Weather instruments & clouds
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1. Which weather instrument measures the relative humidity (water vapour content) of the air: a hygrometer or an anemometer?
Which weather instrument m… · Weather instruments & clouds 2. What is the difference between “weather” and “climate”: weather is the day-to-day state of the atmosphere, whereas climate is the average weather pattern over 30+ years, or they are identical?
“weather” · “climate” · Weather instruments & clouds 3. Which weather instrument measures atmospheric air pressure (helping meteorologists forecast approaching storms or fair weather): a barometer or a rain gauge?
Which weather instrument m… · Weather instruments & clouds 4. What causes the loud sound of thunder during a thunderstorm: lightning rapidly heats the air, causing it to expand explosively as a shock wave, or clouds bumping together?
What causes the loud sound… · Weather instruments & clouds 5. Which weather instrument collects falling rain in a graduated cylinder to measure rainfall depth in millimetres (mm): a rain gauge or a wind vane?
Which weather instrument c… · Weather instruments & clouds 6. Why are weather station thermometers housed inside a white, slatted wooden box (a Stevenson screen): to shade the thermometer from direct sunlight while allowing air to circulate freely, or to keep rain inside?
Why are weather station th… · Weather instruments & clouds 7. What do we call a cloud that forms right at ground level or sea level and reduces visibility: fog (or mist) or hail?
What do we call a cloud th… · Weather instruments & clouds 8. What scale from 0 (calm) to 12 (hurricane force) is used by sailors and weather observers to estimate wind speed from sea and land conditions: the Beaufort scale or the pH scale?
0 · 12 · Weather instruments & clouds 9. What tiny water droplets form on cool grass and leaves early in the morning when water vapour condenses on cold surfaces: dew or hail?
What tiny water droplets f… · Weather instruments & clouds 10. On a sunny afternoon at the coast, land heats up faster than the sea, drawing cool air inland from the water. What is this breeze called: a sea breeze or a land breeze?
On a sunny afternoon at th… · Weather instruments & clouds 11. What causes a rainbow to appear in the sky when the Sun shines on falling raindrops: sunlight is refracted, reflected and dispersed into colours inside the water droplets, or clouds paint the sky?
What causes a rainbow to a… · Weather instruments & clouds 12. Which weather instrument measures air or water temperature in degrees Celsius (°C) or Fahrenheit (°F): a thermometer or a barometer?
Which weather instrument m… · Weather instruments & clouds