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.

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.

Children work on pattern-spotting and observation skills as they determine which of these six type of creatures is a bird.

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.

The periodic table of the elements is an important classification system of the most basic particles that make up our world!

There are so many ways to get around these days, whether by air, water, or land. Can your child give each vehicle the correct classification?

A fun intro to geometry, this first grade math worksheet will help your child practice shape recognition and classification.

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!

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.

Challenge your third grader to identify acute, right, and obtuse angles with this geometry worksheet.

Classify the animals in this life sciences matching worksheet!

Are chickens mammals, fish, or birds? Sort animals by their traits in this informative life science worksheet!

Describe how things feel when you touch them and push on them!

Explore sentence structure with this first- and second-grade subject and predicate sorting worksheet!