Page 275 - Benchmark-2.1
P. 275

12                     An Adventure in a










                                Hot-Air Balloon











                                                                                                        • Where are the balloons?


                                                                                                           □ In a lake □ On land □ In the sky







                                                                                             Get Ready


                                                                                              How does a hot-air balloon fly?


                                                                                               e.g. It uses hot air to fly. It floats on the air.














                                                                                                                                         Social Studies | Oh, Happy Day!
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