Rocks And Soil

What is sand made of? What is erosion? What is clay used to make? Investigateencourages science enquiry with an interactive investigative and visualapproach to ... » 

What is sand made of? What is erosion? What is clay used to make? Investigateencourages science enquiry with an interactive investigative and visualapproach to a wide range of core curriculum topics. The format allows studentsto use scientific processes such as prediction hypothesis and inference inanswering a series of questions on important topics throughout the book. «