thuhienmh123 3/14/2025 2:38:04 PM

21. Robert H. Goddard, an American scientist, built the first liquid-fueled rocketwhich he has successfully

                                        A                                     B                  C                 D

launched on March 16, 1926.

22. The innovators behind objects like the cellphone or the helicopter took inspiration from work like "Star

                 A                           B                                  C                                      D

Trek" and War of the Worlds.

23. How many people know that the Brooklyn Bridgebuilt in 1883, were the world's first suspension bridge?

                                                A                         B                     C                                  D

24. An X-ray microscope enables a person seeing through solid materials such as metal and bone.

            A                        B                        C                                   D

25. Inventor Granville Woods received him first patent on January 3, 1884, for a steam boiler furnace.

                                             A                      B                            C          D

REVISION 1-HS