1. An instrument used to measure earthquake.
A. radar
B. seismograph
C. seismogram
D. satellite

2. What do you call the person who studies earthquake?
A. radiologist
B. seismologist
C. seismogramist
D. satellitist _

3. Earthquakes help scientists figure out what is ?
A.inside the earth
B. on top of the earth
C. layers of the earth
D. outside the earth _

4. Faults are found not only on land but also
A. under the sea
B. in ponds
C. in the mountain
D. in the river

5. An instrument used to measure an earthquake is
A. anemometer
B. barometer
C. seismograph
D. radar​