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

Don't let school year learning slip away this summer: use this chemistry worksheet to practice identifying elements.

Discover the science behind an ages-old 4th of July tradition with this firework diagram.

This Thanksgiving, serve up some Thanksgiving science learning and find out all about the chemicals that make up a typical Thanksgiving meal.

This science worksheet tells all about James Watt, the man that powered the Industrial Revolution.

What is geothermal energy? Find out how we use parts of the Earth to provide us with renewable energy!

Learn all about the science of the movies and the basic concepts behind how they work.

This worksheet uses a paper bird to demonstrate center of gravity, and practices following directions and fine motor skills.

This colorful worksheet builds an early chemistry foundation, giving middle school students practice with the periodic table of elements.

Boost your chemistry skills by filling in the missing information about the elements, using the included periodic table.

Use your powers of prediction to project the future movement of playground objects!

Hypothesis, observation, data...with so many terms, learning the scientific method can be tricky. Learn the steps by helping Dr. McSquare sort out his reports.

Learn all about charging by friction with this fascinating science worksheet for middle grades!

Dr. McSquare is here to help kids learn the scientific method. His reports are all in disarray--can your child sort label each part with the correct step?

Have you ever thought about playing basketball in space? This middle-grade science worksheet discusses how forces and Newton’s Laws of Motion affect a game, both on Earth and on the moon!