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

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

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!

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.

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

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.

Learn about the similarities and differences between objects in this colorful science worksheet!

Learn about the texture and hardness of different objects in this second-grade worksheet!

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

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

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

In this worksheet, kids learn about friction by answering questions about the amount of friction in different situations.

Kids practice identifying solids for a lesson on the states of matter in this 1st grade physical science worksheet.

Kids practice identifying liquids for a lesson on the states of matter in this 1st grade physical science worksheet.

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

Kids draw examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

Children will connect their understanding of gases to real-world items as they circle all of the pictures showing gases.

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

Kids write down examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

Can melted wax turn back into solid wax? Can scrambled eggs turn back into raw eggs? Learn the answers to these questions and more with this second-grade worksheet about reversible and irreversible changes!

Is a feather liquid, soft, spotted, or heavy? Practice describing everyday objects, or matter, with this second-grade science worksheet!

What do a key, a goldfish, and a tortoise shell have in common? Find out with this second-grade science worksheet!

Practice describing different objects and substances in this colorful worksheet!

Teach your child how we measure temperature with these printable thermometers!

Is orange juice a solid or liquid? What about a cookie? Practice classifying everyday objects in this first- and second-grade states of matter worksheet!

What do juice, water, and tea have in common? Compare and contrast matter in this engaging second-grade worksheet!