skeleton — all the bones of a body together

discover — to find something for the first time

repairs — work that people do to fix something broken

soldier — a person who fights for their country

scientist — a person who studies and tests things to learn new information

laboratory — a special room where scientists work and do tests

bullet — a small piece of metal that a gun shoots

coin — a small, round piece of metal that we use to buy things

army — a large group of soldiers

carefully — slowly and with a lot of attention