Period 1 Introduction,Module 6 Unexplained Mysteries of the Natural World,bigfoot,yeti,The Loch Ness Monster,The Grey Man,attack claw creature dinosaur footprint hairy monster spirit tail,An animal, especially if you dont know what kind of animal it is An unknown animal that is big and frightening With a lot of hair The mark left on the fround by a foot,A part that sticks out at the back of an animals body A large animal that lived thousand of years ago Something that continues to exist after death The sharp nails that some animals and birds have on their feet To use violence against someone,