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Book 17, Question 27 · Video

Why Does It Rain Almost Every Afternoon in Some Rainforests?

Video · 1:57 · Crafty Clover explains, from A Million Whys Book 17

In some rainforests, it rains almost every afternoon like clockwork! In the morning, the Sun heats the forest and water evaporates into the air. By afternoon, that warm, wet air ha

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What Crafty Clover says in this video

Intro

Hi there, curious minds! I'm Crafty Clover! Let's discover something amazing. Why does it rain almost every afternoon in some rainforests?

The Big Idea

In some rainforests, it rains almost every afternoon like clockwork! In the morning, the Sun heats the forest and water evaporates into the air. By afternoon, that warm, wet air has built into tall clouds that release heavy showers.

Morning Warmth

Step one: a warm morning. The Sun heats the forest, and water evaporates from leaves, soil, and rivers. The air fills with invisible water vapor, and the forest feels steamy.

Rising Air

Step two: rising air. As the day warms up, the humid air rises and cools. The vapor turns into tiny droplets that build towering thunderclouds.

Afternoon Shower

Step three: afternoon showers. By mid-afternoon, the clouds release heavy rain, and then the sky often clears. The pattern repeats for weeks, as long as the air stays warm and moist.

A Closer Look

Let's follow the day! In the morning, the Sun warms the forest. At midday, vapor rises and cools. In the afternoon, tall clouds burst with heavy rain. By evening, the sky is often clear again.

Quick Facts

Quick facts! Locals in some forests set their clocks by the afternoon rain. Tall thundercloud towers can rise miles into the sky. The same pattern can repeat for weeks, day after day. Watch storms from indoors and stay safe.

Think Like a Scientist

Now, think like a scientist! For a week, check the sky at 10 a.m., 1 p.m., and 4 p.m. Draw the clouds you see. Do clouds grow taller as the day gets warmer? Stay safe indoors during thunderstorms.

Outro

Warm, wet air builds into clouds that bring afternoon rain. Science is amazing! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!

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