This week, we've been investigating the effect water has on our every-day lives. Yesterday, we created model of a city built around a river. We learned that city planners must think carefully about water usage as a city grows in size. Today, we calculated how much of our body is composed of water....about 70%! WOW!
weighing ourselves to calculate the number of gallons of water in our bodies
creating a layout of our town taking into account water usage