How do the Sun and the Moon interact with the Earth, and how do all three depend on one another? Find out in this science worksheet.

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

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

Learn more about the animals in the swamp food chain, and find out how each living thing in a swamp ecosystem needs another to survive.

Get to know some of the friendly, furry, feathery river wildlife that live near American rivers, then match each one to its home.

In which habitat could you find an arctic fox, a polar bear, and a snowy owl? Have your kid find tundra animals with this word search worksheet.

This worksheet featuring food and natural resources touches on the subject of food chains.

Use this fun frog worksheet to practice place value and expanding numbers.

Learn more about the mysterious brain and how it works with this brain anatomy worksheet.

Learn all about cells, the tiny pieces that make up our body, in this color-in diagram.

This helpful worksheet lays out all the qualifications for planethood. A great way to start studying outer space science!

Did you know that invertebrates don't have backbones? Find out some different types of invertebrates with the clues in this crossword puzzle.

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!

Life on Earth is vast and varied, from high in the sky to the bottom of the sea. Learn more about what lives on Earth with this reading and quiz worksheet.

If Dorothy had lived a little further south, she might have been swept away to Oz by a hurricane.

Kids find desert animals in this science word search. Animal habitat worksheets help students learn about life forms in different environments.

Use the clues in this crossword puzzle to fill in the blanks with different types of snake names. Learn interesting facts about snakes as you go!

Pigs, cows, and ducks, oh my! The clues in this animal crossword puzzle worksheet will help you remember what animals there are on a farm.

Dive into the deep, vast world of ocean science with this introductory sheet on the world's different oceans.

With this diagram, kids can find out more about oil, one of our most widely-used natural resources, and learn a little more about where it comes from.

Use clues to fill in the boxes in this crossword puzzle, and learn more about freshwater fish along the way.

Learn the science of volcanic eruption with this cutaway diagram

Children match animals to their ecosystems in this life sciences worksheet.

Learn about the many different biomes the Earth is home to in this life science worksheet, which holds the answers to some simple life science questions.

Learn about the integumentary system, which is really just a fancy phrase for "skin", in this worksheet.

There are a lot of structures that make up a new plant, called a seedling. Your child will learn what they're called with this life science word search.

What is the Earth? Here is a reading passage and a word search to help your kid get acquainted with Earth science.

Children get an introduction to plate tectonics in this geology worksheet.

This Awesome Anatomy coloring page focuses on the heart and all the different parts of it.

This Awesome Anatomy coloring page is all about the human eye, and makes a handy study tool as well!