Mon Prof Augmenté
Tree rings and slow growth
Age 10 · Nature
A tree adds one ring of wood each year, and the ring is thin when the tree grows slowly. Spruce from high mountains grows slowly, so its tight rings carry vibrations well.
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Age 10: open this week
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In the picture
- Narrow, tight rings: slow mountain growth that carries vibrations well
- Wide, spaced rings: fast lowland growth that carries vibrations less well
Examples
- A violin maker picks mountain spruce with very fine rings for the top of a violin.
- A tree stump in a garden shows its age and its good or poor years through its rings.
Key takeaways
- One ring is added each year, and its width shows how fast the tree grew.
- Slow-grown wood with tight rings carries vibrations better than fast-grown wood.
Quiz: Tree rings and slow growth (Age 10)
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How often does a tree add a new ring of wood?
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A tree makes a very thin ring in one year. What does that tell you?
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Which wood carries vibrations better?
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