Use this fossils worksheet to help a child learn about life on earth. Your child will learn about evolution and extinction, and also form a hypothesis.

Fact: This worksheet is about unusual animals from all over the world. Opinion: This is the best fact and opinion worksheet ever!

Help your child learn about facts and opinions in this animal-themed worksheet! Students will read sentences and decide whether they express facts or opinions.

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

Learn all about the cumulonimbus cloud, more commonly known by a much more fearsome name: the thundercloud!

Children will learn important facts about food chains in these worksheets.

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.

Learn more about two kinds of aquatic biomesÃfreshwater and saltwater biomesÃand how you can tell them apart.

Find out more about what REALLY dwells in swamp ecosystems with this worksheet all about swamps.

Learn more about what lives--and what thrives--in marshes with this fill-in-the-blank worksheet on marsh ecosystems.

Learn more about a tide pool habitat with this life science worksheet for second and third graders!

This packet of worksheets introduces children to food webs, an important life science concept.

Do you know why Mars is called the Red Planet? Find out that and more on this planet printable.

Did you know that 763 Earths could fit inside Saturn? Learn more fun facts about Saturn on this fun science printable.

These worksheets help kids understand food webs, an important part of the life science curriculum in fourth grade.

These "Dig It!" worksheets not only teach about life on earth, they teach the scientific method as well.

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

These clever birds harden and disguise themselves as tree branches when threatened. Learn more and do some coloring with this worksheet.

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

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

Without reflective surfaces, this biker would have a much more dangerous ride. Can you find all five reflective surfaces present in this scene?

Here's a great way to teach your kids more about our solar system. This worksheet focuses on the dwarf planet, Pluto.

Did you know chameleons can sleep upside-down? Learn more about chameleons with this fun worksheet, jam-packed with fun facts and activities!

Our silkworm facts help your little one understand more about these special invertebrates. He'll read about their life stages and answer some questions.

Whether you say buffalo or bison, it is still the largest land mammal in North America. Discover a bit more about this majestic animal.

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.

Encourage your child to take a nature walk, using the prompts on this worksheet to write and draw their observations of plants, animals, sounds, and more.

This is the story of our solar system. Learn about the life of Nicolaus Copurnicas and his great discovery. Learn more by answering the question at the bottom.

Learn about the "dwarf planet" in our solar neighborhood. There are more Pluto facts to learn, if you figure out the answer to the question on the page.

Get to know Earth's neighbor a bit more with this Mars coloring page! Your child can read a few fun facts about Mars as he colors.