This is a game of tic tac toe with a DIFFERENCE. The player must correctly answer a question to get to place a marker on the card.There are 72 cards of energy kinds and 9 types of energy. there is a chart to help the student find and learn the answers.
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.