Figure 1. The design loop for high grades (K-10)

From

STEM Education: Organizing high School Students in Vietnam using Engineering Design Process to Fabricate Water Purification Systems

Dang Thi Oanh, Le Van Dung, Mai The Hung Anh, Nguyen Thi Thuy Trang

American Journal of Educational Research. 2018, 6(9), 1289-1300 doi:10.12691/education-6-9-8