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!

Have you considered why elephants have trunks, or why polar bears have thick fur? Reflect on animal adaptations with this fourth-grade worksheet!

Learn how seeds move with this second- and third-grade matching activity!

Ponder the pedigree of plants with this worksheet about inherited traits for upper elementary students!

Children get to know a few geology terms in this landform word search puzzle.

Learn about the human brain with this zombie-themed science worksheet!

Prepare your students for a fun and safe lab environment with the help of this laboratory safety contract!

Dr. McSquare needs help sorting out his lab reports. Can your child read each item, then label it with the correct scientific method step?

An animal cell is made up of many different organelles—color them all in this middle-grade worksheet! 

Explore how Earth’s surface can change in this investigative second-grade worksheet!

Put your prediction proficiency to the test in this third-grade physical science worksheet!

This mix-and-match lists examples of natural resources. Kids can connect the natural resource with the resulting product.

Dig up some earth science learning with this printable, and turn your next hike or beach excursion into a lesson in soil science!

Learn about some of the major U.S. watersheds in this fascinating science and geography worksheet!

Learn about food chains in this cut-and-paste worksheet for first graders!

In this science matching worksheet, children will test their solar system know-how by matching each celestial body to the correct fact.

Match each animal to its home in this first- and second-grade life science worksheet!

Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

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

Peel back the layers of the earth in this earth science worksheet. Can you name all of them?

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

What does a seal eat? Kids choose the pictures that show what kind of food each animal likes to eat in this first grade life science worksheet.

Learners will get to know the bald eagle, the national bird of the United States and an inhabitant of Yellowstone National Park.

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

Explore Newton's third law of motion with this engaging science worksheet!

Get a lesson in sports and science with this engaging third- and fourth-grade worksheet!

Space enthusiasts will love learning about Freedom 7, the first manned American space mission.

Ever wonder what the earth is made of? Help your little scientist to examine the different types of soil particles with this worksheet.

Learn all about your body's most important muscle: your heart! This simple diagram is a great way to introduce your little biologist to his heart.