There are some parts of our brains that are still too complicated for scientists to understand! Find out the basics of the brain's functions with this fun page.

This packet of worksheets introduces children to food webs, an important life science concept.

Help your child understand pollination with this informative worksheet, complete with a diagram.

Learn about the human brain with this zombie-themed science worksheet!

Use your knowledge of sea creatures to fill out this crossword puzzle.

How does blood flow through the heart? This worksheet prompts kids to map how blood is pumped through this sophisticated organ.

Children will learn important facts about food chains in these worksheets.

Get to know your genes with Steve the savvy scientist! Genes help determine everything from your hair color to your height.

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

Children will look at a model of the human arm and hand bones, then refer to a chart to label it correctly, in this anatomy worksheet.

Quiz your kid on the names of bones in his spine with this colorful worksheet.

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

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

Learn all about your body's most important muscle: your heart! This simple diagram is a great way to introduce your little biologist to his heart.

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