Page 24 - Key to Social Studies 3
P. 24

Let’s Think







            Locating Persons Then versus Now






                                                                          Imagine going on a trip with your

                                                                          family and you got lost. How will

                                                                          they be able to  nd you? Think of

                                                                          this situation happening in the past

                                                                          versus nowadays. What tools


                                                                          and/or technologies would you use

                                                                          in both situations? Which would be

                                                                          easier and quicker?











            Space GPS




             In today’s world, you can  nd the

             location of anything, anywhere on

             Earth. But what if you want to  nd

             something on other planets? NASA has

             been currently working on having the

             GPS work outside Earth. How do you


             think this will bene t humans in the

             future?





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