80 printable space crossword puzzles for KS2 (ages 8-12): the Sun, planets, moons, stars, rockets and astronauts, with a full answer key.

Blast off! Children explore the Sun and every planet, moons and comets, stars and galaxies, and the rockets, astronauts and missions that took us there.

What’s inside (103-page PDF):

• 80 crossword puzzles, with letter counts after every clue so children can solve independently
• The Sun, every planet, moons and comets
• Earth and the sky: day and night, seasons, the Moon’s phases and eclipses
• Stars, constellations, galaxies and black holes
• Space exploration: rockets, Apollo, the International Space Station, rovers and probes
• A Planet Fact File for quick study
• Full answer key, a how-to page, a puzzle tracker and a “Junior Astronaut” certificate

Great for the KS2 “Earth and space” topic, science clubs, early finishers, homework and homeschool.

Printing: the PDF is US Letter size. It prints well on A4: choose “Fit to page” in the print dialog.