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

Did you know people can live with just one kidney? Get a head start on human anatomy with this info sheet on kidneys.

Where is the liver located? Using the diagram as a reference, kids cut out the different parts of the liver from this worksheet and piece them together.

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

Learn about Yellowstone National Park's peregrine falcons, which survived heavy pesticide use in the 1960s.

The California condor has been brought back from the brink of extinction. This worksheet will help your little bird lover learn all about the condor.

Children discover and review the parts of a flower and what they do as they complete this botany-themed crossword puzzle.