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

Explore everyday forces with this first- and second-grade science worksheet!

Looking for a worksheet to challenge your child's knowledge of science? This printable asks him to identify a solid, liquid and gas.

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

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.

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.

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

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

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.

When we push or pull an object, we exert force on it. Get your child thinking about force by challenging him to describe how each person is exerting force.

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

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

Can your child tell what will be attracted by a magnet? Challenge him to think about why magnets attract certain objects.

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

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.

Find out how colors work with an intro to the color spectrum. Kids will investigate the seven colors of the rainbow and do a color wheel experiment.

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

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

Little scientists can learn about a fundamental concept of physical science with this worksheet all about density!

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

Magnets are fun to play with, but how do they actually work? Have your child circle the objects he thinks the magnet will attract.

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

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

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.

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

Searching for a way to help you kid practice their geography knowledge? This printable is a great way to learn the countries in North America.

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