Learning with Your Kids: Understanding Erosion
Pamela Robertson – Public Program Planner
Pamela Robertson – Public Program Planner
Setting up the experiment. Photo: Pamela Roberts
When we think about ‘history’ we don’t always think about the forests. Yet, here in North Vancouver, there are histories hidden across the myriad of trails that surround us. Recently, I’ve been exploring this history with my children (aged 4 and 9) and taking advantage of local trails to inspire my work and their learning.
Last month, we explored the trails of Capilano Regional Park in search of evidence of early logging in the area. As a follow-up to that day of learning, we created a fun experiment to show the importance of trees. Most kids know that trees help fight climate change but do they know that they are really important in preventing erosion?
Photo: Pamela Robert
The canyons in the North Shore are being eroded by rain water, coming from down from the mountains, and sometimes with disastrous results. Trees prevent erosion by keeping soil from being washed away.
With this in mind, we designed a simple experiment that demonstrates this quite easily for children. Here are the steps:
As you can see from the images, the pot with the tree in it has fairly clear water running out of it, because the tree has held the soil together with its roots.
Notice the difference in water colour in the three glasses. Photo: Pamela Roberts
The pebble pot runs fairly muddy but the worst of the three is the pot with just soil in it. As you can see from the images the water is really muddy because the ‘rain’ has washed so much of the soil away.
This content and experiments will form part of our Eureka Effect Shows which we are developing for the opening of our new museum this year. The Eureka Effect shows are fun, interactive shows that will reveal the history of the North Shore through experiments, science and lots of audience participation.
If you are interested in finding out more about logging history on the North Shore check out our online resource.
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Donations are accepted through the Friends of the North Vancouver Museum & Archives Society, Registered Charity No. 89031 1772 RR0001.
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