The correct matches are:
1. archaeology - the study of early human communities through the examination of the remains;
Examining the past of the human kind, its development, reasons for it, artifacts, activities...
2. anthropology - the study of people;
It is focused only on the human kind, and every aspect of the human nature.
3. linguistics - the study of human language;
Traces the origins of languages, branches them out, groups them, and tries to understand their evolution and connections.
4. cuneiform - symbols used to represent sounds;
Primitive style of writing, or proto-writing, by which people managed to record things by writing them down, mostly used in the Middle East.
5. hieroglyphs - symbols used to represent objects;
Colorful drawn pictures that resemble an object in real life, used as a writing system in Ancient Egypt.
6. petroglyphs - pictures carved out of stone;
Carvings out of stone with the purpose of documenting events that happened.
