Humans have 32 teeth, including wisdom teeth, and this diagram has the names of all the other 28.

Children learn about the food cycle in a rain forest as they color in a scene of snakes, butterflies, leopards, and other forest-dwelling creatures.

Dinosaurs and other creatures don't exist anymore! Learn the names of some extinct animals, and look for them in this fun wordsearch puzzle.

Learn more about two kinds of aquatic biomesÃfreshwater and saltwater biomesÃand how you can tell them apart.

Do you know which animal has two humps? Your child will use clues to determine what animal name fits in the crossword puzzle with this worksheet.

Try this worksheet diagramming a snail anatomy. It takes a snail over two minutes to travel 12 inches, but your 5th grader can finish this worksheet in no time.

With this enlightening worksheet, kids will get a glimpse into how our brains' different parts function in surprising ways.

Kids will cut out the various functions listed at the bottom of this kidneys and intestines worksheet and match them to the correct organ.

Color in this Awesome Anatomy page on the respiratory system and learn about how we breathe!

Sit down for a fun science lesson with Steve the savvy scientist as he teaches you all about dominant and recessive genes!

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

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

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

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

This bright and colorful worksheet helps your child bring the technical terms of the bones in his legs down to size.

Teach your fifth grader about this important bony structure with a fill-in-the-blank skull diagram.

This worksheet gives your fifth grader some skeleton know-how, as she fills in the diagram with the bones from the wrist to the fingertips.

Explore humans’ inherited traits with this fun science worksheet!

Have you considered why elephants have trunks, or why polar bears have thick fur? Reflect on animal adaptations with this fourth-grade worksheet!

Budding biologists can learn all about human digestion with this information page, complete with a diagram of the digestive system.

Flex your mind muscles with a body science worksheet! Your child will learn the fundamentals of what makes up our muscles.

What happens to our food after we swallow it? Chomp on some body science with this diagram of the digestive system.

Dig into a food web in this engaging worksheet!

Learn the ins and outs of one of the body's most important organs: the heart!

Discover the details of desert plant life in this informative worksheet!

Have fun learning about food chains in this charming science worksheet!