Weather and Climate Quiz
Questions: 16 · 10 minutes
1. One unusually cold day occurs during a decade in which a region's average temperature has risen. What is the best interpretation?
A single weather event can occur within a long-term climate trend; both should be assessed on their appropriate timescales.
The cold day disproves the regional warming trend.
The warming trend must be false unless every day is warmer than the historical average.
Daily temperature and long-term climate are unrelated and should never be compared.
2. Why does an increase in greenhouse gases tend to warm Earth's lower atmosphere?
They create most of the sunlight that reaches Earth's surface.
They prevent clouds from reflecting any sunlight into space.
They absorb and re-emit some of the infrared energy Earth sends outward.
They transfer heat from the upper atmosphere directly into the oceans.
3. A fast-moving cold air mass advances into a region occupied by warm air. What commonly happens along the cold front?
Dense cold air pushes beneath warm air, often causing rapid uplift and showers or storms.
Both air masses stop moving until their temperatures become equal.
The cold air rises over the warm air because it is less dense.
The warm air removes moisture from the cold air, preventing cloud formation.
4. A city center remains warmer overnight than nearby rural land after both received similar sunlight during the day. Which explanation best fits?
Rural areas produce no heat after sunset, while cities generate sunlight.
Built surfaces store heat, vegetation is limited, and human activities release additional heat.
City air cannot cool when relative humidity is above zero.
Urban buildings permanently reduce the amount of energy reaching the ground.
5. Two cities are at similar latitudes, but one is coastal and the other is far inland. Why will the coastal city often have a smaller annual temperature range?
Coastal air always contains more greenhouse gases.
Ocean water heats and cools more slowly than land, moderating nearby temperatures.
Ocean currents prevent seasonal changes from reaching any coastline.
Coastal locations receive nearly equal daylight throughout the year.
6. An unsaturated parcel of air cools while its water-vapor content stays nearly unchanged. What happens to its relative humidity before condensation begins?
It decreases because cooling removes all water vapor.
It increases because cooler air is closer to saturation.
It remains constant until rain reaches the ground.
It falls to zero because cool air cannot contain water vapor.
7. A coastal town raises roads and restores wetlands to reduce damage from future flooding. What type of climate response is this?
Mitigation, because it directly removes the main greenhouse gases from the atmosphere.
Weather forecasting, because it determines the exact date of every future flood.
Adaptation, because it reduces exposure or vulnerability to expected impacts.
Weather modification, because it prevents storms from forming near the coast.
8. A normally wet region experiences one exceptionally dry month. What can scientists conclude about its climate from that month alone?
The region's climate has permanently become arid.
The dry month proves that global precipitation is decreasing everywhere.
The event cannot be called weather because it lasted several weeks.
Very little by itself; long-term records and the wider pattern are needed to identify a climate change.
9. Which instrument is used to measure atmospheric pressure?
Rain gauge
Anemometer
Hygrometer
Barometer
10. Which water-cycle process forms liquid cloud droplets when water vapor cools?
Transpiration
Evaporation
Infiltration
Condensation
11. What is a weather front?
A line marking where precipitation changes from rain to snow in every storm.
The leading edge of any cloud that can be seen from the ground.
A boundary or transition zone between air masses with different properties.
A permanent belt separating tropical climates from polar climates.
12. Which statement best distinguishes weather from climate?
Weather is measured directly, while climate is based only on computer models.
Weather occurs locally, while climate refers only to the entire planet.
Weather describes precipitation, while climate describes temperature.
Weather describes short-term atmospheric conditions, while climate describes long-term patterns and variability.
13. A large area of bright sea ice melts and exposes darker ocean water. What feedback can this produce?
The darker ocean absorbs more solar energy, which can contribute to further warming and melting.
The atmosphere stops absorbing infrared energy above the exposed water.
The darker ocean blocks solar energy from entering the climate system.
The ocean reflects more sunlight, encouraging rapid refreezing.
14. Why do large-scale winds appear to curve relative to Earth's surface?
Earth's rotation produces the Coriolis effect, deflecting moving air relative to the surface.
Air pressure forces every wind to follow lines of latitude.
Ocean tides pull all moving air toward the nearest coastline.
Greenhouse gases make winds rotate around areas of equal temperature.
15. On a sunny afternoon, land beside the ocean becomes warmer than the water. Which local wind is most likely?
A wind from land to sea because warm land produces higher surface pressure.
A wind parallel to the coast caused only by ocean currents.
A sea breeze moving from the cooler water toward the warmer land.
No wind, because land and water temperatures do not affect air pressure.
16. Moist air is pushed up the windward side of a mountain. What is most likely as the air rises?
It warms, making condensation less likely.
It cools, which can produce clouds and precipitation.
Its water vapor immediately becomes invisible ice at ground level.
Its pressure rises because it is moving farther above sea level.