Weather instruments & clouds
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1. What are the fluffy, white, flat-based clouds that look like cotton wool floating in a blue sky on a sunny day: cumulus clouds or stratus clouds?
What are the fluffy, white… · Weather instruments & clouds 2. 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 3. Which weather instrument points into the wind to show the direction (N, S, E, W) from which the wind is blowing: a wind vane (weather vane) or a rain gauge?
Which weather instrument p… · Weather instruments & clouds 4. 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 5. 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 6. 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 7. Which weather instrument has spinning cups that rotate in the breeze to measure wind speed: an anemometer or a thermometer?
Which weather instrument h… · Weather instruments & clouds 8. Where should you place a rain gauge to get an accurate rainfall measurement: in an open area away from trees and building roofs, or directly under a tree?
Where should you place a r… · Weather instruments & clouds 9. What lines on a weather map connect places that have the exact same atmospheric pressure: isobars or contour lines?
What lines on a weather ma… · Weather instruments & clouds 10. Why do you see the flash of lightning before you hear the clap of thunder from a distant storm: light travels much faster than sound in air, or lightning happens ten minutes earlier?
Why do you see the flash o… · Weather instruments & clouds 11. If a wind vane points toward the East, from which direction is the wind blowing: from the East (an easterly wind), or from the West?
If a wind vane points towa… · Weather instruments & clouds 12. What are the thin, wispy, feathery high-altitude clouds made of ice crystals in fair weather called: cirrus clouds or cumulonimbus clouds?
What are the thin, wispy, … · Weather instruments & clouds