Lisa, T.D.P., Rifai, H., Lestari, N.V., Murtiani, M. and Dewi, W.S. 2021. Instrument of Understanding Level Test of Newton’s Law Concept: Case Study Flying Fox Ride in Bukik Chinangkiek Edupark, West Sumatera, Indonesia. EDUCATUM Journal of Science, Mathematics and Technology. 8, 2 (Dec. 2021), 57–68. DOI:https://doi.org/10.37134/ejsmt.vol8.2.6.2021.