HomeNewsLocalWestern Illinois“7th grade used our giant slinky to learn how earthquake waves move through the curst” #MAC185 #MacombMiddleSchool…“7th grade used our giant slinky to learn how earthquake waves move through the curst” #MAC185 #MacombMiddleSchool…Mon, October 27, 2025 by Macomb Schools 185SHARE NOW “7th grade used our giant slinky to learn how earthquake waves move through the curst” #MAC185 #MacombMiddleSchool #howcoolisthat #scienceisfun