Learn about the features of plant and animal cells in this compare-and-contrast worksheet!

Students use a food web to identify the roles of organisms in an ecosystem and draw conclusions about the cycling of matter and flow of energy.

Discover how animal behaviors increase the probability of successful reproduction and offspring survival with this middle school science worksheet!

Explore how the fossil record is used to study the evolution of organisms in this engaging science worksheet for middle grades!

Students explore the mechanics of the respiratory system in this life science worksheet for middle school.