My favorite part; however, was when we moved into the discussion of the very first national park in the whole wide world: Yellowstone National Park. I just love Yellowstone, having gone there many many times as both a child and an adult. I was so excited to have this chance to teach my kids all about it, not to mention to take them there. I decided to break my Yellowstone Unit into two parts: 1)Geothermal Features and 2) Yellowstone Wildlife.
First, geothermal features. This section was a blast to teach--literally. First we reviewed the layers of the earth and everything the kids learned about fault lines in Summer Camp. Then we took a day to talk about volcanoes--Yellowstone is actually sitting on a large dormant one. During this discussion we of course had to construct our own volcano and cause it to erupt. The kids thought that was great. Unfortunately, Nick deleted the picture of our amazing handiwork! After talking about volcanoes, we went into a long section on the active geothermal features in the park, namely, geysers, hot springs, mud pots, and fumaroles. I have been to the park many times and I never realized the difference between all of these things. It was fascinating, and the kiddos loved it. They were so excited to swim in a hot spring, smell a fumarole, and watch Old Faithful erupt!
As we talked about all of the geothermal features, as well as the Yellowstone volcano and earthquakes, somewhere along the way we got side tracked on the Yellowstone fires. We got so side-tracked, in fact, that I decided to make a third section simply on the fires. Spence was especiallly taken with them-watching online video after video of the great forests burning. Then of course we had to talk about how they fought the fires and watch video after video of the airplanes dumping water and chemicals on the fires in an attempt to put them out. The kids were mesmorized. They were also devestated thinking that the whole park was still burned down. Fortuntely, we learned that the park was not entirely burned down, and that the fire actually did much good for the park. This lead into a discussion of the famous lodge-pole pines that dot the park. We learned all about their life span and how important fires can actually be to their growth. I even learned something as we discussed the logde-pole pine cones that contain the seedlings for new trees. Only under extreme heat can the cones pop and release their seeds. And only with adequate light (i.e. not being blocked by too many big trees) can the seeds take root and grow. It was an interesting tangent, and one that gave me an idea for another special unit when we get home from our trip.
Because we got side-tracked, we didn't get to our wildlife segment before leaving on our trip. I did; however, teach them all about the wildlife while we were in the park. We talked about the deer, elk, moose, and bison. We talked about black and grizzly bears, including what to do if you were ever to meet a real bear in the wild. We read about eagles and trumpeter swans. We studied marmots and chipmunks and beavers. And of course, we traced the history of the gray wolf and it's significance in the park. All the while we munched on special Yellowstone Animal Crackers and marked off the animals on our Yellowstone Bingo Cards as we came across them. It was awesome! A school special unit and a family vacation we will all never forget. (For all the pictures check out the Yellowstone Post on our family blog.)
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