HOW DO WE GET ACQUAINTED WITH THINGS? 3 



forces which act upon living things. All of these forces 

 and things we collectively call our environment, and each 

 one by itself is a factor of the environment. 



This unit is intended, first of all, to show us the way 

 that we get acquainted with our surroundings and how we 

 may use the method of the scientist in learning something 

 about this wonderful world that surrounds us, what our 

 surroundings are composed of; and, finally, how we as 

 living creatures use this environment in which we are 

 placed. 



PROBLEM I. HOW DO WE GET ACQUAINTED 

 WITH THINGS? 



Indians Were Keen Observers. Those of you who 

 have read The Last of the Mohicans remember Uncas, 



Wright Pierce 



The next time you are in the forest look on one side of the tree trunk for a green 

 mosslike growth. This is not moss, but algae or lichens, low forms of plant life. 



