4.4 • 613 Ratings
🗓️ 16 October 2024
⏱️ 21 minutes
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0:00.0 | You are listening to Sleep Tight Science. |
0:15.6 | Did you know that the largest raindrops ever recorded were the size of small grapes? |
0:24.0 | What? |
0:24.6 | They fell during a storm in Brazil. |
0:35.9 | Hello, friends, and welcome back to Sleep Tight Science, a bedtime show that answers your questions about science. |
0:46.5 | In this episode, we'll learn why rain falls in little drops instead of one big splash, why ice cracks when it melts, and how clouds |
0:58.6 | move across the sky. We'll also explore the science behind why ice floats and why clouds are white, |
1:09.1 | all thanks to another round of fantastic questions |
1:13.5 | submitted by our curious listeners. |
1:17.3 | Let's get started. |
1:22.1 | Our first question comes from Marcelline Savage, |
1:25.9 | who was just two and a half years old. |
1:29.3 | Marcelline is from Australia and asks why raindrops fall in little drops instead of one big plop. |
1:39.9 | Rain falls in little drops instead of one big splash because of how water behaves in the |
1:47.0 | atmosphere. First, rain forms when water vapor in the air condenses around tiny particles, like |
1:56.7 | dust or pollen, creating clouds full of microscopic water droplets. |
2:04.2 | These droplets are incredibly light and can float around inside the cloud for a long time. |
2:13.2 | As they bump into each other, they merge and form larger droplets. |
2:20.0 | But instead of making one giant drop, they continue to grow until they are heavy enough to fall to the ground as rain. |
2:30.6 | Now, here's why we don't see one big drop. |
2:36.7 | Gravity pulls on everything, including raindrops. |
2:41.6 | However, as raindrops fall, they face air resistance, or air pushing against them. |
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