Below you can find the The earliest evidence of these made from stone by early man dates to about 2.5 million years ago Jeopardy Words Answer. The answer to The earliest evidence of these made from stone by early man dates to about 2.5 million years ago has 5 letters. This clue belongs to the Science category and is part of Jeopardy Word Level 847. If you scroll near the bottom you will find other clues and answers part of level 847