3rd and 4th Grade Life Science Worksheets

Introduce children to photosynthesis with this fill-in-the-blanks life sciences worksheet!

Learn about the amphibians and reptiles of Yellowstone National Park.

Learn about the black bears of Yellowstone National Park.

Wolves are an animal with a bit of rough past in Yellowstone National Park. Learn all about them!

Learn about the great horned owl of Yellowstone National Park, a bird so big and mean that it has the nickname, "tiger owl."

Learn about the grizzly bears that live in Yellowstone National Park.

Read about the small population of huge moose in Yellowstone National Park.

Learn all about Alexander Fleming, the man who invented penicillin and the happy accident that brought him to it.

Little gardeners, get to know your plants! See the cycle of a plant from its birth to adulthood, and read a bit about photosynthesis too.

Learners will discover a simple overview of the human muscle system in this introductory worksheet.

Children match animals to their ecosystems in this life sciences worksheet.

Get familiar with this food chain pyramid, from carnivores and herbivores to producers and decomposers; each group has a role.

What's your favorite animal? Kids love answering that question, and with this animal research graphic organizer, they can write all about it.

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

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

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

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

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

Meet the red wolf, an endangered species of animal that was once very common, but in the past 50 year nearly became extinct!

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

Some people think alligators and crocodiles are the same, but there are some distinct differences. Check out this cool worksheet to learn what they are.

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

In which habitat could you find a blue whale, a squid, and a shark? The ocean, obviously! Have your kid find ocean animals with this word search worksheet.

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

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

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

There are many endangered species all around the world. Read about the Amur leopard and why it's endangered with this information page.

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

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.

For your budding environmentalist, here is an information sheet on a well-known endangered species, the Komodo dragon!