Science EXAM

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70 Terms

1

Weather

The condition of the atmosphere of a place within a short period of time.

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2

Climate

The typical weather in a region for a long period of time, averaged over 30 years or more.

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3

Meteorology

The science that deals with the atmosphere and atmospheric phenomena.

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4

PAG-ASA

Philippine Atmospheric, Geophysical and Astronomical Services Administration, which observes and reports atmospheric changes.

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5

Humidity

The amount of water vapor in the earth’s atmosphere.

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6

Precipitation

The product of a rapid condensation process, including snow, hail, sleet, fog, mist, and rain.

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7

Latitude

The main factor affecting global climate, determining temperature variations based on distance from the equator.

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8

Altitude

The height of a location above sea level, which affects temperature.

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9

Topography

The physical features of a place that influence its climate.

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10

Natural Climate Change Factors

Includes volcanic eruptions, ocean currents, Earth’s orbital changes, and solar variation.

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11

Greenhouse Effect

The warming of the lower atmosphere by trapping solar energy through greenhouse gases.

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12

Global Warming

The warming of the Earth’s surface due to increased concentration of greenhouse gases.

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13

Seawalls

Structures used to counteract waves impacting the shore.

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14

Coastal Erosion

The wearing away of land by the sea due to waves, tides, and currents.

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15

Aquifer

An underground layer of water-bearing rock.

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16

Submersion

The movement of coastal sediments from the visible portion of the beach to the submerged nearshore region.

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17

Saltwater Intrusion

The movement of saltwater into freshwater aquifers, often caused by storm surges.

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18

Mitigation

Actions taken to eliminate or reduce the long-term impact of climate change.

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19

Corrosian

The process where little rocks are eroded and dissolved by the action of waves.

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20

Erosion

The loss or displacement of land caused by natural forces like water, wind, or ice.

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21

Weather Front

A boundary separating two masses of air with different densities and temperatures.

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22

Storm Surge

An abnormal rise in sea level accompanying a hurricane or other intense storm.

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23

Drought

A prolonged period of abnormally low rainfall, leading to water shortages.

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24

Tsunami

A series of ocean waves caused by any large and sudden disturbance of the sea.

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25

Climate Change

Long-term alterations in temperature, precipitation, wind patterns, and other elements of the Earth's climate system.

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26

Carbon Footprint

The total amount of greenhouse gases emitted directly or indirectly by human activities.

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27

Urban Heat Island Effect

The phenomenon where urban areas become significantly warmer than their surrounding rural areas.

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28

Biomagnification

The process by which the concentration of toxins increases at each trophic level in a food chain.

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29

Albedo Effect

The measure of how much light that hits a surface is reflected without being absorbed.

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30

Fossil Fuels

Natural fuels such as coal or gas, formed in the geological past from the remains of living organisms.

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31

Atmospheric Pressure

The force exerted onto a surface by the weight of air above that surface in the atmosphere.

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32

Forecasting

The practice of predicting future weather conditions based on atmospheric data.

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33

Air Mass

A large body of air that has uniform temperature and humidity characteristics.

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34

Microclimate

A small area with unique weather conditions that differ from the larger surrounding area.

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35

Jet Stream

High-speed winds in the upper atmosphere that influence weather patterns.

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36

Thermal Inversion

A weather phenomenon where a layer of warm air traps cooler air near the ground.

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37

Fossil Fuels

Natural fuels such as coal or gas, formed in the geological past from the remains of living organisms.

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38

El Niño

A climate pattern characterized by the warming of sea surface temperatures in the central and eastern Pacific Ocean.

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39

La Niña

A climate pattern characterized by the cooling of sea surface temperatures in the central and eastern Pacific Ocean.

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40

Tropical Storm

A storm system characterized by strong winds and heavy rain, having a specific structure.

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41

Atmospheric Circulation

The large-scale movement of air that distributes heat and moisture around the Earth.

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42

Weather Patterns

Recurring sequences of weather conditions within a specific region over days to weeks.

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43

Climate Zones

Regions of the Earth classified by similar weather patterns and conditions over time.

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44

Thermal Energy

The total energy of all the particles in a substance, influencing temperature and weather.

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45

Barometric Pressure

Pressure exerted by the weight of air in the atmosphere, measured by a barometer.

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46

Cyclone

A system of winds rotating inward to an area of low atmospheric pressure, often bringing storms.

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47

Anticyclone

A weather system with high atmospheric pressure, usually associated with calm and clear weather.

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48

Rain Shadow Effect

A dry region on the leeward side of a mountain, caused by moist air rising and cooling.

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49

Stratosphere

The second layer of Earth's atmosphere, where the ozone layer is located and temperature increases with altitude.

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50

Troposphere

The lowest layer of Earth's atmosphere, where weather occurs and temperature decreases with altitude.

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51

Atmospheric Conditions

The state of the atmosphere at a given time, including temperature, humidity, wind speed, and pressure.

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52

Weather Radar

A technology used to detect and monitor precipitation and storms by sending out radio waves.

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53

Tropical Cyclone

A type of storm system characterized by a low-pressure center, organized thunderstorms, and strong winds, typically forming over warm ocean waters.

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54

Continental Climate

A climate type characterized by significant temperature variations between seasons, usually found in interior regions of continents.

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55

Marine Climate

A climate type characterized by mild temperatures and high humidity, usually found in coastal regions.

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56

Weather Advisory

A notification issued by meteorological services alerting the public to potential weather hazards.

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57

Heatwave

A prolonged period of excessively hot weather, which may be accompanied by high humidity.

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58

Cold Front

A boundary that forms when a cooler air mass pushes into a warmer air mass, often leading to precipitation.

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59

Warm Front

A boundary that forms when a warmer air mass rises over a cooler air mass, typically bringing light rain and warmer temperatures.

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60

Microclimate Effects

Localized climate variations caused by specific features in the landscape, such as buildings, vegetation, or bodies of water.

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61

Atmospheric Rivers

Narrow corridors of concentrated moisture in the atmosphere, often leading to heavy rainfall when they make landfall.

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62

Heat Index

A measure that combines air temperature and relative humidity to determine the apparent temperature felt by humans.

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63

Weather Balloon

A type of high-altitude balloon used to carry instruments aloft for the purpose of weather observation.

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64

Frontogenesis

The process by which a weather front is formed, typically due to temperature differentials.

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65

Cyclogenesis

The process of developing a cyclone, often linked to the interplay of atmospheric conditions.

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66

Omega Block

A weather pattern in which a high-pressure system persists over a region, leading to stable and dry weather.

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67

Funnel Cloud

A rotating, funnel-shaped cloud extending from the base of a thunderstorm, which may develop into a tornado.

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68

Radiational Cooling

Cooling of the Earth's surface at night due to the emission of infrared radiation, often leading to temperature drops.

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69

Cloud Seeding

A weather modification technique that involves dispersing substances into the atmosphere to encourage precipitation.

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70

Severe Weather Warning

A notification issued when severe weather conditions are imminent or already occurring, posing a risk to health and safety.

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