Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

This fun worksheet is jam-packed with fun facts, a word search and trivia questions, all about the baboon!

Discover how myths explain the origins of the world with this fifth- and sixth-grade reading comprehension worksheet!

Learn about the foundational process of American democracy in this essential worksheet!

Study the night sky with this hands-on science worksheet for third and fourth graders!

This worksheet features Uranus facts. Did you know this planet is blue and spins on its side?

Have you considered why elephants have trunks, or why polar bears have thick fur? Reflect on animal adaptations with this fourth-grade worksheet!

Explore the sights and sounds of the prairie with this fourth- and fifth-grade reading-comprehension activity!

For piano lovers everywhere, here's a fun reading exercise featuring George Gershwin, the composer who wrote the brilliant Rhapsody in Blue.

Looking for some patriotic math practice? Salute the red, white and blue while reviewing times tables, even during summer break!

Have you ever wondered why giraffes have long necks or why lions have sharp teeth? Find the answers in this third- and fourth-grade worksheet about adaptations!

What is that strange object in the sky? This prompt will be a lift off for your young writer's imagination as he creates a story to match the picture.

Learn facts about Venus, the planet that shines the brightest in our night sky! Then practice your knowledge of the solar system with bonus trivia at the end.

Learn facts about Mars, the great red planet in the night sky. There is more find out about space by answering the question at the bottom of the worksheet.

Looking for some patriotic math practice? Salute the red, white and blue while reviewing times tables with division equations using multiples of 5.

Learn about the human brain with this zombie-themed science worksheet!

Learn a bit about meteors, asteroids and comets as they travel across the night sky. Can your child round out the page by adding color to these orbiting rocks?

Introduce how pronouns work and why they're so important with this informative worksheet.

Roses are red, violets are blue, I know the parts of a flower, how about you? Learn about flower anatomy with this worksheet.