Tree ring diagram Image: NASA Climate Kids Cutting through tree trunks Light-coloured bands Tree rings grow wide Decoding these bands This poem first appeared in Double Helix magazine. If you’re after more science news for kids, subscribe today!By Celia Berrell
from bark to bark,
we’ll see lots of circles
in light wood and dark.
mostly grow summer–spring
while autumn to winter
grows thin, darker rings.
when it’s wetter and hot,
but tend to grow narrow
whenever it’s not.
in an ancient tree
can tell us the climate
historically!
![Diagram showing cross section of tree including first year growth, rainy season, dry season, scar from forest fire; spring/early summer growth, late summer/fall growth](<p><em>Image: NASA Climate Kids</em></p>
” data-image-description=”<p>Tree ring diagram</p>
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