Let your child explore the vocabulary associated with Earth's landforms with this colorful word search.

Shed some light on the interactions between objects and light with this science worksheet for kindergarteners and first graders!

The rainforest is a vibrant, lush place teaming with life! Your little nature explorer can take an expedition to find the many hidden animals in this scene.

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.

Let your scientific skills shine as you decide which objects will let light pass through in this kindergarten and first-grade worksheet!

All the animals in this word search share one characteristic: none of them have bones! Can your child find the boneless critters hidden in the puzzle?

See if you can identify the objects that let light pass through them with this kindergarten and first-grade worksheet!

Grab your trusty flashlight and get ready for a scientific treasure hunt!

Practice describing, or classifying, different items by their properties in this inviting worksheet!

Determine whether items are hot or cold in this cut-and-paste activity for kindergarteners and first graders!

Practice describing different objects and substances in this colorful worksheet!

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

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

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

Use your powers of prediction to project the future movement of playground objects!

Analyze everyday objects and identify states of matter with this second- and third-grade science worksheet!

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

Challenge your child with a basic life science question, and she'll circle the objects that she thinks helps flowers grow.

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

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

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!

In this recycle worksheet, kids color the different recyclable objects, then match them up with their corresponding bin. Try our recycle worksheet on Earth Day.

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!

Can you explain why your blue shirt is blue? This worksheet is full of facts about light and how it reacts with objects to give us the perception of color.

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

Nature is all around us! But how much does your child know about our natural world? Test her knowledge with some nature fun-facts trivia.

It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.

Blast off deep into space with this science worksheet featuring the dwarf planet, Pluto.

If you know what each planet looks like, you'll have no trouble with this intergalactic crossword puzzle.

Test your little nature-lover's knowledge about our feathery friends. Can she figure out which bird fits each description?