Did you know some baby birds take 10 days to hatch, and some can take 80 days! Learn all about these cute creatures and finish your lesson off with a fun maze.

Young astronomers unscramble words to reveal the heavens in this fun space science worksheet.

Test your knowledge of prehistoric animals with this life sciences crossword puzzle!

Children discover and review the parts of a flower and what they do as they complete this botany-themed crossword puzzle.

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.