| Question | Answer |
|---|---|
| stone tools made by carefully chipping away flakes of the stone core to make them into teardrop-shaped implements that replaced the cruder Oldowan hand-axes | Acheulean tools |
| stone tools and hand-axes made beginning around 250,000 years ago and consisting of flakes rather than cores | Mousterian tools |
| sharpened stones used until about 1.7 million years ago for a variety of cutting, scraping, and chopping purposes | Oldowan tools |
The content of this course has been taken from the free World History, Volume 1: to 1500 textbook by Openstax