These math cards are printable quiz cards to challenge your first grader's overall knowledge.

In this science vocabulary worksheet, kids will look at the labeled diagram of the monarch butterfly and then use what they have learned to finish the sentences.

Label the parts of a tree with this simple science worksheet!

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

All living things are made up of many different parts to help them function! Can you name and draw all the parts of a plant?

Teach your curious first grader the names of all his different teeth with this informative worksheet!

Facts about ostrich include that they are the largest birds in the world and that they can't fly, but that's not all. Learn all about this amazing bird!

You have a lot in common with all the other humans on this planet. You all have noses and arms and fingernails, but what makes you different?

Learn all about the Mountain Bluebird, Idaho's state bird.

Find out what wind is all about in this intro to earth science worksheet.

Learn all about Delaware's state bird, the Blue Hen Chicken.

This coloring page is all about Georgia state bird, the Brown Thrasher.

Analyze an axolotl with this kindergarten and first-grade worksheet!

Learn all about official Maine state bird, the chickadee, with this coloring page.

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!

First graders can learn all about the sun by reading the facts then using what they've learned to label each layer of the sun.

Find out all about snow in this worksheet -- what it is, where it comes from and what it looks like.

The earth is always changing and moving.Learn all about weathering and erosion with this worksheet.

Learn all about Vermont's state bird, the Hermit Thrush with this state bird coloring page.

Learn all about precipitation and the role it plays on the planet in this weather science worksheet.

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

Observe the life cycle of an oriole with this second- and third-grade worksheet!

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

This worksheet asks your kindergartener to circle all the articles of clothing that are best for warm weather.

This worksheet asks your kindergartener to circle all the articles of clothing that are best for cold weather.

How do you make recycled paper? Learn all about the recycling paper process on this informative worksheet.

Colorado's state bird is the Lark Bunting, and you can learn all about it with this coloring page.

Get all the Tasmanian devil facts on this worksheet, from what they eat to how they got their name.

Learn all about the cumulonimbus cloud, more commonly known by a much more fearsome name: the thundercloud!

Dive into habitat studies with this second- and third-grade worksheet!