Why Do Trees Have Rings? | Earth Lab

Channel:
United Kingdom BBC Earth Science
Subscribers:
1,710,000
Published on ● Video Link: https://www.youtube.com/watch?v=mbdur2TjTbk


Duration: 3:38
223,854 views
3,019

You can tell how old a tree was by the rings in its trunk, but where do they come from? James May is here to answer.

"Subscribe to Earth Lab for more fascinating science videos - http://bit.ly/SubscribeToEarthLab

All the best Earth Lab videos http://bit.ly/EarthLabOriginals
Best of BBC Earth videos http://bit.ly/TheBestOfBBCEarthVideos

Here at BBC Earth Lab we answer all your curious questions about science in the world around you. If there’s a question you have that we haven’t yet answered or an experiment you’d like us to try let us know in the comments on any of our videos and it could be answered by one of our Earth Lab experts.


"



Other Videos By BBC Earth Science


2013-05-13Will Humans ever be able to FLY? | Greg Foot | Earth Lab
2013-05-12What is dark matter? | Sci Guide (Ep 20) | Head Squeeze
2013-05-11How can we tie dye milk? | Live Experiments (Ep 26) | Head Squeeze
2013-05-10James May's 80s internet EXTRAS | James May's Q&A (Ep 19) | Head Squeeze
2013-05-10How Does The Internet Find James May? | Earth Lab
2013-05-08Make your own Van De Graaff generator | Live Experiments (Ep 25) | Head Squeeze
2013-05-07Count to a trillion on your fingers! | Head Squeeze
2013-05-05Can Black Holes have firewalls? | Sci Guide (Ep 19) | Head Squeeze
2013-05-04How can you make an exploding bag? | Live Experiments (Ep 23) | Head Squeeze
2013-05-03Trees: Climatic Recorders EXTRAS | James May's Q&A (Ep 18) | Head Squeeze
2013-05-03Why Do Trees Have Rings? | Earth Lab
2013-05-01Balloon powered car! | Live Experiments (Ep 24) | Head Squeeze
2013-04-30How do betting odds work? | Number Hub (Ep 17) | Head Squeeze
2013-04-29What makes us yawn, gather bellybutton fluff & our farts so smelly? | Greg Answers | Head Squeeze
2013-04-28Sports training: Old school or hi-tech, what's best? | Sci Guide (Ep 18) | Head Squeeze
2013-04-27Getting Energy from Food | Live Experiments (Ep 22) | Head Squeeze
2013-04-26EXTRA: What is the point of mosquitoes? | James May's Q&A (Ep 17) | Head Squeeze
2013-04-26Why do Mosquitoes Prefer some people to others? | James May's Q&A | Head Squeeze
2013-04-24Extract DNA from a strawberry at home | Live Experiments (Ep 22) | Head Squeeze
2013-04-23George Lucas: Bad at maths | Number Hub (Ep 16) | Head Squeeze
2013-04-22Polar bears in the north? What's musical harmony? What are eye bags? | Greg answers | Head Squeeze


Tags:
why do trees have rings
tree rings
rings tree
tree ring
why do trees grow rings
why are there rings on a tree
tree rings james may
james may tree rings
bbc lab
bbc earth lab
bbc earth
bbc