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

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.

Does your little scientist know the different types of energy? Explore energy with this helpful info sheet!

Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

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

Did you know that light could bounce? Set up a light obstacle course with a few mirrors and watch light bounce around your room.

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

Children put their science vocabulary to the test with this engaging crossword puzzle!

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

Put your prediction proficiency to the test in this third-grade physical science worksheet!

Take a science-filled trip to an amusement park in this third- and fourth-grade worksheet!