00000nam 2200000 4500 INLIS000000000001158 20221112091454 0010-0520001158 221112################|##########|#eng## 0078256437 eng 551.46 551.46 GLE l Glencoe Laboratory Activities : The Water Planet / Glencoe Newyork : Mc Graw Hill, 2007 xv,32p. Science is the body information including all the hypotheses and experiments that tell us about our enviroment. All people involved in scientific work use similar methods for gaining information. One important scientific skill is abilitiy to obtain data directly from the environment. Observations must be based on what actualy happens in the form from which valid conclusions can be draw. These conclusions must be such that other scientists can achieve the same results in the laboratory. 11743/MKRI-P/III-2009 11743/MKRI-P/III-2009