AP Chemistry Endothermic or Exothermic Dots and Boxes Partner Activity

Students can engage with each other in a fun game of dots and boxes while determining if a chemical reaction or physical process is endothermic or exothermic.

Here's how to play endo or exothermic dots and boxes:

• students take turns drawing horizontal and vertical lines between adjacent dots

• when a student draws a 4th line and closes the box, they add their initials or color in the box

• the student determines if the process represented is endothermic or exothermic

• if the box contains an endothermic process, they get 1 point

• if the box contains an exothermic process, they get 2 points

• the student who closed the box gets to draw another line

• players continue taking turns until all boxes are closed and claimed

• the player with the highest total points will win the game!

Students should be familiar with:

• phase changes and if they are endothermic or exothermic

• using the sign of ΔH to determine if a process is endothermic or exothermic

• comparing energy required to break bonds vs. energy released when bonds (or IMFs) are formed to determine if a process is endothermic or exothermic

This resource includes:

• dots & boxes game board with 20 problems

• blank student worksheet for scratch work

• student tally sheets to keep track of points

• answer key

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