This crossword puzzle uses the images of a list of animals and asks students to solve the puzzle. The worksheet is interactive such that whenever the student enters a correct letter in a cell, the cell will turn green, whenever a wrong answer is entered, the cell will turn to red. This immediate feedback helps students proceed faster without much confusion.
A crossword puzzle provides students to evaluate their knowledge and require students to pay attention to terminology as they need to spell each word correctly to win the game.