Australian birds feature some unique, striking groupings of bright color, and the sulphur-crested cockatoo may put them all to shame.

Have you ever heard of a bird building a structure of sticks and leaves in order to attract mates? You have now.

Looking for a worksheet that will give your kid help with his life-science skills? This printable will challenge his knowledge of birds.

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?

Did you know that 763 Earths could fit inside Saturn? Learn more fun facts about Saturn on this fun science printable.

Discover the phases of the moon with this third- and fourth-grade space science worksheet!

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

Discover how plants survive in the desert with this third-grade habitat worksheet!

Discover different types of energy with this third- and fourth-grade science worksheet!

Illustrate each season with this engaging first- and second-grade weather worksheet!

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!

Practice identifying living and nonliving things with this first- and second-grade science worksheet!

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

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!

Get to know the basic parts of a plant with this first- and second-grade life science worksheet!

Why do some desert animals have large ears? Why do others have scales? Learn the answers to these questions and more with this life science worksheet!

Search for natural resources with this fun worksheet for second and third graders!

Learn to read a standard thermometer in both Fahrenheit and Celsius in this informative second- and third-grade worksheet! 

Search for natural resources at the beach in this engaging worksheet for second and third graders!

Match forms of energy to common examples in this third- and fourth-grade science worksheet!

Try to find natural resources in this camping-themed worksheet for second and third graders!

Look for natural resources around a farm in this engaging worksheet for second and third graders!

Connect forms of energy to real-life scenarios in this third- and fourth-grade worksheet!

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

Have you ever wondered why giraffes have long necks or why lions have sharp teeth? Find the answers in this third- and fourth-grade worksheet about adaptations!

Help third and fourth graders become rock stars with this informative geology worksheet!

Earth has many different land and water features—can you recognize them? Test your knowledge with this crossword puzzle for third and fourth graders!

Can you tell if it is sunny, windy, or cloudy outside? Learn about different types of weather in this worksheet for kindergarteners and first graders!

Did you know the surface of the Earth is always changing? Learn about the events that change Earth's surface with this crossword puzzle for second and third graders!