Did you know that Earth's oceans are split into three separate ecosystems? The tropical ocean ecosystem is home to tropical fish, coral reefs, and warm water!

Are cats trying to talk to us when they purr? Discover the meaning behind the purr in this worksheet that explores the three main types of cat purrs.

Look up into the night sky, and you may see three prominent stars side by side. This is Orion's belt, one of the most well known constellations!

How do the Sun and the Moon interact with the Earth, and how do all three depend on one another? Find out in this science worksheet.

Unearth fossils in this explorative third-grade worksheet!

Can you tell which types of weathering caused each of these changes in the earth? This activity is a great way to review the 3 main types of weathering.

Blue whale facts include that calves weigh up to three tons at birth and adults can be as heavy as 200 tons. Get other cool blue whale facts on this worksheet.

This list of elements is missing mega-information: a combination of category, name, number, or symbol. Can you fix them up?

Learn about lightning and charging by induction in this engaging middle-grade worksheet. 

With your experiment data and analysis in hand, it’s time to draw your conclusions!

Introduce students to the third step of the engineering design process with this helpful template!

Spot the saboteur by testing DNA in this exciting middle-grade worksheet!

Ecosystems are an important part of fourth grade science. This fun printable will help your child with her knowledge of plants and animals.

Hot or cold? Children practice classifying nine items by cutting them out and placing them in the correct box.

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

This bright and colorful worksheet helps your child bring the technical terms of the bones in his legs down to size.

For all you mad scientists, here is a helpful lab safety 101! You'll get to read a few basic rules, and then complete a word search.

Learn all about essential laboratory equipment with this hands-on worksheet for fourth and fifth graders!

Help your 2nd grader crack the code using triple digit addition and subtraction to find out what parts of camels can be used to make some tasty dishes.

Help third and fourth graders become rock stars with this informative geology worksheet!

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

Looking for a worksheet to help with your kid's matching skills? This printable is all about matching items with their names!

Explore the applications of electrical energy with this helpful second-grade worksheet!

Dive into the electrifying concept of electrical energy in this colorful worksheet!

What do a raven, a bat, and a wolf have in common? Similar skeletal structures! In this Halloween worksheet, middle-grade students will explore homologous structures in different animals. 

Match forms of energy to common examples in this third- and fourth-grade science worksheet!

Learn about the similarities and differences between objects in this colorful science worksheet!

Explore the strength of magnetic forces with this worksheet for third and fourth graders!

Explore the anatomy, physiology, and overall function of the sensory nervous system with this life science worksheet! 

Determine which magnets have the strongest force in this third- and fourth-grade worksheet!