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

This Louis Pasteur biography goes over his accomplishments, and includes a bacteria-based science activity at the end!

If your child is fascinated by outer space, he'll love this solar system word search! While reviewing planet names, he'll ponder the mysteries of the universe.

Get to know some of the friendly, furry, feathery river wildlife that live near American rivers, then match each one to its home.

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

Learn how conductors and insulators affect the flow of electricity in this helpful fourth- and fifth-grade worksheet!

Explore grasslands and their fauna in this thought-provoking worksheet!

Can you identify the difference between inherited and acquired traits?

Blue whale facts include that calves weigh up to three tons at birth and adults can be as heavy as 200 tons. Get other cool blue whale facts on this worksheet.

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.

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

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

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

Explore the lush plant life of the tropical rainforest in this second- and third-grade worksheet!

Mix, boil, and toast your way to understanding energy transformations with this fourth-grade worksheet!

Dip your toes into a marsh habitat in this second- and third-grade worksheet!

Be a glow-getter with this energy transfer worksheet!

Discover how dolphins use sound to see in this fascinating worksheet!

Warm up your scientific thinking with this colorful worksheet!

Create the most effective solar cooker in this engaging energy-focused worksheet!

Puzzle your way to ecosystem understanding in this engaging activity!

Flex your engineering design muscles with this engaging STEM worksheet for upper elementary students!

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

Become a disaster detective in this fun science worksheet!

Create and observe your very own rainbow using light and water with this science experiment worksheet!

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

Stroll through the flora of a temperate deciduous forest in this third-grade worksheet!