Renewable energy is extremely important for the Earth's future! Test your child's knowledge of renewable resources with this review sheet.

Increase your child's vocabulary and knowledge of the scientific world around him with a single sheet!

I spy with my little eye... six simple machines! Here's a fun way to help your child review the simple machines.

What's the difference between renewable and non-renewable energy? Help your student discover the various forms of energy we use each day.

Have you ever wondered why manhole covers are round? It's a good thing to know -- big companies sometimes ask that question in interviews.

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.

Have you ever wondered why water in a drinking glass looks clear while water in the ocean looks blue? Find out why with this fun worksheet!

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

Learn all about light refraction by simply placing your pencil in a glass of water. Warning: your pencil may not be quiet the same afterward.

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

Guglielmo Marconi was a man who made waves in radio and sound. Learn about his life and work, then answer a short essay question in this science worksheet.

Did you know that an elevator is actually one of the six simple machines? Help your child understand how the pulley works.

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

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