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

Here's a great way to teach your kids more about our solar system. This worksheet focuses on the dwarf planet, Pluto.

Ever wonder what makes the leaves change colors in the fall? Find out with this fascinating life science worksheet.

This printable features the planet closest to the sun. Learn Mercury facts and further your knowledge of outer space by discovering new things.

As your child completes this science worksheet on the life cycle of a peanut, he'll get the chance to practice his sequencing, labeling, and drawing skills.

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

Get swept up in this comprehensive worksheet about the awesome power of dust storms.

Experiment with renewable energy from the comfort of home by creating a pizza box solar oven!

Teach your child about an endangered species with this information page, all about the Forest Owlet. They can color as they read some interesting facts.

Does your learner ever wonder what makes the Earth dark at night and bright during the day?

Practice geology vocabulary with this challenging crossword puzzle.

Think toads and frogs are the same? Think again! Check out this breakdown of the differences between the two, complete with a quiz to check your new knowledge.