Children learn to identify the tracks of a pine marten, chipmunk, mountain lion, mountain goat, and grizzly bear in this matching worksheet.

Can you identify the difference between inherited and acquired traits?

Identify the life cycle of a butterfly with this hands-on worksheet for second and third graders!

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

Little biologists will use this respiratory system diagram to identify the most important parts of the human respiratory system and their functions.

Budding paleontologists will refer to a word bank to identify 10 dinosaur-related vocabulary words in this playful word search puzzle.

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

The next time you're on a hike, be sure to take this leaf chart to guide you in identifying different types of leaves!

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!

Help your child practice his science skills with this science worksheet, which will challenge his knowledge of reptiles and ask him to solve a puzzle!

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

Test your knowledge of prehistoric animals with this life sciences crossword puzzle!

Roses are red, violets are blue, I know the parts of a flower, how about you? Learn about flower anatomy with this 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!

Find out more about single-cell organisms with this coloring page and diagram.

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

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

Explore humans’ inherited traits with this fun science worksheet!

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

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

Take a peek into a temperate forest ecosystem with this food web worksheet for fourth and fifth graders!

Study ecosystem changes with this drought-focused worksheet for fourth and fifth graders!

Track the traits passed down from parent to offspring!