Mr. de Mestral's Invention (Science & Technolgy/Inventions)
This "Read & Understand Science" unit for grades 2-3 investigates the scientist who invented Velcro. The unit contains a two-page article, plus three student activities on answering comprehension questions, completing a vocabulary crossword puzzle, and listing ways to use Velcro. (Find additional units by searching "Read Science 2-3")