Weather and Seasons
Kosakata Dasar Bahasa Inggris - Bagian 3 · 50 pelajaran
What does “Sunshine” mean?
Correct Answer: A
"Sunshine" literally means light and heat coming from the sun. The sun is the source of sunshine, which provides warmth and brightness to Earth.
Why B is wrong:
Option B describes darkness and cold from the moon, which is the opposite of sunshine. The moon doesn't produce sunshine—it only reflects the sun's light. Darkness and cold are not what sunshine means.
What does “Albedo” mean?
Correct Answer (A): Albedo means the *proportion of light that is reflected* by a surface. Think of it like a mirror—albedo measures how much sunlight bounces back into space from planets or moons.
Why B is wrong: Option B says the light is *absorbed*, not reflected. That's the opposite of albedo. Absorption describes how much energy a surface takes in and converts to heat, which is different from albedo.
What does “Convection” mean?
Why A is correct:
Convection is the movement of heat through fluids (liquids and gases) caused by density differences. Hot material is less dense so it rises, while cold material is denser so it sinks—this circular movement transfers heat. Option A describes this process perfectly.
Why B is wrong:
Option B says there is a *lack* of movement when materials have the same density at varying temperatures. This is backwards—convection requires *movement*, and it only happens when density differences exist. If density were uniform, there'd be no convection at all.
What does “Deciduous” mean?
Correct Answer: A. Membuang daunnya setiap tahun
"Deciduous" means trees that shed (drop) their leaves seasonally, typically in autumn. Examples include oak, maple, and birch trees—they lose all their leaves each year and grow new ones in spring.
Why B is wrong:
Option B describes trees that *keep* their leaves year-round, which are called "evergreen" trees (like pine or spruce). This is the opposite of deciduous.
What does “Halcyon” mean?
Correct Answer (A): "Halcyon" refers to a peaceful, happy time in the past—often used in phrases like "halcyon days." It comes from Greek mythology about a legendary bird associated with calm seas.
Why B is wrong: This describes the opposite meaning. "Halcyon" is positive and peaceful, not tragic or turbulent. If you wanted to describe a difficult past period, you'd use words like "tumultuous" or "tragic," not "halcyon."
What does “Thermal” mean?
Correct Answer: A. Berkaitan dengan panas (Related to heat)
"Thermal" comes from the word "therm," which means heat. It describes anything involving or produced by heat—like thermal energy, thermal imaging, or thermal protection.
Why B is wrong:
"Dingin" means cold, which is the opposite of thermal. While cold and heat are related concepts, thermal specifically refers to heat, not the absence of it.
What does “Isotach” mean?
# Isotach Explanation
Correct Answer (A): An isotach is a line on a map connecting points with the same wind speed. The prefix "iso-" means "equal" (like in isoterm or isobar), so it literally means "equal speed."
Why B is wrong: This describes points with *different* wind speeds, which is the opposite of what an isotach does. If points had different speeds, they wouldn't be connected by a single isotach line—they'd need separate lines for each speed value.
What does “Jet Streak” mean?
Correct Answer (A): A jet streak is a narrow region of *very fast* wind speeds within a jet stream—it's like a "speed boost" zone. The word "streak" refers to this concentrated band of high-velocity air.
Why B is wrong: It says "low-speed wind flow," but that's the opposite of what a jet streak is. Jet streaks are defined by their *high* speeds, not low speeds. A slow area in a jet stream would just be called a weaker section, not a "streak."
What does “Katabatic” mean?
Correct answer (A): "Katabatic" comes from Greek "kata-" meaning "down," so it describes wind flowing *down* a slope or hill. Cold, dense air naturally sinks and accelerates downhill, creating these powerful downslope winds.
Why B is wrong: That describes *anabatic* wind, which moves *up* a slope. "Ana-" means "up" in Greek—the opposite direction. These are complementary wind types.
What does “Lahar” mean?
A is correct: A lahar is a destructive mudflow that occurs on volcanic slopes. It forms when volcanic material mixes with water (from melting snow, heavy rain, or crater lakes) and rushes downhill at high speed, destroying everything in its path.
B is wrong: While lahars do involve mudflow, they are inherently *destructive*, not constructive. Also, lahars occur on *volcanic slopes*, not flat valley terrain. Lahars are specific hazards tied to volcanoes and mountainous terrain.
What does “Virga” mean?
# Explanation
Correct Answer (A): Virga is precipitation that falls from clouds but evaporates before reaching the ground. The key features are: rain appears to hang *below* the cloud and never makes it to the surface—this is the defining characteristic of virga.
Why B is wrong: This describes normal rain that actually reaches the ground. Virga specifically means the precipitation *doesn't* reach the surface, so saying it "sepenuhnya mencapai tanah" (completely reaches the ground) contradicts the definition. Also, virga hangs *below* clouds, not above them.
What does “Polar Air” mean?
# Explanation
Correct Answer (A): Polar air originates from polar regions (near the North and South Poles), where extremely cold temperatures create cold, dry air masses. This is the defining characteristic of polar air.
Why B is wrong: Option B describes tropical air, not polar air. Tropical air masses form near the equator and are hot and humid due to warm ocean surfaces and intense solar heating in that region. This is the opposite of polar conditions.
What does “Tropical Air” mean?
# Tropical Air Explanation
Correct Answer (A): Tropical air masses originate near the equator where it's hot and sunny, so they naturally become warm and humid. This matches the definition of tropical air.
Why B is wrong: That describes *polar air*, which forms over cold polar regions and is cold and dry—the complete opposite of tropical air. Tropical air and polar air are two different air mass types.
What does “Weather Pattern” mean?
Correct Answer (A): A weather pattern is about how weather *changes and varies* over a long period of time in a specific area. This captures the essence of patterns—recurring trends you can only see over months or years (like "winters are cold here" or "monsoon season brings rain").
Why B is wrong:
- It says "consistency" (kekonsistenan), but weather patterns show *variation*, not consistency
- It specifies a "short timeframe," but patterns need long-term observation to be identified—short-term conditions are just day-to-day weather, not patterns
What does “Ice Cap” mean?
Correct Answer (A): An ice cap is literally a large covering of ice that sits on top of land in polar regions (like Antarctica or Greenland). The word "cap" means it covers the top/surface of an area.
Why B is wrong: This describes an area *without* ice (a desert), which is the opposite of what an ice cap is. Ice caps are defined by having lots of ice, not by being ice-free.
What does “Anticyclone” mean?
# Anticyclone Explanation
Why A is correct:
An anticyclone is defined by high atmospheric pressure at its center with air circulating slowly outward. In the Northern Hemisphere, this circulation moves clockwise; in the Southern Hemisphere, it moves counterclockwise. This matches option A exactly.
Why B is wrong:
Option B describes a cyclone (low pressure system), not an anticyclone. It has the pressure direction reversed (low instead of high) and describes faster, counterclockwise circulation in the Northern Hemisphere—the opposite of an anticyclone's behavior.
What does “Isopleth” mean?
# Why Option A is Correct
An isopleth is a line connecting points of *equal value* on a map. Think of a contour line on a topographic map—all points along it have the same elevation. This definition matches Option A perfectly.
# Why Option B is Wrong
Option B describes a line that *separates different values*, which is the opposite of what an isopleth does. An isopleth brings together points with the *same* value, not divides points with different values. This is a common misconception—it confuses the purpose of the line entirely.
What does “Orographic” mean?
Correct Answer (A): "Orographic" literally comes from Greek words meaning "mountain writing/description." It refers to the physical features—especially elevation and slope—of mountains and similar terrain. This is why we use it in terms like "orographic lift" (when air rises over mountains).
Why B is wrong: That describes bathymetry (ocean depth features), not orography. Orographic specifically deals with land topography, not water depth.
What does “Sublimation” mean?
Correct Answer (A): This is the definition of sublimation—a solid transforms directly into a gas, *skipping the liquid phase entirely*. Real-world example: dry ice turning into CO₂ gas without melting first.
Why B is wrong: Option B describes the *normal* process of melting then evaporating (solid → liquid → gas). This is NOT sublimation because the substance passes through a liquid stage, which sublimation specifically avoids.
What does “Supercooling” mean?
Correct Answer (A): Supercooling is when a liquid is cooled below its freezing point but remains liquid instead of turning into a solid. This happens because the liquid lacks particles (like dust) that would normally trigger freezing.
Why B is wrong: Option B describes superheating, which is the opposite process—heating a liquid above its boiling point without it becoming gas. That's a different phenomenon entirely.
What does “Zephyr” mean?
Correct Answer: A - Angin sepoi-sepoi yang lembut (A gentle, soft breeze)
Zephyr comes from Greek mythology and traditionally means a soft, mild westerly wind—hence "gentle breeze" is the accurate definition.
Why B is wrong: A zephyr is the opposite of a violent storm. Badai angin (strong windstorm) describes harsh, powerful winds, which contradicts the word's meaning of something light and pleasant.
What does “Glaze” mean?
Correct Answer (A): "Glaze" refers to a shiny coating or finish applied to a surface, commonly used in ceramics and pottery. This is the standard definition—a glaze creates a smooth, glossy layer that seals and protects the material.
Why B is wrong: Option B describes the *opposite* of glaze. A dull, unpolished surface is the lack of glaze, not what glaze is. Glaze specifically creates shine and smoothness, not dullness.
What does “Frostwork” mean?
Correct Answer: A. Pola es halus dan berbuli (Fine, feathery ice patterns)
Frostwork refers to the delicate, feathery crystalline patterns that form when frost deposits on surfaces—like the beautiful ice designs you see on windows in winter. These patterns are characteristically fine and hair-like, which matches the description "halus dan berbulu" (smooth/fine and hairy/feathery).
Why B is wrong:
"Blok es besar dan padat" means large, solid ice blocks. Frostwork is the opposite—it's made of tiny, delicate crystals arranged in intricate patterns, not large dense chunks.
What does “Hail” mean?
Correct Answer (A): "Hail" refers to frozen raindrops that fall as hard pellets or balls of ice. This is the meteorological definition—hail forms when water freezes in cold upper atmosphere layers.
Why B is wrong: This describes regular rain (liquid water droplets), not hail. Hail is specifically the *frozen* version, which is much harder and more damaging than soft rain.
What does “Squall Line” mean?
Correct Answer (A): A squall line is a row of severe thunderstorms that forms along or ahead of a cold front. This is the meteorological definition—these intense storm systems move quickly and bring dangerous weather like heavy rain, strong winds, and hail.
Why B is wrong: This describes a calm weather pattern associated with high pressure systems, which is the opposite of a squall line. Squall lines are violent and chaotic, not calm and orderly.
What does “Rime” mean?
Why A is correct:
Rime is a specific type of ice that forms when supercooled water droplets in fog freeze instantly upon hitting cold surfaces. This definition accurately captures what rime is—a solid ice accumulation.
Why B is wrong:
Option B describes dew (embun), not rime. Dew is liquid water that condenses on surfaces in humid conditions, whereas rime is frozen ice. The key difference is that rime involves freezing (membeku), not just condensation (mengembun).
What does “Hoar Frost” mean?
# Hoar Frost Explanation
Correct Answer (A): Hoar frost forms when water vapor in cold air transforms directly into ice crystals (without becoming liquid first) on surfaces like grass, branches, and leaves. This happens in freezing conditions, which is why "crystal ice deposits" is the right description.
Why B is wrong: Option B describes dew or liquid water droplets, which form in warm or mild conditions. Hoar frost is specifically *crystalline ice*, not liquid water, so "tetesan cair" (liquid droplets) is incorrect.
What does “Heat Dome” mean?
# Explanation
A is correct because a heat dome is literally a dome-shaped area of high atmospheric pressure that traps hot air underneath, like a lid on a pot. High pressure systems sink and warm, creating dangerously hot conditions.
B is wrong because it describes the opposite weather pattern—low pressure systems bring cool air, not heat. This would be more like a cold front or low-pressure system, not a heat dome.
What does “Tropical Wave” mean?
Why A is correct:
A tropical wave is a low-pressure system that moves through tropical regions and typically brings increased rainfall. This matches the meteorological definition—it's a trough of low pressure that forms in trade wind zones and often triggers thunderstorms and heavy rain.
Why B is wrong:
B describes a high-pressure system in the Arctic, which is the opposite in every way. Tropical waves are low-pressure (not high), move through tropics (not the Arctic), and bring *more* rain (not less). This describes a completely different weather phenomenon.
What does “Delta Breeze” mean?
Correct Answer (A):
The Delta Breeze is a cooling wind that flows from the San Francisco Bay area inland during hot summer afternoons. It brings relief by moving cool ocean air eastward into the hot interior valleys.
Why B is wrong:
Option B describes the opposite direction and effect—a heating wind from inland toward the bay, which is not what Delta Breeze is. The Delta Breeze specifically cools inland areas, not heats them.
What does “Anemometer” mean?
Correct Answer (A): An anemometer measures wind speed and direction. The word comes from "anemo-" (wind) + "-meter" (measuring device), so it literally means "wind measurer."
Why B is wrong: While it describes a valid measuring tool, that device is called a current meter or flow meter, not an anemometer. Anemometers are specifically designed for air/wind, not water.
What does “Arctic Blast” mean?
Correct Answer (A): "Arctic Blast" literally combines "Arctic" (the cold polar region) with "blast" (sudden rush of air). It describes a sudden, extremely cold wind event that originates from or is associated with the Arctic region—this is the actual meteorological term used by weather forecasters.
Why B is wrong: It describes a hot wind from tropical regions, which is the opposite of what "Arctic Blast" means. The word "Arctic" itself refers to the cold north polar region, not tropical areas.
What does “Black Ice” mean?
Correct Answer: A
Black ice is a thin, transparent layer of ice on roads that's hard to see, making surfaces dangerously slippery. It appears "black" because you can see the dark road underneath through the clear ice, not because it's actually black. This invisible coating causes many accidents because drivers don't notice it until they hit it.
Why B is wrong:
Option B describes a layer of sand that makes roads *less* slippery, which is the opposite of black ice. Black ice makes roads MORE slippery and dangerous, not safer.
What does “El Nino” mean?
Correct Answer (A): "El Niño" literally means "The Boy Child" in Spanish, referring to the Christ Child. It's called this because the warm ocean current typically appears around Christmas. This warm current in the Pacific Ocean significantly disrupts global weather patterns, causing droughts, floods, and other extreme weather events worldwide.
Why B is wrong: El Niño is a *warm* current, not cold. Additionally, it *disrupts* weather patterns rather than stabilizing them—it's actually known for causing major climate instability and weather extremes globally.
What does “Heat Wave” mean?
Correct Answer (A): A heat wave is an extended period of abnormally high temperatures, typically during summer months. This causes dangerous heat conditions that can affect health and the environment.
Why B is wrong: Option B describes the opposite—abnormally low temperatures during winter, which is called a "cold wave" or "cold snap," not a heat wave.
What does “Indian Summer” mean?
Correct Answer: A
An Indian Summer is a warm, sunny period that unexpectedly occurs in autumn (fall), after the weather has already turned cold. This is the accurate definition—it specifically refers to *warm* weather in the *fall*.
Why B is wrong:
Option B describes unusual cold weather in spring, which is the opposite of what Indian Summer means. Indian Summer is always about warmth, not cold, and it happens in autumn, not spring.
What does “La Nina” mean?
Correct Answer (A): "La Niña" literally means "the girl" in Spanish, but in meteorology it refers to a cold ocean current in the Pacific that significantly affects global weather patterns—causing cooler temperatures, altered rainfall, and extreme weather events worldwide.
Why B is wrong: This describes "El Niño" (the warm ocean current), not La Niña. While El Niño does involve warm water that affects global weather, La Niña is its opposite—characterized by cooler-than-normal ocean temperatures. The two are distinct climate phenomena with opposite effects.
What does “Polar Chill” mean?
Correct Answer (A): "Polar Chill" literally means extreme cold weather ("chill" = cold) connected to polar regions. Polar regions are the Arctic and Antarctic—the coldest places on Earth—so this definition is accurate.
Why B is wrong: This option describes hot tropical weather, which is the opposite of what "polar" means. Polar regions are freezing, not hot, so this contradicts the term entirely.
What does “Weather Balloon” mean?
Why A is correct:
A weather balloon's specific purpose is to carry scientific instruments high into the atmosphere to measure and transmit meteorological data like atmospheric pressure, temperature, humidity, and wind speed. This is the exact definition of a weather balloon.
Why B is wrong:
Option B describes a general hot air balloon or passenger balloon used for transportation—not a weather balloon. Weather balloons are unmanned and designed specifically for atmospheric measurement, not carrying people or cargo.
What does “Whiteout” mean?
Correct Answer (A): "Whiteout" describes severe weather with heavy snow or fog that blocks your view—visibility drops to nearly zero. This makes it dangerous to drive or travel because you can't see the road or surroundings.
Why B is wrong: This describes the *opposite* condition—bright sunshine and clear visibility. That's ideal weather, not a whiteout. Whiteout is an emergency weather situation, not pleasant conditions.
What does “Wind Chill” mean?
Correct Answer (A): Wind chill is when moving air makes your body lose heat faster, so you *feel* colder than the actual temperature. The wind strips away the warm layer of air around your skin.
Why B is wrong: Wind chill doesn't increase body temperature—it decreases it. Warmer air wouldn't create a "chill" effect anyway; that's the opposite of what wind chill does.
What does “Thundersnow” mean?
Correct Answer (A): Thundersnow is indeed rare—it requires specific conditions where thunderstorms develop during snowfall, which doesn't happen often. Thunder and lightning during snow is unusual because snow typically forms in calmer, colder air masses.
Why B is wrong: Heat waves produce thunderstorms, but these occur during warm weather with rain, not snow. Thunderstorms are actually *common* during heat waves, not rare, and they don't involve snow at all.
What does “Weather Satellite” mean?
Correct Answer (A): A weather satellite actively *helps* forecast weather by capturing images of Earth's weather systems. This is what weather satellites actually do—they orbit Earth and take photos/data that meteorologists use to predict weather patterns.
Why B is wrong: It says satellites *block* or *distort* weather forecasting, which is the opposite of their real purpose. Weather satellites improve forecasting accuracy, not harm it.
What does “Weather Map” mean?
Correct Answer (A): A weather map *shows/depicts* meteorological conditions over a specific geographic area. This is the standard definition—weather maps display temperature, pressure, wind, precipitation, and other weather data so people can understand current conditions and forecasts.
Why B is wrong: It says weather maps *obscure* (mengaburkan) meteorological conditions. This is the opposite of what weather maps do—they clarify and visualize weather information, not hide it.
What does “Cirrocumulus” mean?
Why A is correct:
"Cirro-" means high altitude, and cirrocumulus clouds form at very high elevations (above 20,000 feet). They appear as thin, white, patchy ripples because they're made of ice crystals, not water droplets.
Why B is wrong:
This describes low-altitude clouds (like stratocumulus), which are thick and darker. Cirrocumulus is the opposite—thin and high up.
What does “Altocumulus” mean?
Correct Answer (A): "Altocumulus" comes from "alto" (medium height) + "cumulus" (puffy/lumpy). These clouds appear as rounded masses or rolls arranged in layers, creating a distinctive bumpy or honeycomb pattern across the sky.
Why B is wrong: This describes *stratocumulus* or *stratus* clouds—flat, featureless layers without the characteristic rounded lumps that define altocumulus clouds.
What does “Stratocumulus” mean?
# Stratocumulus Explanation
Why A is correct:
Stratocumulus clouds are *low-altitude* clouds that form a *continuous layer* with a bumpy or rolled appearance. The name itself combines "stratus" (layered) + "cumulus" (puffy/lumpy), describing clouds that look like a flat sheet with visible lumps or rolls.
Why B is wrong:
This describes cirrocumulus clouds instead—they are *high-altitude*, *small*, and appear scattered/fragmented without the characteristic bumps. Stratocumulus are much lower and larger with a more organized, continuous structure.
What does “Polar Front” mean?
Why A is correct:
The polar front is the boundary between cold polar air masses and warmer mid-latitude air masses. This boundary is associated with low pressure because the collision of different air temperatures creates instability and rising air, which produces low-pressure systems. This is where most mid-latitude storms form.
Why B is wrong:
High pressure is associated with stable, sinking air and clear weather—the opposite of what happens at the polar front. The polar front is a zone of dynamic weather and low pressure, not high pressure.
What does “Ozone Layer” mean?
Why A is correct:
The ozone layer is located in Earth's stratosphere and contains high concentrations of ozone gas. Its main function is to absorb most of the Sun's ultraviolet (UV) radiation, protecting life on Earth from harmful UV exposure.
Why B is wrong:
This option contradicts what the ozone layer actually does. It falsely claims the ozone layer contains *no* ozone and allows *all* UV radiation through—the opposite of reality. Without the ozone layer's protection, UV radiation would damage life on Earth.
What does “Meteor Shower” mean?
Correct answer (A): This accurately defines a meteor shower—it's when multiple meteors appear to radiate from a single point in the night sky. This is what actually happens during these celestial events.
Wrong answer (B): This is contradictory and false. It claims a meteor shower occurs when *no* meteors are visible and the sky is clear—the opposite of reality. A meteor shower requires visible meteors by definition.
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