secondary waves
radio waves
