These Valentine's Day cards will be the oddest and most unique cards your sweetie ever got!

Discover the connections between the sun, plants, and animals in this fifth-grade worksheet all about photosynthesis!

What has two legs and carries its baby in a pouch? Fill in this crossword puzzle and learn some fun facts about two-legged creatures!

Help your child practice her spelling and vocabulary with this fun worksheet! Discuss with your child what it means to be cold-blooded.

What do living things need to survive? Have your little helper assist Penny in giving her puppy and plant water and energy to help them grow!

Use your knowledge of sea creatures to fill out this crossword puzzle.

Have you ever wondered why giraffes have long necks or why lions have sharp teeth? Find the answers in this third- and fourth-grade worksheet about adaptations!

Discover the animals and plants of the past in this fossil-focused worksheet!

Read about one of Yellowstone National Park's coolest animals, the big horn sheep.

Expand your sea creature vocabulary with this Life in the Reef worksheet!

Meet the inhabitants of the arctic tundra with these delightful printable, which features a cast of caribou, arctic fox, arctic hare, and ermine finger puppets.

This cute worksheet prompts your first grader to find out what characteristics are shared by amphibians, and then circle the animals that fit that category.

Celebrate dolphins, one of the most intelligent animals in the world, with a fun dot to dot coloring page.

Does your first grader want to know more about mammals? This worksheet gives her a chance to do some research to decide which animals fit into that category.

There aren't many blue animals out there, but here's one that will be fun to color: the blue dart frog. Its bright color warns predators that it is poisonous.

Practice your child's science skills with this fun worksheet, which will help your child determine which animals have feathers, and which have fins.

Help your child learn about facts and opinions. Kids will read statements about animals before determining whether each statement is a fact or opinion.

Ecosystems are an important part of fourth grade science. This fun printable will help your child with her knowledge of plants and animals.

Clock, octopus, starfish, turtle: Which thing does not belong in this group? Kids completing this preschool worksheet identify the object that does not belong.

Which of these animals are reptiles: turtle, cobra, or jellyfish? Your first grader will ponder this question and more, when it comes to this cute worksheet.

Which of these animals does not belong? Explore the plants and animals of the desert, and choose which ones are in their right habitat.

Which of these animals do not belong? Explore the plants and animals of the rainforest, and choose which ones are in their right habitat.

Expose your 1st grader to the animals of Australia in a fun way: coloring! Start with one of the cutest, most beloved animals Down Under, the koala.