How to force a checkmate in this position

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laurengoodkindchess

Hi! My name is Lauren Goodkind and I’m a respected  chess coach and chess YouTuber based in California: 

https://www.youtube.com/channel/UCP5SPSG_sWSYPjqJYMNwL_Q

White to move. How does white force a checkmate in this position?  You need to think several moves ahead. This position was taken from a game that I recently played.   

kiwispam84

Sac the queen on h5 (Qh5...Qf7xh5), then Rg8#?