Classical Conversation Store Science Week 5 || # 77 - Rubbed Off PreviousScience - Week 4 || #76 - Lung Capacity NextScience Week 13 || #86 - Where Did It Go? Science Week 5 || # 77 - Rubbed Off Science Week 5 || # 77 - Rubbed Off 0.00 (Demonstration – Each child can participate)In Packet:Bar of soap or chalkBlack sheet of paperLarge coarse sandpaper Add To Cart Facebook0 Twitter