From the blue whale to the Tasmanian devil, our planet is full of fascinating animals. Find a few of the most interesting ones in this animal word search.

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

Children will connect their understanding of gases to real-world items as they circle all of the pictures showing gases.

Facts about ostrich include that they are the largest birds in the world and that they can't fly, but that's not all. Learn all about this amazing bird!

These are the largest tortoises in the world, yet they are only two inches long when they hatch! That's one of the facts you can learn from this worksheet.

Learn about spider tortoises, one of the world's tiniest tortoise species, with this handy worksheet. Can't go to the zoo? We bring the zoo to you!

Learn some new words and facts about precious minerals with this word-scramble and matching worksheet.

This page is all about building your kid's natural resources vocabulary words, along with research skills.

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

Did you know there are tiny owls? Learn all about the Elf Owl with this fun page, including a word scramble with words from the fun facts box.

This short nonfiction text will provide students with an opportunity to become more comfortable with identifying and defining academic vocabulary words—and they'll have fun learning all about the life cycle of a chicken in the process!

Microscopes bring biology to life, allowing us to explore the world's tiniest living things. Have your child create his own organism in the sample slide.

Practice describing different objects and substances in this colorful worksheet!

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

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

In this word scramble, children solve a riddle by identifying which things are made of plants and which are not.

Is orange juice a solid or liquid? What about a cookie? Practice classifying everyday objects in this first- and second-grade states of matter worksheet!

Kids draw examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

Dive into a coral reef ecosystem with this life science worksheet!