Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

Introduce your flashlight to mirrors. Mirrors are cool surfaces that reflect light just as well as they reflect your face.

Introduce your child to a fascinating new animal, the Baird's tapir. This is just one of many endangered species around the world.

Where'd that shadow come from? Next time a scary shadow crosses your path, you'll know just what to look for.

It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.

A handy worksheet that breaks down the properties of metal. A good physical science review sheet to keep around for reference.

Learn about pearls, which seem like normal jewelry from a factory but are actually made from the mucus of mollusks!

Find out more about what REALLY dwells in swamp ecosystems with this worksheet all about swamps.

Dive deep into your body's circulatory system with this worksheet on blood and what it's made of.

Sink or float? Your kid may be surprised to learn that the density of coke and diet coke aren't the same!

Get to know some of the friendly, furry, feathery river wildlife that live near American rivers, then match each one to its home.

It's a paper parachute brigade! Learn how to build your own parachute, and learn how the parachute was invented over 500 years ago.

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.

Looking for a worksheet to help your child with science? This printable will help them with their biology vocabulary.