Wedge your way into physics fun! You and your child can learn a bit about one of the six simple machines with this worksheet all about the wedge.

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

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.

Budding inventors can get a fun review of the simple machines with this word search.

Budding scientists can learn about an important physical science concept with this worksheet all about density!

How many machines can you find around the house? You may find them where you least expect it!

Crank out a better understanding of simple machines with this worksheet all about the wheel and axle!

Teach your kids all about the second planet from the Sun with this simple science sheet.

Help your little learner understand the concept of buoyancy with this fun worksheet. He'll decide which items will keep this frog afloat!

This reading comprehension worksheet focuses on Brazil's incredible natural resources, targeting both Earth science and language arts.

Children label the eight planets of our Solar System in this simple astronomy worksheet.

Introduce your budding scientist to chemical reactions with this simple and fun science experiment!

Teach your child about the layout of the Solar System with this simple worksheet, featuring the planet Neptune.

Your nature lover can learn the basics of drawing a tree with this simple step-by-step guide.

Kids follow corn as it grows from seed to vegetable on this simple cut-and-paste growth chart.

Through a simple matching activity, kids learn how their actions can have a direct effect on the environment.

For all you aspiring astronauts, here is a worksheet for learning the constellations! Learn all about the constellation Gemini with this sheet.

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

This worksheet is all about the U.S. space mission of Friendship 7, and will help kids with reading comprehension and U.S. history knowledge all at once.

Meet the master of compound machines: Rube Goldberg! His wacky contraptions put a whole new spin on the use of simple machines.

Facts about ostrich include that they are the largest birds in the world and that they can't fly, but that's not all. Learn all about this amazing bird!

You have a lot in common with all the other humans on this planet. You all have noses and arms and fingernails, but what makes you different?

Light travels so quickly that sometimes we can forget it even travels at all. Learn all about the direction light travels and perform your own experiment!

When we get embarrassed or anxious, and all of a sudden our cheeks get red! Why does our body do this? Find out what scientists think blushing is all about.

Dig into the past with this third-grade worksheet all about fossils!

Start from water cycle precipitation from clouds and match parts of the cycle to this clear colorful image of a simple water cycle, using the helpful paragraph.

This worksheet teaches all about the planet Saturn and its placement in the Solar System.

The earth is always changing and moving.Learn all about weathering and erosion with this worksheet.