SAND, SIEVE, AND STARE CHALLENGE Get ready students, we are having a contest to determine which group is?. THE KINGS, AND/OR QUEENS, OF THE BEACH!!!!! You will be given 6 sets of samples that you must weigh, measure, observe, feel, and SIFT! Your powers of sieving and observation will be put to the ultimate test as you try to figure out which sand came from where. Good luck, and if you prove yourselves, you will receive a very useful prize to use in future scientific endeavors? Directions to Analyze Prepared Sand Remember, take your time and record all data properly! Stations 1, 3, and 5 directions: 1. Stack the sand sieves with the coarsest (4mm) on top followed by the remaining sieves in decreasing size, and finally the catch pan on the bottom.