The Incredible Physics of the Redwoods

The redwood tree is one of nature’s greatest engineering wonders. Found along the misty coast of Northern California, these trees can reach heights of over 350 feet. Scientists often compare them to living skyscrapers. But how can a tree grow so tall without toppling over? The answer lies in physics.

Roots and Stability

A redwood’s root system is surprisingly shallow—only about 10 to 13 feet deep. Instead of sinking downward, the roots spread out wide, sometimes extending more than 100 feet from the trunk. These roots often intertwine with the roots of neighboring redwoods. By “holding hands” underground, entire groves of redwoods share strength. This network helps them withstand fierce coastal winds and powerful storms.

Water and Height

One of the most puzzling questions about redwoods is how they move water. To grow taller than the Statue of Liberty, a redwood must lift water from its roots all the way up to its highest leaves. That can be more than 30 stories high! This process depends on capillary action, the same force that allows a paper towel to soak up spilled water. The tiny tubes inside a redwood pull water upward, while the sun and wind draw water out through the leaves. This creates a suction effect, keeping the flow going.

Fog Drip

Physics also explains another redwood trick—collecting water from the air. In coastal areas, fog drifts through the forests like a blanket. As fog hits the redwoods’ needles, the water condenses into droplets that drip to the ground. This “fog drip” provides nearly half of the water that redwood forests receive each year.

A Living Laboratory

Because of these remarkable adaptations, redwoods have survived for millions of years. Scientists study them not only to understand trees, but also to learn lessons about strength, balance, and water movement. Engineers are even using redwood physics as inspiration for new building designs and water-saving technology.

The redwoods prove that even the tallest giants on Earth stand strong because of the smallest forces of physics at work.

1. Why are redwoods often compared to skyscrapers?

2. How do redwood roots help the trees survive storms?

3. What force helps pull water upward inside redwoods?

4. What role does fog play in redwood forests?

5. What lesson do engineers learn from studying redwoods?

6. Why is the redwood’s water transport system considered amazing?

7. Select ALL statements that explain how redwoods stay stable and hydrated.

8. Evidence in the text (Highlight Task)

Turn on Highlight Mode. Then highlight the sentence that best supports this claim:

“Redwoods stay upright by connecting their roots with other trees.”

Tip: Select the sentence and release to highlight. Click a highlight to remove it.