DRRM QUIZ GROUP 5 _____7. What detects rising water levels in a flood warning system?
a) Receiver
NAME: ____________________________________________________ b) Transmitter
STEM 11- BERNADEZ DATE: ______________ c) Flood sensor
GRADE & SECTION: ____________________
d) Alarm
Write the correct in the space provided before the number.
_____8. What device measures sea level near the coast in case of tsunami?
_____ 1. What is the purpose of detecting the P-wave in an earthquake? a) GPS system
a) To stop the earthquake b) DART buoys
b) To calculate the earthquake magnitude c) Tidal gauge
c) To know when the S-wave will come d) Seismometer
d) To avoid damage
_____ 9. Where is the receiver placed in a flood warning system?
_____ 2. Which energy is detected first in an earthquake warning system? a) In the river
a) S-wave energy b) At the dam
b) Surface wave energy c) Near the house close to the river
c) P-wave energy d) At a station
d) Shockwave energy
_____10. What is the job of DART buoys?
_____ 3. What does the S-wave in an earthquake usually cause? a) Predict earthquakes
a) Minor shaking b) Measure air pressure
b) Major damage c) Detect and report tsunami threats
c) No effect d) Measure wind speed
d) Underground vibration
_____ 11. What is the job of the seismic monitoring station in a tsunami
_____ 4. What is the name of the machine in California that gives earthquake alerts?
warning system?
a) Shake Alert
a) Detect earthquake and tsunami
b) Quake Alert
b) Predict the weather
c) Wave Detector
c) Stop the tsunami
d) Seismic Alert
d) Send alerts
_____5. What is the main purpose of an Early Warning System (EWS)?
_____12. What does the Bottom Pressure Recorder (BPR) monitor in the
a) To know the weather
ocean?
b) To give warning to people to avoid harm or danger
a) Air pressure
c) To control natural disasters
b) Sea level
d) To inform only the government
c) Pressure changes at the sea floor
_____6. Which part of the flood warning system sends a warning to people? d) Water temperature
a) Flood sensor
_____13. Which part sends data from the ocean to the warning center?
b) Transmitter
a) Bottom Pressure Recorder
c) Receiver
b) Surface Buoy
d) Control station
c) Tidal gauge
2. What machine was created in California for early earthquake warnings?
d) Satellite
_____14. What is the most important thing an Early Warning System (EWS) _____________
should have?
a) High technology 3. What device warns houses when the water level rises in a flood?
b) Accurate weather prediction
c) Focus on saving people’s lives _____________
d) Government involvement
4. What communication system does the Surface Buoy use to send
_____ 15. Which part of the flood warning system informs downstream
communities? data to the warning center? _____________
a) Receiver
b) Sensor 5. What device measures pressure changes on the sea floor to
c) Mobile phone detect a tsunami? _____________
d) Control station
TRUE OR FALSE. ENUMERATION.
Write T if the statement is true. F if it is not. 1. The two components of DART buoys. Choose only one.
_____ 1. The purpose of DART buoys is to detect tsunamis.
2. Two devices used to detect sea-level changes for tsunamis:
_____ 2. Early Warning Systems only depend on technology.
_____ 3. P-wave energy causes the most damage during an earthquake.
_____ 4. Flood sensors are always placed on rooftops. 3. Two primary units in a flood warning system:
_____ 5. Bottom Pressure Recorder (BPR) sends data to the surface buoy.
IDENTIFICATION.
Identify each of the following.
1. What is the first energy detected during an earthquake that causes no
damage?
_____________
