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

Use this engaging worksheet to introduce students to the geologic time scale and the pieces of evidence scientists use to determine Earth’s history!

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

Young botanists test their plant know-how with this quiz.

Fifth-grade learners will look at a diagram of a cell, then follow the instructions to label its parts by color.

Learn about the stages of mitosis with this helpful biology handout!

Introduce students to the ecological benefits of terracing with this middle grades science worksheet!

Fourth and fifth graders will cut out and assemble a human skeleton from paper in this engaging life sciences printable.

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

Explore how traits are influenced by both genetic and environmental factors with this life science worksheet!

Kids learn important plant and animal cell vocabulary as they plug the words into their correct spots and complete the puzzle.

"The hip bone is connected to the...?" Sing the song perfectly with the help of this worksheet on the skeletal system!

Learn how sensory information is processed by the somatic and autonomic nervous systems with this engaging science worksheet! 

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

Cells are the building blocks of all living things! Help your little scientist learn the basics of a cell with this fun activity.

Students hone their understanding of the similarities and differences between animal cells and plant cells in this middle grades life science worksheet!

Students learn about population dynamics through the context of fox and rabbit populations in a forest ecosystem.

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

Students compare structures in the bodies of different organisms in order to draw conclusions about evolutionary relationships in this life science worksheet!

Students read about genetic mutations in order to understand how mutations affect organisms in this engaging life science worksheet!

Use this heart anatomy sheet to learn all about your heart and how it works.

Students learn about the relationship between the structure and function of cell walls and cell membranes in this engaging life science worksheet!

Use this Inside-Out Anatomy worksheet to learn about the digestive system.

Show what you know about the cell cycle with this mitosis matching worksheet!

There's a lot happening beneath the waves, including the ocean food web. Take a closer look with this colorful printable.

Dive deep into your body's circulatory system with this worksheet on blood and what it's made of.

Which comes first, genus or phylum? To complete this life science crossword, kids need to put the 9 levels of biological classification in the correct order.

Budding botanists can master the different parts of a seed with this helpful diagram!

Explore the difference between asexual and sexual reproduction in organisms with this middle school science worksheet!

Learn more about the mysterious brain and how it works with this brain anatomy worksheet.