Science: Animal Worksheets

Worksheets for teaching students about vertebrates, invertebrates, and animal classifications. Feel free to print these worksheets and use them with your class.

Click on the the core icon Common Core below specified worksheets to see connections to the Common Core Standards Initiative.

Vertebrates & Invertebrates
Sort the vertebrate pictures into 5 groups - mammals, fish, birds, reptiles, and amphibians.
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Choose the correct vertebrate group for each description, match the animal with its vertebrate classification, and three short-answer questions.
2nd through 5th Grades
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Sort the animal pictures into two groups - vertebrates and invertebrates.
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Answer the question on this worksheet. Questions include: "Can a dolphin drown? Explain." and "Is a bat a mammal or a bird? Explain."
2nd through 5th Grades
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Scavenger Hunts
Do you know which species of snake is the smallest in the world? Can you name the world's only flying lizard species? Find out the answers to these questions, and many more when you play the classroom scavenger hunt game.
2nd through 4th Grades
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Do you know the only species of mammal that lays eggs? Do you know what the largest mammal in the world is? Find out all this and more with the classroom scavenger hunt game.
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Farmers love to have owls around. Do you know why? Which type of bird is the most common in the world? Search around the classroom to find the answers to these, and many more interesting bird facts.
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Do you know what the word 'amphibian' means in Greek? Do you know the difference between a frog and a toad? Learn lots of interesting facts about amphibians with this fun scavenger hunt.
2nd through 4th Grades
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Did you know that the whale shark is the largest living fish on Earth? And did you know female cichlids keep their eggs in their mouths to protect them. Learn these, and many other fish fast with this fun scavenger hunt!
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Animal Group
Word Searches
Students must figure out which animals from the list are mammals and which are not. Only the mammals are hidden in the word search puzzle.
2nd through 4th Grades
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Determine which animals are reptiles. Only the reptiles in the puzzle. Word list includes turtle, crocodile, python, and gecko.
2nd through 4th Grades
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Which words in the list are fish? Only the fish species, like pufferfish and sea horse, are hidden in the puzzle. Other words, like dolphin and whale, are not.
2nd through 4th Grades
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Many of the animals in the word list are birds, but some are not. Only the birds are hidden in the puzzle.
2nd through 4th Grades
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Foldables
Make an origami fortune teller (cootie catcher) to review vertebrate classifications. When they play, students will answer questions and classify animals as mammals, reptiles, amphibians, fish, and birds.
2nd through 4th Grades
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Articles
Find out how pattern camouflage, color camouflage, and mimicry can benefit predators and prey.
3rd through 5th Grades
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Find out why some animals hibernate, and how their bodies change while they sleep during the winter months.
3rd through 5th Grades
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Learn how and why animals migrate from one place to another.
3rd through 5th Grades
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Professor Al Ligator teaches kids about the five groups of vertebrates. Kids will learn all about mammals, reptiles, birds, amphibians, and fish.
3rd Grade
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Research Reports
Research any animal. Write about your animal's habitat and anatomy. List interesting facts about the animal. Answer the questions about your animal. Includes step-by-step instructions and a grading rubric.
2nd through 4th Grades
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Word-Maze Puzzles
Connect letters to spell the names of five different animal groups (mammals, amphibians , birds, reptiles, fish). The unused letters will tell you what the animal groups have in common.
2nd through 4th Grades
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Connect the letters in the lizard species names. Then write the unused letters in the blank to find an interesting fact about lizards.
2nd through 4th Grades
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Search for the wild cats in the puzzle. The letters that are not used will spell out a fascinating fact about cats.
2nd through 4th Grades
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After following the maze of raptor words, write the extra letters on the line to learn a cool fact about birds of prey.
2nd through 4th Grades
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First find the species of frogs, toads, and salamanders in the puzzle. Then reveal the fun fact by copying the extra letters on the blank lines.
2nd through 4th Grades
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Find your way through the maze by highlighting the letters in the names of the shark species.
2nd through 4th Grades
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See Also:
Animal Articles

Reading comprehension passages about different animal species.

Food Chain Worksheets

Learn about predator/prey, producers/consumers, and the food chain with these worksheets.

States of Matter Printables

Printable materials for teaching students about solids, liquids, and gases.

Scavenger Hunts

Students find fun fact cards hidden around the classroom. They use the fact cards to answer questions on a worksheet. Topics include animals, human body, space, weather, and more.