Weather instruments & clouds
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1. 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 2. 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 3. 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 4. What are the tall, towering, anvil-topped storm clouds that produce heavy rain, thunder and lightning: cumulonimbus clouds or cirrus clouds?
What are the tall, towerin… · Weather instruments & clouds 5. 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 6. 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 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. 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 9. 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 10. 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 11. 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 12. 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