This PPT game reviews ecosystem vocabulary. Students are given the definition and they must decide what the vocabulary word is . There are 20 vocabulary words in all and you just click on each question to go to it. The question disappears after you’ve clicked on it so you know you’ve answered it. There is a type-in scoreboard. The scoreboard can be typed in during Slideshow Mode. This is a student vs. student game so you can have up to 4 teams . Great for a science review or rainy day activity. Great for individual practice on the iPad!