Have you considered why elephants have trunks, or why polar bears have thick fur? Reflect on animal adaptations with this fourth-grade worksheet!

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.

There are many endangered species all around the world. Read about the Amur leopard and why it's endangered with this information page.

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

There are many animals around the world whose lives or homes are threatened. Read about an endangered species from Africa with this info-sheet

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.

Dragonflies are some of the oddest looking insects in the world, so it's appropriate that they have so many unique characteristics. Read all about them!

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.

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.

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

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.

Searching for a worksheet to help your fourth grader with science? This printable will help him practice astronomy vocabulary.

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

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

Budding biologists can learn all about human digestion with this information page, complete with a diagram of the digestive system.

Get swept up in this comprehensive worksheet about the awesome power of dust storms.

Where do flower babies come from? Find the answers in this word search about plant reproduction!

Learn all about the science of the movies and the basic concepts behind how they work.

Introduce your child to a fascinating new animal, the Baird's tapir. This is just one of many endangered species around the world.

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.

Learn the ins and outs of one of the body's most important organs: the heart!

Take a plunge under the surface of the earth! With this worksheet as your guide, you may explore the geological processes of our planet.

Review energy terminology with this fun fourth-grade crossword puzzle!

Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

Roses are red, violets are blue, I know the parts of a flower, how about you? Learn about flower anatomy with this worksheet.

Calling all mad scientists... Electrify your enthusiasm for science! This awesome worksheet will show you step-by-step how to make an electromagnet.

Do you know the functions of the primary organs in the human body? Put your knowledge to the test with this fourth- and fifth-grade crossword!

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

Learners will discover a simple overview of the human muscle system in this introductory worksheet.

Get to know the Apollo 11 space mission in this science and history worksheet!