A laboratory scale (sometimes called a laboratory balance) is a scientific tool used to precisely measure mass (grams). In this video Justine Siew and Glorianna Tarlton describe how to use a laboratory scale with pro-tips and warnings to help you use a scale like a pro. They also describe how scientists used a laboratory scale to study the surprising decline of insect populations in pristine environments.
Justine Siew and Glorianna Tarlton produced this video while they were students at Durham Technical Community College. This video is copyright 2021 Durham Technical Community College, posted with permission. Funding for this video was generously provided by the Durham Tech Foundation.
The paper about the decline in the insect population is here: Hallmann, C. A., Sorg, M., Jongejans, E., Siepel, H., Hofland, N., Schwan, H., Stenmans, W., Müller, A., Sumser, H., Hörren, T., Goulson, D., & Kroon, H. de. (2017). More than 75 percent decline over 27 years in total flying insect biomass in protected areas. PLOS ONE, 12(10), e0185809. doi.org/10.1371/journal.pone....
7 мар 2022
