Assessment 1
Direction: Read each statement and tell whether it is TRUE of FALSE. Use your
answer sheet.
1. P-waves are detected first because they are the fastest moving seismic waves.
2. S-waves disappear at the outer core because they cannot propagate through
liquids.
3. Compression waves move parallel to the direction of the waves, that is why p-
waves force the ground to move up and down.
4. P-waves can pass through solid, liquid and gas, they bend as they move through
different layers of the earth.
5. S-waves are detected by seismographs before the p-waves.
Direction: Read each statement and tell whether it is TRUE of FALSE. Use your
answer sheet.
1. P-waves are detected first because they are the fastest moving seismic waves.
2. S-waves disappear at the outer core because they cannot propagate through
liquids.
3. Compression waves move parallel to the direction of the waves, that is why p-
waves force the ground to move up and down.
4. P-waves can pass through solid, liquid and gas, they bend as they move through
different layers of the earth.
5. S-waves are detected by seismographs before the p-waves.
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true
false
true
true
false
Answer:
1.false
2.true
3.true
4.true
5.false