Children put their science vocabulary to the test with this engaging crossword puzzle!

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

Get to know Earth's star with with this diagram and vocabulary worksheet!

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

Do you know the functions of the primary organs in the human body? Put your knowledge to the test with this fourth- and fifth-grade crossword!

Identify what is needed for plant survival with this colorful life science worksheet!

Encourage your little environmentalist to learn about composting! Children will boost their reading skills as they learn what compost is and how it helps the environment.

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

Explore magnetism with this colorful science worksheet for third and fourth graders!

Discover examples of weathering, erosion, and deposition with this fourth-grade worksheet!

Identify examples of pushes and pulls with this cut-and-paste worksheet for kindergarteners and first graders!

Discover the difference between comets and asteroids in this stellar earth and space science worksheet!

Studying the human body? Get to know your body inside and out with this muscle diagram.

Can you figure out how the Triceratops got his name? Study this Triceratops fact sheet and see if you can guess.

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

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

Learn how energy changes forms with this fourth- and fifth-grade physical science worksheet!

What do juice, water, and tea have in common? Compare and contrast matter in this engaging second-grade worksheet!

Study the night sky with this hands-on science worksheet for third and fourth graders!

Is air a natural resource? You bet! Air as a resource carries oxygen, which we need. Read and write about ways air quality can be affected.

Let your 1st grader become a mad scientist in this fun science board game, and encourage her to become a lover of the interesting subject.

Learn about the Uinta ground squirrels of Yellowstone National Park.

Ocean resources are an incredible part of how we live our lives; read and write about them with this worksheet.

This worksheet featuring food and natural resources touches on the subject of food chains.

Expand your sea creature vocabulary with this Life in the Reef 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!

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.