Oxford Discover 4 - Unit 4

to find sth by digging

something that you enjoy doing when you are not working

a piece or quantity of sth that is on sth else or between other things

one of a number of very large animals that became extinct millions of years ago

a narrow deep valley with steep sides

to find or learn sth that nobody had found or knew before

a part of a dead plant or an animal that has been in the ground for a very long time and has turned into rock

the bone structure of a human or animal head

to consider or study an idea, a subject, etc. very carefully

to dig in the ground to look for old objects or buildings that have been buried for a long time

a person who studies fossils

the grey or black powder which is left after sth has burned