What has two legs and carries its baby in a pouch? Fill in this crossword puzzle and learn some fun facts about two-legged creatures!

Investigate the mystery of why two tomato plants developed so differently!

Dive into the electrifying concept of electrical energy in this colorful worksheet!

Practice classifying different animals in this engaging life science worksheet, created for second and third graders!

Students practice classifying items as liquids or solids for a lesson on the states of matter in this fourth grade physical science worksheet.

Lots of people like turtles, but how much do you really know about them? Get to know one of many types of turtles with this informational worksheet.

Who will win the marble race in this two-page physical science worksheet?

Use this cool 2-page worksheet to make your own big dipper clock!

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

Explore the strength of magnetic forces with this worksheet for third and fourth graders!

In this worksheet, children practice identifying animals of North America by their tracks.

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

This short nonfiction text will provide students with an opportunity to become more comfortable with identifying and defining academic vocabulary words—and they'll have fun learning all about the life cycle of a chicken in the process!

Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

Cave formations come in all kinds of shapes and sizes; get the scoop on common cave formations with this two page printout with a maze and vocabulary.

Uncover secrets of the past with this third-grade worksheet about fossils!

These are the largest tortoises in the world, yet they are only two inches long when they hatch! That's one of the facts you can learn from this worksheet.

Think toads and frogs are the same? Think again! Check out this breakdown of the differences between the two, complete with a quiz to check your new knowledge.

Does your learner ever wonder what makes the Earth dark at night and bright during the day?

Be a busy bee as you learn all about the different jobs honey bees have in their hives!

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.

Introduce your flashlight to mirrors. Mirrors are cool surfaces that reflect light just as well as they reflect your face.

This reading comprehension worksheet focuses on Brazil's incredible natural resources, targeting both Earth science and language arts.

Children learn about the food cycle in a rain forest as they color in a scene of snakes, butterflies, leopards, and other forest-dwelling creatures.

Learn the importance of natural adaptations with this inquisitive activity!