Reviews natural resources used in commercial products.
Connect your daily life experiences with specific points in a reading using a Double Entry Diary.
Michaelagelo turned a block of marble into the most beautiful statue ever created, the Pieta.
Obsidian is hard and sharp. Humans used obsidian to make sharp and sturdy tools.
Ancient Romans used rocks in a variety of forms to create the famous Roman Coliseum.
Examines the dangers and uses of rare Earth metals and the harm that mining does to the environment.