Science worksheet on space exploration with fill-in-the-blank questions and a word bank.

A science exercise worksheet with a green background, featuring a list of space-related terms and questions about space exploration, including Sputnik 1, Yuri Gagarin, Valentina Tereshkova, and the Apollo missions. The worksheet includes a section for students to write their nickname, class, and number, and asks them to match terms to descriptions about the first satellite, first female astronaut, first man on the moon, and other space milestones.