behavior pattern                                                         

characteristics

circular motion/ straight line motion / zigzag movement                     

dissolving                                                                

distance                                                                 

diversity of life           

earth resources                                                                 

gas

habitat

individual differences                                                  

liquid

magnification                                                                 

magnifier                 

observation                   

parent/offspring similarity        

pebble                     

prehistoric                                                  

properties

reasoning                               

scientist            

similarities & differences                                     

solid

sound                                                        

universe              

vibration                                                                                     

weight