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

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

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

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

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

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

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.

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

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.

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

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

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

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

Children hone their powers of observation using this worksheet template.

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

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

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

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

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

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

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

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

This experiment requires only lemon juice, salt, sugar and grapefruit. Your budding scientist can get a great introduction to science by testing her own tongue!

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

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

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

Challenge your child's knowledge of astronomy with this space-themed worksheet, which focuses on the timing of cosmic events.

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

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

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.