- Between 19 -26 of March 2011 we visit Costa Rica. Our homework of math was to calculate the height of the waterfall "La Cangreja." On the trip to the waterfall we walk up and down until we arrive to the amazing waterfall "La Cangreja." The trip to the waterfall was 5.1 km long but it wasn't so hard because most of the land was plain. The lunch was on a tree and then we continue walking. When we arrived some people went directly to the water but some other stood out and measure. A person standing on a rock and someone took a photo and then we measure how many times the person will fit on the waterfall, and then we multiply that number by the high of the person. The person that we measure was El Flaco that measure 1.79 he fit on the waterfall about 11.79 times. In that way we discovered that the waterfall "La Cangreja" is about 21.12 meters high. We visit other little waterfalls like one that the water was very cold and potable.
- The hot springs that we saw was formed because of volcanic activity near them. The trip to the hot springs was across a dry forest in which there were many kinds of trees. One of the trees was called "Indio Desnudo." It was called like that because the first the color of the trunk of the tree is like the color of the skin and the trunks skin begins to fall it seems to be naked like the natives. The trip was easy because it was plain. When we were near the thermals we begin to smell like rotten eggs and the OpEPOS told us that we were near. It smells like rotten eggs because of the sulfur dioxide that hot springs near volcanoes produce. The water was hot because of the magma chamber that is close to water which causes water to heat up. When Mr. D got on the water Olga and some OpEPOS began to put minerals that were inside the thermals, because the minerals help the skin to be younger.
Write by: Antonia Pallini, Mariana Duran, and Erik Potdevin
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