1. Studying children's knowledge base of one‐sided levers as force amplifiers. Issue 1 (29th September 2018) Authors: Leuchter, Miriam; Naber, Britta Journal: Journal of research in science teaching Issue: Volume 56:Issue 1(2019) Page Start: 91 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗