Do you know the functions of the primary organs in the human body? Put your knowledge to the test with this fourth- and fifth-grade crossword!

Reunite a family and their long-lost dog with the help of DNA testing in this middle-grade worksheet!

How much does your preschooler know about the parts of a flower? This colorful worksheet tests her flower knowledge!

Spot the saboteur by testing DNA in this exciting middle-grade worksheet!

Invite your kindergartener to fill out this elephant chart--testing her knowledge of an elephant's parts.

This worksheet tests kids' understanding of basic heredity by asking them to match parent turtles with their offspring based on similar traits.

Fill in the blanks from the words listed in the word bank, then keep this sheet handy to prepare for tests and quizzes on life science and photosythesis.

How cool are chromosomes? Read what Steve the savvy scientist has to say about chromosomes and genes before testing your knowledge with some fill-in-the-blanks.

Learn about the badgers that live in Yellowstone National Park.

Read about the mule deer, the most abundant deer in Yellowstone National Park.

Does your budding biologist know his plant parts? Get a great review of some important plant vocabulary with this info page.

What is the purpose of a narwhal tusk? Explore some interesting new findings about the narwhal, also known as the unicorn whale.

Every living thing needs a home to survive! Many animals have unique and interesting ways of building their homes.

Jump-start your kid's excitement about kangaroos! Together, you can learn some cool kangaroo facts, like how kangaroos can jump up to 30 feet.

Dragonflies are some of the oddest looking insects in the world, so it's appropriate that they have so many unique characteristics. Read all about them!

Match up baby animals with their mommies and daddies! This memory game challenges kids to pair up babies with their grown-ups from a set of upside-down cards.

You have over 600 muscles in your body! Kids can try this muscle anatomy word search featuring 14 important muscles.

This friendly-looking penguin is cute enough to cuddle, but your kindergartener can start by filling out this chart of penguin parts.

Label the parts of a butterfly in this butterfly diagram worksheet!

Looking for a fun way to supplement your child's science learning? Try out a life science crossword puzzle! This one's all about ecosystems.