1) Glass is made of ....................... . a) furnace b) melts c) nature d) sand 2) The sand is heated in a ..................... . a) Egypt. b) furnace c) glassblowing d) nature 3) The sand ................... and becomes liquid. a) sand b) pane c) melts d) furnace 4) The liquid glass can become a window .................. . a) sand b) furnace c) pane d) nature 5) Glass vases are made with the method of ............................... . a) sand b) melts c) furnace d) glassblowing 6) The glass was firstly created in ................... . a) Egypt. b) sand c) nature d) furnace 7) Glass cannot be found in ..................... a) melts b) glassblowing c) nature d) furnace

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