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Book 17, Question 38 · Video

Why Can a Tropical Sapling Shoot Up So Quickly?

Video · 1:55 · Crafty Clover explains, from A Million Whys Book 17

Plants need sunlight, water, and warmth, and a rainforest has all three nearly all year. There is no winter to stop growth, so plants can keep making leaves, wood, and fruit. Some

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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 can a tropical sapling shoot up so quickly?

The Big Idea

Plants need sunlight, water, and warmth, and a rainforest has all three nearly all year. There is no winter to stop growth, so plants can keep making leaves, wood, and fruit. Some saplings shoot up more than ten feet in a year!

Three Ingredients

Step one: three ingredients. Sunshine gives energy, rain gives water, and warmth keeps things working inside every plant. A rainforest has all three, nearly every day of the year.

No Winter Break

Step two: no winter break. In cold places, plants pause for winter and drop their leaves. In the tropics, they keep making new leaves, wood, and fruit all year.

A Light Race

Step three: a race for light. Fast-growing trees that fill gaps compete to be tallest. Some shoot up more than ten feet in a single year. That is taller than a basketball hoop!

A Closer Look

Let's see what makes growth fast! The Sun gives energy. Rain gives plenty of water. Warmth keeps growth going, month after month. Some bamboos can even grow several inches in a day.

Quick Facts

Quick facts! Some rainforest bamboos grow several inches in a single day. Fast-growing trees can add more than ten feet in a year. Competing for light makes plants race upward, stretching taller every day. Measure plants with a grown-up.

Think Like a Scientist

Now, think like a scientist! Measure a houseplant or a bean sprout every day for a week. Write the numbers on a chart. Which day had the biggest growth? Ask a grown-up to help you measure.

Outro

With sun, water, and warmth, rainforest plants grow fast. 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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