we made rocks in science the other day. what we did was we took crayons that we had collected and we took and assortment of tools such as potato peelers and cheese graters etc. we weathered for two day then we took our “sediment” and put it in a bag then we divided the sediment up and we put in a tin foil packet and out it under hundreds of thousands us millions of seconds of pressure. then after we came pack to our secret place of pressure (the computer table in the library) it was a rock!