1、Ancient Forest Discovered in Sinkhole25th May 2022ExploreUsing non-fiction books and the Internet,learn more about different types of rocks.What are the three types of rock?What are the most common types of rocks?What types of rocks are common near you?InvestigateWhen testing the hardness of differe
2、nt minerals,sometimes people use something called the Mohs scale.Invented in 1812 by Friedrich Mohs it is based on one minerals ability to scratch another.Check out this Mohs Scale Information Sheet to learn a bit more about it.Collect a range of different rocks and see if you can use the Mohs scale to order them by measuring their hardness.Photo:Some sinkholes appear very suddenly.WriteImagine you were one of the cave explorers who first discovered the sinkhole and the ancient forest within.Imagine what you can hear,see and smell.Write a diary entry describing the event.visit
