Some people think alligators and crocodiles are the same, but there are some distinct differences. Check out this cool worksheet to learn what they are.

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

"The hip bone is connected to the...?" Sing the song perfectly with the help of this worksheet on the skeletal system!

Children get an introduction to plate tectonics in this geology worksheet.

Has your child learned about the life cycle of a frog in school? Test his understanding with this cute cut and paste worksheet.

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

Challenge your first grader to put these plant life cycle stages in the correct order with this fun beginning biology sheet.

This two-page physical science worksheet gives middle school students an opportunity to explore and compare characteristics of waves.

Test your child's knowledge of plant life--more specifically, trees--with this colorful, cut-and-paste tree chart.

Here is a fresh and fruity way to learn a bit of life science. Sit down with your little one and teach them all the different parts of an apple!

Identify the appearance of the moon during its three main phases which include the New Moon, Quarter Moon, and Full Moon.

This worksheet will help teach your kindergartner the basics of botany, by asking them to look at the pictures and then decide what a plant needs to grow tall.

If Dorothy had lived a little further south, she might have been swept away to Oz by a hurricane.

This fun cut and paste sheet teaches kids about the process an apple tree goes through as it grows.

What is geothermal energy? Find out how we use parts of the Earth to provide us with renewable energy!

As your kindergarten kid learns the five senses, use this worksheet to help her associate new words with different tastes.

In this North American animal tracks worksheet, students hone their observation skills by matching tracks to animals.

This page is all about building your kid's natural resources vocabulary words, along with research skills.

Children hone their observation skills by matching the tracks to their corresponding water animal in this 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!

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

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

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

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!

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!