Glass is everywhere, but have you ever wondered where it all came from? It doesn't grow anywhere -- we have to make it!

Here is a brief introduction to The Great Pacific Garbage Patch for kids!

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

This worksheet will quiz your child on the different fields of study in science. What's the difference between a zoologist and a geologist? Find out here!

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

Engage your little scientist with a fun word search, all about sinking and floating! He'll be learning a basic concept of physical science.

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

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

Change up your regular classwork with this hands-on science worksheet!

Sometimes measuring liquids scientifically is tricky. Give your budding scientist some practice, by reading measurements on graduated cylinder illustrations.

Budding scientists will learn about the density of salt water and perform an experiment with food coloring, salt water, and fresh water.

This worksheet teaches your student about physical change vs chemical change, matter, mass, and property. An exciting experiment reinforces the concepts.

What is the water cycle? We're glad you asked! Learn about this amazing natural system that's been working for billions of years.

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

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.

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

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

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

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.

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

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

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

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

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

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

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

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.

Alfred Nobel, though he held over 300 patents in his lifetime, is most famous for inventing dynamite.

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

A lot of common objects use electromagnets to work. This word search will get your child thinking about all the electrical and mechanical devices around her!