Is your fourth grader learning about electricity? This worksheet is all about circuits, tests her skills and reinforces the concept of how a circuit works!

Budding scientists can learn about an important physical science concept with this worksheet all about density!

How many teeth does an alligator have? Find out with this fun worksheet, dedicated to teaching you and your child all about alligators!

Are you afraid of spiders? Don't scream, this fun worksheet is jam-packed with interesting facts and activities, all about black widow spiders!

How much do you know about the U.S. national bird? Learn all about the bald eagle with this fun, informative worksheet!

How much do you know about man's best friend? This fun worksheet is jam-packed with fun facts about dogs!

Learn the science of volcanic eruption with this cutaway diagram

Nature is all around us! But how much does your child know about our natural world? Test her knowledge with some nature fun-facts trivia.

Let your kid's knowledge of leaf vocabulary climb as high as a tall, tall tree with this fun word search.

If you think volcanoes are cool, this worksheet will blow your mind! Learn about the rock cycle by reading the paragraph and taking a multiple choice quiz.

Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

Young botanists test their plant know-how with this quiz.

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.

Test your knowledge of prehistoric animals with this life sciences crossword puzzle!

Put your prediction proficiency to the test in this third-grade physical science worksheet!

Children put their science vocabulary to the test with this engaging crossword puzzle!

Does your child love dogs? Test his knowledge on the different breeds of dog with some trivia questions!

Test your knowledge of electrical energy with this third- and fourth-grade worksheet!

This reading comprehension worksheet focuses on Brazil's incredible natural resources, targeting both Earth science and language arts.

Does your little gardener know about compost? Test their knowledge of this sensationally smelly earth science process!

Guinea pigs are social animals that make great pets. Test your child's knowledge of these furry critters with this fun quiz.

Test your little nature-lover's knowledge about our feathery friends. Can she figure out which bird fits each description?

Let your coloring skills blossom with this flower anatomy worksheet. Make your own flower, color and put your vocabulary skills to the test!

Renewable energy is extremely important for the Earth's future! Test your child's knowledge of renewable resources with this review sheet.

Earth has many different land and water features—can you recognize them? Test your knowledge with this crossword puzzle for third and fourth graders!

Are you aware of how many endangered species there are in the world? Use this trivia sheet to test your knowledge of some beautiful but endangered animals.

Learn Jupiter facts in this worksheet. Your child can test his knowledge of the solar system by answering the trivia question at the bottom of the page.

Put your kid's observational skills to the test with this word search that will help her learn some of the animals that inhabit a rainforest.

Test your third grader's biology knowledge with this worksheet, which challenges him to separate invertebrates from animals with a backbone.

For all you aspiring astronauts, here is a worksheet for learning the constellations! Learn all about the constellation Gemini with this sheet.