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3rd and 4th Grade Life Science Resources

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

What Is Photosynthesis?

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

Paper Skeleton

Learn about the amphibians and reptiles of Yellowstone National Park.

Amphibians and Reptiles

Learn about the black bears of Yellowstone National Park.

Black Bear

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

Wolf

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

Great Horned Owl

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

Moose

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

Grizzly Bear

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

Alexander Fleming

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

How Muscles Work

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

What is a Cell?

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.

Life Cycle of a Plant

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

Life Science Crossword: Plant and Animal Cells

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

Food Chain Pyramid

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

The Limewater Carbon Dioxide Test

The next time you're on a hike, be sure to take this leaf chart to guide you in identifying different types of leaves!

Leaf Types

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

Plant Quiz

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Roasted Pumpkin Seeds

What&#39;s your favorite animal? Kids love answering that question, and with this animal research graphic organizer, they can write all about it.

Animal Research Graphic Organizer

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

Anatomy of a Flower

Ever wonder what makes the leaves change colors in the fall? Find out with this fascinating life science worksheet.

Why Do Leaves Change Color?

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

Blood

Children hone their powers of observation using this worksheet template.

Recording Observations: What Do You See?

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.

Alligator vs. Crocodile

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

Parts of a Seed

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Pumpkin Investigation

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

Fossils and Extinct Animals Crossword Puzzle

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

What is Digestion?

This science fair project idea experiments with spinning color wheels and optical illusions.

A Trick for the Eyes: Color Wheels and Optical Illusion Tops

Use this science-themed resource with your students to practice recognizing the author’s point of view in a text about life cycles. Students will determine the author’s viewpoint on the subject as they establish their own points of view.

Point of View Practice: Life Cycle of a Frog

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