Discover the phases of the moon with this third- and fourth-grade space science worksheet!

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.

Analyze everyday objects and identify states of matter with this second- and third-grade science worksheet!

Explore the lush plant life of the tropical rainforest in this second- and third-grade worksheet!

Dip your toes into a marsh habitat in this second- and third-grade worksheet!

Get a lesson in sports and science with this engaging third- and fourth-grade worksheet!

Stroll through the flora of a temperate deciduous forest in this third-grade worksheet!

For kids learning geography or earth science, this is the perfect review sheet for drilling students on common geography terms and phrases.

Confused about continents? Get better acquainted with all the continents on earth with this word scramble.

Not your typical crossword, this puzzle will have your child learning to recognize the shapes of the continents. Great for map skills and vocabulary!

Get to know each of the Seven Summits, then organize their heights into a graph.

For your budding environmentalist, here is an information sheet on a well-known endangered species, the Komodo dragon!

Introduce your student to an endangered species, Przewalski's horse, with this information sheet. They can color the illustration as they read.

Help your child understand the importance of preserving the environment, with this info-sheet about an endangered species: the Iranian jerboa.

Help your child read this page about the Sumatran rhinoceros, where they can color an illustration as they learn about why this animal is endangered.

Teach your child the difference between potential and kinetic energy with this introductory worksheet.

Teach your child about an endangered species with this information page, all about the Forest Owlet. They can color as they read some interesting facts.

Get in tune with nature, and read a bit about an endangered species of animal, the Black-footed Ferret. Your child can color an illustration as he reads.

Meet the red wolf, an endangered species of animal that was once very common, but in the past 50 year nearly became extinct!

Get to know one of the most unique and colorful monkeys, the red-shanked douc langur. Read about why they are an endangered species with this info-sheet.

Where'd that shadow come from? Next time a scary shadow crosses your path, you'll know just what to look for.

Animal lovers, get acquainted with a very unique species, the okapi! Read this info-sheet to learn about why this animal is endangered.

Help your child understand why it's so important to take care of the environment with this info-sheet about an endangered species: the spectacled bear.

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

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

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

Learn how conductors and insulators affect the flow of electricity in this helpful fourth- and fifth-grade worksheet!

Explore grasslands and their fauna in this thought-provoking worksheet!

Search for natural resources at the beach in this engaging worksheet for second and third graders!