Test your third grader's biology knowledge with this worksheet, which challenges him to separate invertebrates from animals with a backbone.

Learn about the black bears of Yellowstone National Park.

Can you identify the difference between inherited and acquired traits?

Ever wonder what makes the leaves change colors in the fall? Find out with this fascinating life science worksheet.

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

Introduce children to photosynthesis with this fill-in-the-blanks life sciences worksheet!

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

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

In this animal-based life science worksheet, students will learn that animals inherit certain traits from their parents.