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

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

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

Introduce the basic concepts of sinking and floating with this fun worksheet. Your little one will decide which objects sink, and which ones float!

If a ship went down, would these items sink or float? Your little one will decide, with this fun worksheet to help him hone sorting and categorizing skills.

Introduce the basic concepts of sinking and floating with this fun worksheet. Your budding scientist will decide if these objects sink or float!

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

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.

This worksheet uses a paper bird to demonstrate center of gravity, and practices following directions and fine motor skills.

Help your child's curiosity blast off by introducing them to some basic chemistry with this simple rocket demonstration.

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!

For each item on this first grade science worksheet, kids match a piece of clothing with the thermometer showing a temperature for wearing the item of clothing.

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.

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.

Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?