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3rd and 4th Grade Life Science Worksheets

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

What Is Photosynthesis?

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

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

Paper Skeleton

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

How Muscles Work

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

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

Food Chain Pyramid

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?

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

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

Word Search Puzzle: Dinosaur Vocabulary

Which comes first, genus or phylum? To complete this life science crossword, kids need to put the 9 levels of biological classification in the correct order.

Life Science Crossword: Classifications

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

Life Science Crossword: Parts of a Flower

Learn the difference between behavioral and physical adaptations with this cut-and-paste worksheet for second and third graders!

Behavioral vs. Physical Adaptations

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

Plant Quiz

Children hone their powers of observation using this worksheet template.

Recording Observations: What Do You See?

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

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

Did you know that invertebrates don&#39;t have backbones? Find out some different types of invertebrates with the clues in this crossword puzzle.

Invertebrates Crossword Puzzle

A useful overview of terrestrial biomes, including a climate key.

Terrestrial Biome Cheat Sheet

Take a look and learn all about this beautiful and rare tiger from the islands of Sumatra in Indonesia.

Sumatran Tiger

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

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

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

Blood

Learn a little bit about green tree frogs (like that they sleep on the underside of leaves!) and then color in this scene of them at the zoo.

Green Tree Frogs

Children put their science vocabulary to the test with this engaging crossword puzzle!

 Science Experiment Vocabulary: Crossword

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