23 Questions
What type of waves do Love and Rayleigh refer to?
Surface waves
Which physicist is associated with Rayleigh waves?
Lord Rayleigh
What defines a biological hazard?
Pathogenic microorganisms and bioactive substances
What instrument is used to measure relative humidity?
Hygrometer
Which prevailing wind system is associated with the Northeast Monsoon in the Philippines?
Amihan
What is the primary effect of an earthquake?
Ground shaking
Which of the following is an example of an environmental hazard?
Deforestation
Which hazard is related to geological processes?
Earthquakes
What type of hazard is associated with toxic wastes and chemical spills?
Technological Hazard
Which weather type is characterized by the presence of clouds and no rain?
Fine weather
What characterizes a hydrometeorological hazard?
Drought
What is the primary function of PHIVOLCS in the Philippines?
Volcanology and seismology
What is the primary objective of Republic Act No. 10121, also known as the Philippine Disaster Risk Reduction and Management Act of 2010 (DRRM Act)?
Prioritizing mainstreaming of disaster risk reduction in the school system
What is the main difference between magnitude and intensity when measuring earthquakes?
Magnitude measures the energy released, while intensity measures the damage produced.
What is the main focus of the United Nations Office for Disaster Risk Reduction?
Mitigating the impact of hazards on communities
Which scale measures the intensity of an earthquake based on the damage produced and people's reactions?
Mercalli Intensity Scale
What type of waves are Love Wave and Rayleigh Wave classified as?
Surface waves
Which plate boundary occurs when two plates move away from each other?
Divergent Plate Boundary
What is the primary cause of an aftershock following a significant earthquake?
Re-adjustment of stress in the Earth's crust
Which of the following DepEd Orders reiterates related implementing guidelines on Climate Change Adaptation and Disaster Risk Reduction (CCADRR) in school levels?
DepEd Order No. 82, s. 2010
Which of the following best describes the term 'DISASTER'?
A serious disruption of the functioning of a community involving widespread impacts
Which DepEd Order focuses on promoting Family Earthquake Preparedness?
DepEd Order 27 s. 2015
What does the term 'HAZARD' refer to in the context provided?
A process, phenomenon, or human activity that may cause loss or injury
Study Notes
Types of Weather
- Fine weather: clouds and no rain
- Fair weather: clouds may produce rain, but most of the day is sunny
- Rainy weather: rain occurs during most of the day
- Stormy weather: characterized by rain and strong winds
Weather Instruments
- Barometer: measures atmospheric pressure
- Thermometer: measures temperature
- Hygrometer: measures relative humidity
- Anemometer or wind vane: measures wind direction and speed
- Rain gauge: measures precipitation
- Observation: involves studying clouds, shape, and elevation
Weather Disturbances
- El Niño (El Niño de Navidad or Little Boy)
- La Niña
- Prevailing wind systems: Monsoons (Amihan and Habagat) and Easterlies
Disaster Readiness and Risk Reduction
- Hazard: a process, phenomenon, or human activity that may cause loss of life, injury, or other health impacts, property damage, social and economic disruption, or environmental degradation
- Disaster: a serious disruption of the functioning of a community or society involving widespread human, material, economic, or environmental losses and impacts that exceed the ability of the affected community or society to cope using its own resources
- Risk: the likelihood or possibility that an area (or section of population) will be negatively affected by a hazard
Hazard Types
- Biological: organic origin or conveyed by biological vectors, including pathogenic microorganisms, toxins, and bioactive substances
- Environmental: soil degradation, deforestation, loss of biodiversity, salinization, and sea-level rise
- Geological: earthquakes, volcanic activity and emissions, and related geophysical processes
- Hydrometeorological: tropical cyclones, floods, drought, heatwaves, and cold spells
- Technological: industrial pollution, nuclear radiation, toxic wastes, dam failures, transport accidents, factory explosions, and chemical spills
Earthquakes
- Types of waves: Body waves (P wave and S wave) and Surface waves (Love Wave and Rayleigh Wave)
- Magnitude: measures the energy released during an earthquake (Richter Scale)
- Intensity: measures the damage produced and the reaction of people (Mercalli Intensity Scale)
- Foreshock, Main shock, and Aftershock
Philippines-specific Information
- Annual average rainfall: 965 - 4,064 mm
- Lowest precipitation levels: Eastern Samar, Surigao, Baguio, and the southern part of Cotabato
- Annual average temperature: 27°C
- PAGASA: Philippine Atmospheric, Geophysical, and Astronomical Services Administration
- PHIVOLCS: Philippine Institute of Volcanology and Seismology
This quiz covers the definitions of hazard, disaster, and risk in the context of disaster readiness and risk reduction. Learn about different types of hazards and their examples as outlined by the United Nations Office for Disaster Risk Reduction.
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