Here is a Bingo game with a difference -- the pictures can be found under ANY letter. There are 40 pictures of various astronomy related items. There is an Identification Chart to help the students find answers. There are 25 different colorful cards to print and use.
There are many nature study or science games in my TPT store --
Crossword, Word Search, Bingo, Rummy, Concentration, Sorting,
Tic Tac Know, Dominoes and Board games.